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Godeps: add sqlite3

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This commit is contained in:
Eric Chiang 2016-02-08 14:53:53 -08:00
parent cd72a1f69f
commit 8f16279f49
22 changed files with 157966 additions and 1 deletions
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7
Godeps/Godeps.json generated
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{
"ImportPath": "github.com/coreos/dex",
"GoVersion": "go1.4.2",
"GoVersion": "go1.5",
"Packages": [
"./..."
],
@ -91,6 +91,11 @@
"ImportPath": "github.com/mailgun/mailgun-go",
"Rev": "9578dc67692294bb7e2a6f4b15dd18c97af19440"
},
{
"ImportPath": "github.com/mattn/go-sqlite3",
"Comment": "v1.1.0-25-g2513631",
"Rev": "2513631704612107a1c8b1803fb8e6b3dda2230e"
},
{
"ImportPath": "github.com/mbanzon/simplehttp",
"Rev": "04c542e7ac706a25820090f274ea6a4f39a63326"

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Godeps/_workspace/src/github.com/mattn/go-sqlite3/.gitignore generated vendored Normal file
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*.db
*.exe
*.dll

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language: go
go:
- tip
before_install:
- go get github.com/axw/gocov/gocov
- go get github.com/mattn/goveralls
- go get golang.org/x/tools/cmd/cover
script:
- $HOME/gopath/bin/goveralls -repotoken 3qJVUE0iQwqnCbmNcDsjYu1nh4J4KIFXx

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Godeps/_workspace/src/github.com/mattn/go-sqlite3/LICENSE generated vendored Normal file
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The MIT License (MIT)
Copyright (c) 2014 Yasuhiro Matsumoto
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

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go-sqlite3
==========
[![Build Status](https://travis-ci.org/mattn/go-sqlite3.png?branch=master)](https://travis-ci.org/mattn/go-sqlite3)
[![Coverage Status](https://coveralls.io/repos/mattn/go-sqlite3/badge.png?branch=master)](https://coveralls.io/r/mattn/go-sqlite3?branch=master)
Description
-----------
sqlite3 driver conforming to the built-in database/sql interface
Installation
------------
This package can be installed with the go get command:
go get github.com/mattn/go-sqlite3
_go-sqlite3_ is *cgo* package.
If you want to build your app using go-sqlite3, you need gcc.
However, if you install _go-sqlite3_ with `go install github.com/mattn/go-sqlite`, you don't need gcc to build your app anymore.
Documentation
-------------
API documentation can be found here: http://godoc.org/github.com/mattn/go-sqlite3
Examples can be found under the `./_example` directory
FAQ
---
* Want to build go-sqlite3 with libsqlite3 on my linux.
Use `go build --tags "libsqlite3 linux"`
* Want to build go-sqlite3 with icu extension.
Use `go build --tags "icu"`
* Can't build go-sqlite3 on windows 64bit.
> Probably, you are using go 1.0, go1.0 has a problem when it comes to compiling/linking on windows 64bit.
> See: https://github.com/mattn/go-sqlite3/issues/27
* Getting insert error while query is opened.
> You can pass some arguments into the connection string, for example, a URI.
> See: https://github.com/mattn/go-sqlite3/issues/39
* Do you want cross compiling? mingw on Linux or Mac?
> See: https://github.com/mattn/go-sqlite3/issues/106
> See also: http://www.limitlessfx.com/cross-compile-golang-app-for-windows-from-linux.html
* Want to get time.Time with current locale
Use `loc=auto` in SQLite3 filename schema like `file:foo.db?loc=auto`.
License
-------
MIT: http://mattn.mit-license.org/2012
sqlite3-binding.c, sqlite3-binding.h, sqlite3ext.h
The -binding suffix was added to avoid build failures under gccgo.
In this repository, those files are amalgamation code that copied from SQLite3. The license of those codes are depend on the license of SQLite3.
Author
------
Yasuhiro Matsumoto (a.k.a mattn)

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Godeps/_workspace/src/github.com/mattn/go-sqlite3/backup.go generated vendored Normal file
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// Copyright (C) 2014 Yasuhiro Matsumoto <mattn.jp@gmail.com>.
//
// Use of this source code is governed by an MIT-style
// license that can be found in the LICENSE file.
package sqlite3
/*
#include <sqlite3-binding.h>
#include <stdlib.h>
*/
import "C"
import (
"runtime"
"unsafe"
)
type SQLiteBackup struct {
b *C.sqlite3_backup
}
func (c *SQLiteConn) Backup(dest string, conn *SQLiteConn, src string) (*SQLiteBackup, error) {
destptr := C.CString(dest)
defer C.free(unsafe.Pointer(destptr))
srcptr := C.CString(src)
defer C.free(unsafe.Pointer(srcptr))
if b := C.sqlite3_backup_init(c.db, destptr, conn.db, srcptr); b != nil {
bb := &SQLiteBackup{b: b}
runtime.SetFinalizer(bb, (*SQLiteBackup).Finish)
return bb, nil
}
return nil, c.lastError()
}
// Backs up for one step. Calls the underlying `sqlite3_backup_step` function.
// This function returns a boolean indicating if the backup is done and
// an error signalling any other error. Done is returned if the underlying C
// function returns SQLITE_DONE (Code 101)
func (b *SQLiteBackup) Step(p int) (bool, error) {
ret := C.sqlite3_backup_step(b.b, C.int(p))
if ret == C.SQLITE_DONE {
return true, nil
} else if ret != 0 && ret != C.SQLITE_LOCKED && ret != C.SQLITE_BUSY {
return false, Error{Code: ErrNo(ret)}
}
return false, nil
}
func (b *SQLiteBackup) Remaining() int {
return int(C.sqlite3_backup_remaining(b.b))
}
func (b *SQLiteBackup) PageCount() int {
return int(C.sqlite3_backup_pagecount(b.b))
}
func (b *SQLiteBackup) Finish() error {
return b.Close()
}
func (b *SQLiteBackup) Close() error {
ret := C.sqlite3_backup_finish(b.b)
if ret != 0 {
return Error{Code: ErrNo(ret)}
}
b.b = nil
runtime.SetFinalizer(b, nil)
return nil
}

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// Copyright (C) 2014 Yasuhiro Matsumoto <mattn.jp@gmail.com>.
//
// Use of this source code is governed by an MIT-style
// license that can be found in the LICENSE file.
package sqlite3
// You can't export a Go function to C and have definitions in the C
// preamble in the same file, so we have to have callbackTrampoline in
// its own file. Because we need a separate file anyway, the support
// code for SQLite custom functions is in here.
/*
#include <sqlite3-binding.h>
#include <stdlib.h>
void _sqlite3_result_text(sqlite3_context* ctx, const char* s);
void _sqlite3_result_blob(sqlite3_context* ctx, const void* b, int l);
*/
import "C"
import (
"errors"
"fmt"
"math"
"reflect"
"unsafe"
)
//export callbackTrampoline
func callbackTrampoline(ctx *C.sqlite3_context, argc int, argv **C.sqlite3_value) {
args := (*[(math.MaxInt32 - 1) / unsafe.Sizeof((*C.sqlite3_value)(nil))]*C.sqlite3_value)(unsafe.Pointer(argv))[:argc:argc]
fi := (*functionInfo)(unsafe.Pointer(C.sqlite3_user_data(ctx)))
fi.Call(ctx, args)
}
//export stepTrampoline
func stepTrampoline(ctx *C.sqlite3_context, argc int, argv **C.sqlite3_value) {
args := (*[(math.MaxInt32 - 1) / unsafe.Sizeof((*C.sqlite3_value)(nil))]*C.sqlite3_value)(unsafe.Pointer(argv))[:argc:argc]
ai := (*aggInfo)(unsafe.Pointer(C.sqlite3_user_data(ctx)))
ai.Step(ctx, args)
}
//export doneTrampoline
func doneTrampoline(ctx *C.sqlite3_context) {
ai := (*aggInfo)(unsafe.Pointer(C.sqlite3_user_data(ctx)))
ai.Done(ctx)
}
// This is only here so that tests can refer to it.
type callbackArgRaw C.sqlite3_value
type callbackArgConverter func(*C.sqlite3_value) (reflect.Value, error)
type callbackArgCast struct {
f callbackArgConverter
typ reflect.Type
}
func (c callbackArgCast) Run(v *C.sqlite3_value) (reflect.Value, error) {
val, err := c.f(v)
if err != nil {
return reflect.Value{}, err
}
if !val.Type().ConvertibleTo(c.typ) {
return reflect.Value{}, fmt.Errorf("cannot convert %s to %s", val.Type(), c.typ)
}
return val.Convert(c.typ), nil
}
func callbackArgInt64(v *C.sqlite3_value) (reflect.Value, error) {
if C.sqlite3_value_type(v) != C.SQLITE_INTEGER {
return reflect.Value{}, fmt.Errorf("argument must be an INTEGER")
}
return reflect.ValueOf(int64(C.sqlite3_value_int64(v))), nil
}
func callbackArgBool(v *C.sqlite3_value) (reflect.Value, error) {
if C.sqlite3_value_type(v) != C.SQLITE_INTEGER {
return reflect.Value{}, fmt.Errorf("argument must be an INTEGER")
}
i := int64(C.sqlite3_value_int64(v))
val := false
if i != 0 {
val = true
}
return reflect.ValueOf(val), nil
}
func callbackArgFloat64(v *C.sqlite3_value) (reflect.Value, error) {
if C.sqlite3_value_type(v) != C.SQLITE_FLOAT {
return reflect.Value{}, fmt.Errorf("argument must be a FLOAT")
}
return reflect.ValueOf(float64(C.sqlite3_value_double(v))), nil
}
func callbackArgBytes(v *C.sqlite3_value) (reflect.Value, error) {
switch C.sqlite3_value_type(v) {
case C.SQLITE_BLOB:
l := C.sqlite3_value_bytes(v)
p := C.sqlite3_value_blob(v)
return reflect.ValueOf(C.GoBytes(p, l)), nil
case C.SQLITE_TEXT:
l := C.sqlite3_value_bytes(v)
c := unsafe.Pointer(C.sqlite3_value_text(v))
return reflect.ValueOf(C.GoBytes(c, l)), nil
default:
return reflect.Value{}, fmt.Errorf("argument must be BLOB or TEXT")
}
}
func callbackArgString(v *C.sqlite3_value) (reflect.Value, error) {
switch C.sqlite3_value_type(v) {
case C.SQLITE_BLOB:
l := C.sqlite3_value_bytes(v)
p := (*C.char)(C.sqlite3_value_blob(v))
return reflect.ValueOf(C.GoStringN(p, l)), nil
case C.SQLITE_TEXT:
c := (*C.char)(unsafe.Pointer(C.sqlite3_value_text(v)))
return reflect.ValueOf(C.GoString(c)), nil
default:
return reflect.Value{}, fmt.Errorf("argument must be BLOB or TEXT")
}
}
func callbackArgGeneric(v *C.sqlite3_value) (reflect.Value, error) {
switch C.sqlite3_value_type(v) {
case C.SQLITE_INTEGER:
return callbackArgInt64(v)
case C.SQLITE_FLOAT:
return callbackArgFloat64(v)
case C.SQLITE_TEXT:
return callbackArgString(v)
case C.SQLITE_BLOB:
return callbackArgBytes(v)
case C.SQLITE_NULL:
// Interpret NULL as a nil byte slice.
var ret []byte
return reflect.ValueOf(ret), nil
default:
panic("unreachable")
}
}
func callbackArg(typ reflect.Type) (callbackArgConverter, error) {
switch typ.Kind() {
case reflect.Interface:
if typ.NumMethod() != 0 {
return nil, errors.New("the only supported interface type is interface{}")
}
return callbackArgGeneric, nil
case reflect.Slice:
if typ.Elem().Kind() != reflect.Uint8 {
return nil, errors.New("the only supported slice type is []byte")
}
return callbackArgBytes, nil
case reflect.String:
return callbackArgString, nil
case reflect.Bool:
return callbackArgBool, nil
case reflect.Int64:
return callbackArgInt64, nil
case reflect.Int8, reflect.Int16, reflect.Int32, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Int, reflect.Uint:
c := callbackArgCast{callbackArgInt64, typ}
return c.Run, nil
case reflect.Float64:
return callbackArgFloat64, nil
case reflect.Float32:
c := callbackArgCast{callbackArgFloat64, typ}
return c.Run, nil
default:
return nil, fmt.Errorf("don't know how to convert to %s", typ)
}
}
func callbackConvertArgs(argv []*C.sqlite3_value, converters []callbackArgConverter, variadic callbackArgConverter) ([]reflect.Value, error) {
var args []reflect.Value
if len(argv) < len(converters) {
return nil, fmt.Errorf("function requires at least %d arguments", len(converters))
}
for i, arg := range argv[:len(converters)] {
v, err := converters[i](arg)
if err != nil {
return nil, err
}
args = append(args, v)
}
if variadic != nil {
for _, arg := range argv[len(converters):] {
v, err := variadic(arg)
if err != nil {
return nil, err
}
args = append(args, v)
}
}
return args, nil
}
type callbackRetConverter func(*C.sqlite3_context, reflect.Value) error
func callbackRetInteger(ctx *C.sqlite3_context, v reflect.Value) error {
switch v.Type().Kind() {
case reflect.Int64:
case reflect.Int8, reflect.Int16, reflect.Int32, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Int, reflect.Uint:
v = v.Convert(reflect.TypeOf(int64(0)))
case reflect.Bool:
b := v.Interface().(bool)
if b {
v = reflect.ValueOf(int64(1))
} else {
v = reflect.ValueOf(int64(0))
}
default:
return fmt.Errorf("cannot convert %s to INTEGER", v.Type())
}
C.sqlite3_result_int64(ctx, C.sqlite3_int64(v.Interface().(int64)))
return nil
}
func callbackRetFloat(ctx *C.sqlite3_context, v reflect.Value) error {
switch v.Type().Kind() {
case reflect.Float64:
case reflect.Float32:
v = v.Convert(reflect.TypeOf(float64(0)))
default:
return fmt.Errorf("cannot convert %s to FLOAT", v.Type())
}
C.sqlite3_result_double(ctx, C.double(v.Interface().(float64)))
return nil
}
func callbackRetBlob(ctx *C.sqlite3_context, v reflect.Value) error {
if v.Type().Kind() != reflect.Slice || v.Type().Elem().Kind() != reflect.Uint8 {
return fmt.Errorf("cannot convert %s to BLOB", v.Type())
}
i := v.Interface()
if i == nil || len(i.([]byte)) == 0 {
C.sqlite3_result_null(ctx)
} else {
bs := i.([]byte)
C._sqlite3_result_blob(ctx, unsafe.Pointer(&bs[0]), C.int(len(bs)))
}
return nil
}
func callbackRetText(ctx *C.sqlite3_context, v reflect.Value) error {
if v.Type().Kind() != reflect.String {
return fmt.Errorf("cannot convert %s to TEXT", v.Type())
}
C._sqlite3_result_text(ctx, C.CString(v.Interface().(string)))
return nil
}
func callbackRet(typ reflect.Type) (callbackRetConverter, error) {
switch typ.Kind() {
case reflect.Slice:
if typ.Elem().Kind() != reflect.Uint8 {
return nil, errors.New("the only supported slice type is []byte")
}
return callbackRetBlob, nil
case reflect.String:
return callbackRetText, nil
case reflect.Bool, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Int, reflect.Uint:
return callbackRetInteger, nil
case reflect.Float32, reflect.Float64:
return callbackRetFloat, nil
default:
return nil, fmt.Errorf("don't know how to convert to %s", typ)
}
}
func callbackError(ctx *C.sqlite3_context, err error) {
cstr := C.CString(err.Error())
defer C.free(unsafe.Pointer(cstr))
C.sqlite3_result_error(ctx, cstr, -1)
}
// Test support code. Tests are not allowed to import "C", so we can't
// declare any functions that use C.sqlite3_value.
func callbackSyntheticForTests(v reflect.Value, err error) callbackArgConverter {
return func(*C.sqlite3_value) (reflect.Value, error) {
return v, err
}
}

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/*
** 2006 June 7
**
** The author disclaims copyright to this source code. In place of
** a legal notice, here is a blessing:
**
** May you do good and not evil.
** May you find forgiveness for yourself and forgive others.
** May you share freely, never taking more than you give.
**
*************************************************************************
** This header file defines the SQLite interface for use by
** shared libraries that want to be imported as extensions into
** an SQLite instance. Shared libraries that intend to be loaded
** as extensions by SQLite should #include this file instead of
** sqlite3.h.
*/
#ifndef _SQLITE3EXT_H_
#define _SQLITE3EXT_H_
#include "sqlite3-binding.h"
typedef struct sqlite3_api_routines sqlite3_api_routines;
/*
** The following structure holds pointers to all of the SQLite API
** routines.
**
** WARNING: In order to maintain backwards compatibility, add new
** interfaces to the end of this structure only. If you insert new
** interfaces in the middle of this structure, then older different
** versions of SQLite will not be able to load each others' shared
** libraries!
*/
struct sqlite3_api_routines {
void * (*aggregate_context)(sqlite3_context*,int nBytes);
int (*aggregate_count)(sqlite3_context*);
int (*bind_blob)(sqlite3_stmt*,int,const void*,int n,void(*)(void*));
int (*bind_double)(sqlite3_stmt*,int,double);
int (*bind_int)(sqlite3_stmt*,int,int);
int (*bind_int64)(sqlite3_stmt*,int,sqlite_int64);
int (*bind_null)(sqlite3_stmt*,int);
int (*bind_parameter_count)(sqlite3_stmt*);
int (*bind_parameter_index)(sqlite3_stmt*,const char*zName);
const char * (*bind_parameter_name)(sqlite3_stmt*,int);
int (*bind_text)(sqlite3_stmt*,int,const char*,int n,void(*)(void*));
int (*bind_text16)(sqlite3_stmt*,int,const void*,int,void(*)(void*));
int (*bind_value)(sqlite3_stmt*,int,const sqlite3_value*);
int (*busy_handler)(sqlite3*,int(*)(void*,int),void*);
int (*busy_timeout)(sqlite3*,int ms);
int (*changes)(sqlite3*);
int (*close)(sqlite3*);
int (*collation_needed)(sqlite3*,void*,void(*)(void*,sqlite3*,
int eTextRep,const char*));
int (*collation_needed16)(sqlite3*,void*,void(*)(void*,sqlite3*,
int eTextRep,const void*));
const void * (*column_blob)(sqlite3_stmt*,int iCol);
int (*column_bytes)(sqlite3_stmt*,int iCol);
int (*column_bytes16)(sqlite3_stmt*,int iCol);
int (*column_count)(sqlite3_stmt*pStmt);
const char * (*column_database_name)(sqlite3_stmt*,int);
const void * (*column_database_name16)(sqlite3_stmt*,int);
const char * (*column_decltype)(sqlite3_stmt*,int i);
const void * (*column_decltype16)(sqlite3_stmt*,int);
double (*column_double)(sqlite3_stmt*,int iCol);
int (*column_int)(sqlite3_stmt*,int iCol);
sqlite_int64 (*column_int64)(sqlite3_stmt*,int iCol);
const char * (*column_name)(sqlite3_stmt*,int);
const void * (*column_name16)(sqlite3_stmt*,int);
const char * (*column_origin_name)(sqlite3_stmt*,int);
const void * (*column_origin_name16)(sqlite3_stmt*,int);
const char * (*column_table_name)(sqlite3_stmt*,int);
const void * (*column_table_name16)(sqlite3_stmt*,int);
const unsigned char * (*column_text)(sqlite3_stmt*,int iCol);
const void * (*column_text16)(sqlite3_stmt*,int iCol);
int (*column_type)(sqlite3_stmt*,int iCol);
sqlite3_value* (*column_value)(sqlite3_stmt*,int iCol);
void * (*commit_hook)(sqlite3*,int(*)(void*),void*);
int (*complete)(const char*sql);
int (*complete16)(const void*sql);
int (*create_collation)(sqlite3*,const char*,int,void*,
int(*)(void*,int,const void*,int,const void*));
int (*create_collation16)(sqlite3*,const void*,int,void*,
int(*)(void*,int,const void*,int,const void*));
int (*create_function)(sqlite3*,const char*,int,int,void*,
void (*xFunc)(sqlite3_context*,int,sqlite3_value**),
void (*xStep)(sqlite3_context*,int,sqlite3_value**),
void (*xFinal)(sqlite3_context*));
int (*create_function16)(sqlite3*,const void*,int,int,void*,
void (*xFunc)(sqlite3_context*,int,sqlite3_value**),
void (*xStep)(sqlite3_context*,int,sqlite3_value**),
void (*xFinal)(sqlite3_context*));
int (*create_module)(sqlite3*,const char*,const sqlite3_module*,void*);
int (*data_count)(sqlite3_stmt*pStmt);
sqlite3 * (*db_handle)(sqlite3_stmt*);
int (*declare_vtab)(sqlite3*,const char*);
int (*enable_shared_cache)(int);
int (*errcode)(sqlite3*db);
const char * (*errmsg)(sqlite3*);
const void * (*errmsg16)(sqlite3*);
int (*exec)(sqlite3*,const char*,sqlite3_callback,void*,char**);
int (*expired)(sqlite3_stmt*);
int (*finalize)(sqlite3_stmt*pStmt);
void (*free)(void*);
void (*free_table)(char**result);
int (*get_autocommit)(sqlite3*);
void * (*get_auxdata)(sqlite3_context*,int);
int (*get_table)(sqlite3*,const char*,char***,int*,int*,char**);
int (*global_recover)(void);
void (*interruptx)(sqlite3*);
sqlite_int64 (*last_insert_rowid)(sqlite3*);
const char * (*libversion)(void);
int (*libversion_number)(void);
void *(*malloc)(int);
char * (*mprintf)(const char*,...);
int (*open)(const char*,sqlite3**);
int (*open16)(const void*,sqlite3**);
int (*prepare)(sqlite3*,const char*,int,sqlite3_stmt**,const char**);
int (*prepare16)(sqlite3*,const void*,int,sqlite3_stmt**,const void**);
void * (*profile)(sqlite3*,void(*)(void*,const char*,sqlite_uint64),void*);
void (*progress_handler)(sqlite3*,int,int(*)(void*),void*);
void *(*realloc)(void*,int);
int (*reset)(sqlite3_stmt*pStmt);
void (*result_blob)(sqlite3_context*,const void*,int,void(*)(void*));
void (*result_double)(sqlite3_context*,double);
void (*result_error)(sqlite3_context*,const char*,int);
void (*result_error16)(sqlite3_context*,const void*,int);
void (*result_int)(sqlite3_context*,int);
void (*result_int64)(sqlite3_context*,sqlite_int64);
void (*result_null)(sqlite3_context*);
void (*result_text)(sqlite3_context*,const char*,int,void(*)(void*));
void (*result_text16)(sqlite3_context*,const void*,int,void(*)(void*));
void (*result_text16be)(sqlite3_context*,const void*,int,void(*)(void*));
void (*result_text16le)(sqlite3_context*,const void*,int,void(*)(void*));
void (*result_value)(sqlite3_context*,sqlite3_value*);
void * (*rollback_hook)(sqlite3*,void(*)(void*),void*);
int (*set_authorizer)(sqlite3*,int(*)(void*,int,const char*,const char*,
const char*,const char*),void*);
void (*set_auxdata)(sqlite3_context*,int,void*,void (*)(void*));
char * (*snprintf)(int,char*,const char*,...);
int (*step)(sqlite3_stmt*);
int (*table_column_metadata)(sqlite3*,const char*,const char*,const char*,
char const**,char const**,int*,int*,int*);
void (*thread_cleanup)(void);
int (*total_changes)(sqlite3*);
void * (*trace)(sqlite3*,void(*xTrace)(void*,const char*),void*);
int (*transfer_bindings)(sqlite3_stmt*,sqlite3_stmt*);
void * (*update_hook)(sqlite3*,void(*)(void*,int ,char const*,char const*,
sqlite_int64),void*);
void * (*user_data)(sqlite3_context*);
const void * (*value_blob)(sqlite3_value*);
int (*value_bytes)(sqlite3_value*);
int (*value_bytes16)(sqlite3_value*);
double (*value_double)(sqlite3_value*);
int (*value_int)(sqlite3_value*);
sqlite_int64 (*value_int64)(sqlite3_value*);
int (*value_numeric_type)(sqlite3_value*);
const unsigned char * (*value_text)(sqlite3_value*);
const void * (*value_text16)(sqlite3_value*);
const void * (*value_text16be)(sqlite3_value*);
const void * (*value_text16le)(sqlite3_value*);
int (*value_type)(sqlite3_value*);
char *(*vmprintf)(const char*,va_list);
/* Added ??? */
int (*overload_function)(sqlite3*, const char *zFuncName, int nArg);
/* Added by 3.3.13 */
int (*prepare_v2)(sqlite3*,const char*,int,sqlite3_stmt**,const char**);
int (*prepare16_v2)(sqlite3*,const void*,int,sqlite3_stmt**,const void**);
int (*clear_bindings)(sqlite3_stmt*);
/* Added by 3.4.1 */
int (*create_module_v2)(sqlite3*,const char*,const sqlite3_module*,void*,
void (*xDestroy)(void *));
/* Added by 3.5.0 */
int (*bind_zeroblob)(sqlite3_stmt*,int,int);
int (*blob_bytes)(sqlite3_blob*);
int (*blob_close)(sqlite3_blob*);
int (*blob_open)(sqlite3*,const char*,const char*,const char*,sqlite3_int64,
int,sqlite3_blob**);
int (*blob_read)(sqlite3_blob*,void*,int,int);
int (*blob_write)(sqlite3_blob*,const void*,int,int);
int (*create_collation_v2)(sqlite3*,const char*,int,void*,
int(*)(void*,int,const void*,int,const void*),
void(*)(void*));
int (*file_control)(sqlite3*,const char*,int,void*);
sqlite3_int64 (*memory_highwater)(int);
sqlite3_int64 (*memory_used)(void);
sqlite3_mutex *(*mutex_alloc)(int);
void (*mutex_enter)(sqlite3_mutex*);
void (*mutex_free)(sqlite3_mutex*);
void (*mutex_leave)(sqlite3_mutex*);
int (*mutex_try)(sqlite3_mutex*);
int (*open_v2)(const char*,sqlite3**,int,const char*);
int (*release_memory)(int);
void (*result_error_nomem)(sqlite3_context*);
void (*result_error_toobig)(sqlite3_context*);
int (*sleep)(int);
void (*soft_heap_limit)(int);
sqlite3_vfs *(*vfs_find)(const char*);
int (*vfs_register)(sqlite3_vfs*,int);
int (*vfs_unregister)(sqlite3_vfs*);
int (*xthreadsafe)(void);
void (*result_zeroblob)(sqlite3_context*,int);
void (*result_error_code)(sqlite3_context*,int);
int (*test_control)(int, ...);
void (*randomness)(int,void*);
sqlite3 *(*context_db_handle)(sqlite3_context*);
int (*extended_result_codes)(sqlite3*,int);
int (*limit)(sqlite3*,int,int);
sqlite3_stmt *(*next_stmt)(sqlite3*,sqlite3_stmt*);
const char *(*sql)(sqlite3_stmt*);
int (*status)(int,int*,int*,int);
int (*backup_finish)(sqlite3_backup*);
sqlite3_backup *(*backup_init)(sqlite3*,const char*,sqlite3*,const char*);
int (*backup_pagecount)(sqlite3_backup*);
int (*backup_remaining)(sqlite3_backup*);
int (*backup_step)(sqlite3_backup*,int);
const char *(*compileoption_get)(int);
int (*compileoption_used)(const char*);
int (*create_function_v2)(sqlite3*,const char*,int,int,void*,
void (*xFunc)(sqlite3_context*,int,sqlite3_value**),
void (*xStep)(sqlite3_context*,int,sqlite3_value**),
void (*xFinal)(sqlite3_context*),
void(*xDestroy)(void*));
int (*db_config)(sqlite3*,int,...);
sqlite3_mutex *(*db_mutex)(sqlite3*);
int (*db_status)(sqlite3*,int,int*,int*,int);
int (*extended_errcode)(sqlite3*);
void (*log)(int,const char*,...);
sqlite3_int64 (*soft_heap_limit64)(sqlite3_int64);
const char *(*sourceid)(void);
int (*stmt_status)(sqlite3_stmt*,int,int);
int (*strnicmp)(const char*,const char*,int);
int (*unlock_notify)(sqlite3*,void(*)(void**,int),void*);
int (*wal_autocheckpoint)(sqlite3*,int);
int (*wal_checkpoint)(sqlite3*,const char*);
void *(*wal_hook)(sqlite3*,int(*)(void*,sqlite3*,const char*,int),void*);
int (*blob_reopen)(sqlite3_blob*,sqlite3_int64);
int (*vtab_config)(sqlite3*,int op,...);
int (*vtab_on_conflict)(sqlite3*);
/* Version 3.7.16 and later */
int (*close_v2)(sqlite3*);
const char *(*db_filename)(sqlite3*,const char*);
int (*db_readonly)(sqlite3*,const char*);
int (*db_release_memory)(sqlite3*);
const char *(*errstr)(int);
int (*stmt_busy)(sqlite3_stmt*);
int (*stmt_readonly)(sqlite3_stmt*);
int (*stricmp)(const char*,const char*);
int (*uri_boolean)(const char*,const char*,int);
sqlite3_int64 (*uri_int64)(const char*,const char*,sqlite3_int64);
const char *(*uri_parameter)(const char*,const char*);
char *(*vsnprintf)(int,char*,const char*,va_list);
int (*wal_checkpoint_v2)(sqlite3*,const char*,int,int*,int*);
};
/*
** The following macros redefine the API routines so that they are
** redirected throught the global sqlite3_api structure.
**
** This header file is also used by the loadext.c source file
** (part of the main SQLite library - not an extension) so that
** it can get access to the sqlite3_api_routines structure
** definition. But the main library does not want to redefine
** the API. So the redefinition macros are only valid if the
** SQLITE_CORE macros is undefined.
*/
#ifndef SQLITE_CORE
#define sqlite3_aggregate_context sqlite3_api->aggregate_context
#ifndef SQLITE_OMIT_DEPRECATED
#define sqlite3_aggregate_count sqlite3_api->aggregate_count
#endif
#define sqlite3_bind_blob sqlite3_api->bind_blob
#define sqlite3_bind_double sqlite3_api->bind_double
#define sqlite3_bind_int sqlite3_api->bind_int
#define sqlite3_bind_int64 sqlite3_api->bind_int64
#define sqlite3_bind_null sqlite3_api->bind_null
#define sqlite3_bind_parameter_count sqlite3_api->bind_parameter_count
#define sqlite3_bind_parameter_index sqlite3_api->bind_parameter_index
#define sqlite3_bind_parameter_name sqlite3_api->bind_parameter_name
#define sqlite3_bind_text sqlite3_api->bind_text
#define sqlite3_bind_text16 sqlite3_api->bind_text16
#define sqlite3_bind_value sqlite3_api->bind_value
#define sqlite3_busy_handler sqlite3_api->busy_handler
#define sqlite3_busy_timeout sqlite3_api->busy_timeout
#define sqlite3_changes sqlite3_api->changes
#define sqlite3_close sqlite3_api->close
#define sqlite3_collation_needed sqlite3_api->collation_needed
#define sqlite3_collation_needed16 sqlite3_api->collation_needed16
#define sqlite3_column_blob sqlite3_api->column_blob
#define sqlite3_column_bytes sqlite3_api->column_bytes
#define sqlite3_column_bytes16 sqlite3_api->column_bytes16
#define sqlite3_column_count sqlite3_api->column_count
#define sqlite3_column_database_name sqlite3_api->column_database_name
#define sqlite3_column_database_name16 sqlite3_api->column_database_name16
#define sqlite3_column_decltype sqlite3_api->column_decltype
#define sqlite3_column_decltype16 sqlite3_api->column_decltype16
#define sqlite3_column_double sqlite3_api->column_double
#define sqlite3_column_int sqlite3_api->column_int
#define sqlite3_column_int64 sqlite3_api->column_int64
#define sqlite3_column_name sqlite3_api->column_name
#define sqlite3_column_name16 sqlite3_api->column_name16
#define sqlite3_column_origin_name sqlite3_api->column_origin_name
#define sqlite3_column_origin_name16 sqlite3_api->column_origin_name16
#define sqlite3_column_table_name sqlite3_api->column_table_name
#define sqlite3_column_table_name16 sqlite3_api->column_table_name16
#define sqlite3_column_text sqlite3_api->column_text
#define sqlite3_column_text16 sqlite3_api->column_text16
#define sqlite3_column_type sqlite3_api->column_type
#define sqlite3_column_value sqlite3_api->column_value
#define sqlite3_commit_hook sqlite3_api->commit_hook
#define sqlite3_complete sqlite3_api->complete
#define sqlite3_complete16 sqlite3_api->complete16
#define sqlite3_create_collation sqlite3_api->create_collation
#define sqlite3_create_collation16 sqlite3_api->create_collation16
#define sqlite3_create_function sqlite3_api->create_function
#define sqlite3_create_function16 sqlite3_api->create_function16
#define sqlite3_create_module sqlite3_api->create_module
#define sqlite3_create_module_v2 sqlite3_api->create_module_v2
#define sqlite3_data_count sqlite3_api->data_count
#define sqlite3_db_handle sqlite3_api->db_handle
#define sqlite3_declare_vtab sqlite3_api->declare_vtab
#define sqlite3_enable_shared_cache sqlite3_api->enable_shared_cache
#define sqlite3_errcode sqlite3_api->errcode
#define sqlite3_errmsg sqlite3_api->errmsg
#define sqlite3_errmsg16 sqlite3_api->errmsg16
#define sqlite3_exec sqlite3_api->exec
#ifndef SQLITE_OMIT_DEPRECATED
#define sqlite3_expired sqlite3_api->expired
#endif
#define sqlite3_finalize sqlite3_api->finalize
#define sqlite3_free sqlite3_api->free
#define sqlite3_free_table sqlite3_api->free_table
#define sqlite3_get_autocommit sqlite3_api->get_autocommit
#define sqlite3_get_auxdata sqlite3_api->get_auxdata
#define sqlite3_get_table sqlite3_api->get_table
#ifndef SQLITE_OMIT_DEPRECATED
#define sqlite3_global_recover sqlite3_api->global_recover
#endif
#define sqlite3_interrupt sqlite3_api->interruptx
#define sqlite3_last_insert_rowid sqlite3_api->last_insert_rowid
#define sqlite3_libversion sqlite3_api->libversion
#define sqlite3_libversion_number sqlite3_api->libversion_number
#define sqlite3_malloc sqlite3_api->malloc
#define sqlite3_mprintf sqlite3_api->mprintf
#define sqlite3_open sqlite3_api->open
#define sqlite3_open16 sqlite3_api->open16
#define sqlite3_prepare sqlite3_api->prepare
#define sqlite3_prepare16 sqlite3_api->prepare16
#define sqlite3_prepare_v2 sqlite3_api->prepare_v2
#define sqlite3_prepare16_v2 sqlite3_api->prepare16_v2
#define sqlite3_profile sqlite3_api->profile
#define sqlite3_progress_handler sqlite3_api->progress_handler
#define sqlite3_realloc sqlite3_api->realloc
#define sqlite3_reset sqlite3_api->reset
#define sqlite3_result_blob sqlite3_api->result_blob
#define sqlite3_result_double sqlite3_api->result_double
#define sqlite3_result_error sqlite3_api->result_error
#define sqlite3_result_error16 sqlite3_api->result_error16
#define sqlite3_result_int sqlite3_api->result_int
#define sqlite3_result_int64 sqlite3_api->result_int64
#define sqlite3_result_null sqlite3_api->result_null
#define sqlite3_result_text sqlite3_api->result_text
#define sqlite3_result_text16 sqlite3_api->result_text16
#define sqlite3_result_text16be sqlite3_api->result_text16be
#define sqlite3_result_text16le sqlite3_api->result_text16le
#define sqlite3_result_value sqlite3_api->result_value
#define sqlite3_rollback_hook sqlite3_api->rollback_hook
#define sqlite3_set_authorizer sqlite3_api->set_authorizer
#define sqlite3_set_auxdata sqlite3_api->set_auxdata
#define sqlite3_snprintf sqlite3_api->snprintf
#define sqlite3_step sqlite3_api->step
#define sqlite3_table_column_metadata sqlite3_api->table_column_metadata
#define sqlite3_thread_cleanup sqlite3_api->thread_cleanup
#define sqlite3_total_changes sqlite3_api->total_changes
#define sqlite3_trace sqlite3_api->trace
#ifndef SQLITE_OMIT_DEPRECATED
#define sqlite3_transfer_bindings sqlite3_api->transfer_bindings
#endif
#define sqlite3_update_hook sqlite3_api->update_hook
#define sqlite3_user_data sqlite3_api->user_data
#define sqlite3_value_blob sqlite3_api->value_blob
#define sqlite3_value_bytes sqlite3_api->value_bytes
#define sqlite3_value_bytes16 sqlite3_api->value_bytes16
#define sqlite3_value_double sqlite3_api->value_double
#define sqlite3_value_int sqlite3_api->value_int
#define sqlite3_value_int64 sqlite3_api->value_int64
#define sqlite3_value_numeric_type sqlite3_api->value_numeric_type
#define sqlite3_value_text sqlite3_api->value_text
#define sqlite3_value_text16 sqlite3_api->value_text16
#define sqlite3_value_text16be sqlite3_api->value_text16be
#define sqlite3_value_text16le sqlite3_api->value_text16le
#define sqlite3_value_type sqlite3_api->value_type
#define sqlite3_vmprintf sqlite3_api->vmprintf
#define sqlite3_overload_function sqlite3_api->overload_function
#define sqlite3_prepare_v2 sqlite3_api->prepare_v2
#define sqlite3_prepare16_v2 sqlite3_api->prepare16_v2
#define sqlite3_clear_bindings sqlite3_api->clear_bindings
#define sqlite3_bind_zeroblob sqlite3_api->bind_zeroblob
#define sqlite3_blob_bytes sqlite3_api->blob_bytes
#define sqlite3_blob_close sqlite3_api->blob_close
#define sqlite3_blob_open sqlite3_api->blob_open
#define sqlite3_blob_read sqlite3_api->blob_read
#define sqlite3_blob_write sqlite3_api->blob_write
#define sqlite3_create_collation_v2 sqlite3_api->create_collation_v2
#define sqlite3_file_control sqlite3_api->file_control
#define sqlite3_memory_highwater sqlite3_api->memory_highwater
#define sqlite3_memory_used sqlite3_api->memory_used
#define sqlite3_mutex_alloc sqlite3_api->mutex_alloc
#define sqlite3_mutex_enter sqlite3_api->mutex_enter
#define sqlite3_mutex_free sqlite3_api->mutex_free
#define sqlite3_mutex_leave sqlite3_api->mutex_leave
#define sqlite3_mutex_try sqlite3_api->mutex_try
#define sqlite3_open_v2 sqlite3_api->open_v2
#define sqlite3_release_memory sqlite3_api->release_memory
#define sqlite3_result_error_nomem sqlite3_api->result_error_nomem
#define sqlite3_result_error_toobig sqlite3_api->result_error_toobig
#define sqlite3_sleep sqlite3_api->sleep
#define sqlite3_soft_heap_limit sqlite3_api->soft_heap_limit
#define sqlite3_vfs_find sqlite3_api->vfs_find
#define sqlite3_vfs_register sqlite3_api->vfs_register
#define sqlite3_vfs_unregister sqlite3_api->vfs_unregister
#define sqlite3_threadsafe sqlite3_api->xthreadsafe
#define sqlite3_result_zeroblob sqlite3_api->result_zeroblob
#define sqlite3_result_error_code sqlite3_api->result_error_code
#define sqlite3_test_control sqlite3_api->test_control
#define sqlite3_randomness sqlite3_api->randomness
#define sqlite3_context_db_handle sqlite3_api->context_db_handle
#define sqlite3_extended_result_codes sqlite3_api->extended_result_codes
#define sqlite3_limit sqlite3_api->limit
#define sqlite3_next_stmt sqlite3_api->next_stmt
#define sqlite3_sql sqlite3_api->sql
#define sqlite3_status sqlite3_api->status
#define sqlite3_backup_finish sqlite3_api->backup_finish
#define sqlite3_backup_init sqlite3_api->backup_init
#define sqlite3_backup_pagecount sqlite3_api->backup_pagecount
#define sqlite3_backup_remaining sqlite3_api->backup_remaining
#define sqlite3_backup_step sqlite3_api->backup_step
#define sqlite3_compileoption_get sqlite3_api->compileoption_get
#define sqlite3_compileoption_used sqlite3_api->compileoption_used
#define sqlite3_create_function_v2 sqlite3_api->create_function_v2
#define sqlite3_db_config sqlite3_api->db_config
#define sqlite3_db_mutex sqlite3_api->db_mutex
#define sqlite3_db_status sqlite3_api->db_status
#define sqlite3_extended_errcode sqlite3_api->extended_errcode
#define sqlite3_log sqlite3_api->log
#define sqlite3_soft_heap_limit64 sqlite3_api->soft_heap_limit64
#define sqlite3_sourceid sqlite3_api->sourceid
#define sqlite3_stmt_status sqlite3_api->stmt_status
#define sqlite3_strnicmp sqlite3_api->strnicmp
#define sqlite3_unlock_notify sqlite3_api->unlock_notify
#define sqlite3_wal_autocheckpoint sqlite3_api->wal_autocheckpoint
#define sqlite3_wal_checkpoint sqlite3_api->wal_checkpoint
#define sqlite3_wal_hook sqlite3_api->wal_hook
#define sqlite3_blob_reopen sqlite3_api->blob_reopen
#define sqlite3_vtab_config sqlite3_api->vtab_config
#define sqlite3_vtab_on_conflict sqlite3_api->vtab_on_conflict
/* Version 3.7.16 and later */
#define sqlite3_close_v2 sqlite3_api->close_v2
#define sqlite3_db_filename sqlite3_api->db_filename
#define sqlite3_db_readonly sqlite3_api->db_readonly
#define sqlite3_db_release_memory sqlite3_api->db_release_memory
#define sqlite3_errstr sqlite3_api->errstr
#define sqlite3_stmt_busy sqlite3_api->stmt_busy
#define sqlite3_stmt_readonly sqlite3_api->stmt_readonly
#define sqlite3_stricmp sqlite3_api->stricmp
#define sqlite3_uri_boolean sqlite3_api->uri_boolean
#define sqlite3_uri_int64 sqlite3_api->uri_int64
#define sqlite3_uri_parameter sqlite3_api->uri_parameter
#define sqlite3_uri_vsnprintf sqlite3_api->vsnprintf
#define sqlite3_wal_checkpoint_v2 sqlite3_api->wal_checkpoint_v2
#endif /* SQLITE_CORE */
#ifndef SQLITE_CORE
/* This case when the file really is being compiled as a loadable
** extension */
# define SQLITE_EXTENSION_INIT1 const sqlite3_api_routines *sqlite3_api=0;
# define SQLITE_EXTENSION_INIT2(v) sqlite3_api=v;
# define SQLITE_EXTENSION_INIT3 \
extern const sqlite3_api_routines *sqlite3_api;
#else
/* This case when the file is being statically linked into the
** application */
# define SQLITE_EXTENSION_INIT1 /*no-op*/
# define SQLITE_EXTENSION_INIT2(v) (void)v; /* unused parameter */
# define SQLITE_EXTENSION_INIT3 /*no-op*/
#endif
#endif /* _SQLITE3EXT_H_ */

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/*
Package sqlite3 provides interface to SQLite3 databases.
This works as driver for database/sql.
Installation
go get github.com/mattn/go-sqlite3
Supported Types
Currently, go-sqlite3 support following data types.
+------------------------------+
|go | sqlite3 |
|----------|-------------------|
|nil | null |
|int | integer |
|int64 | integer |
|float64 | float |
|bool | integer |
|[]byte | blob |
|string | text |
|time.Time | timestamp/datetime|
+------------------------------+
SQLite3 Extension
You can write your own extension module for sqlite3. For example, below is a
extension for Regexp matcher operation.
#include <pcre.h>
#include <string.h>
#include <stdio.h>
#include <sqlite3ext.h>
SQLITE_EXTENSION_INIT1
static void regexp_func(sqlite3_context *context, int argc, sqlite3_value **argv) {
if (argc >= 2) {
const char *target = (const char *)sqlite3_value_text(argv[1]);
const char *pattern = (const char *)sqlite3_value_text(argv[0]);
const char* errstr = NULL;
int erroff = 0;
int vec[500];
int n, rc;
pcre* re = pcre_compile(pattern, 0, &errstr, &erroff, NULL);
rc = pcre_exec(re, NULL, target, strlen(target), 0, 0, vec, 500);
if (rc <= 0) {
sqlite3_result_error(context, errstr, 0);
return;
}
sqlite3_result_int(context, 1);
}
}
#ifdef _WIN32
__declspec(dllexport)
#endif
int sqlite3_extension_init(sqlite3 *db, char **errmsg,
const sqlite3_api_routines *api) {
SQLITE_EXTENSION_INIT2(api);
return sqlite3_create_function(db, "regexp", 2, SQLITE_UTF8,
(void*)db, regexp_func, NULL, NULL);
}
It need to build as so/dll shared library. And you need to register
extension module like below.
sql.Register("sqlite3_with_extensions",
&sqlite3.SQLiteDriver{
Extensions: []string{
"sqlite3_mod_regexp",
},
})
Then, you can use this extension.
rows, err := db.Query("select text from mytable where name regexp '^golang'")
Connection Hook
You can hook and inject your codes when connection established. database/sql
doesn't provide the way to get native go-sqlite3 interfaces. So if you want,
you need to hook ConnectHook and get the SQLiteConn.
sql.Register("sqlite3_with_hook_example",
&sqlite3.SQLiteDriver{
ConnectHook: func(conn *sqlite3.SQLiteConn) error {
sqlite3conn = append(sqlite3conn, conn)
return nil
},
})
Go SQlite3 Extensions
If you want to register Go functions as SQLite extension functions,
call RegisterFunction from ConnectHook.
regex = func(re, s string) (bool, error) {
return regexp.MatchString(re, s)
}
sql.Register("sqlite3_with_go_func",
&sqlite3.SQLiteDriver{
ConnectHook: func(conn *sqlite3.SQLiteConn) error {
return conn.RegisterFunc("regex", regex, true)
},
})
See the documentation of RegisterFunc for more details.
*/
package sqlite3

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// Copyright (C) 2014 Yasuhiro Matsumoto <mattn.jp@gmail.com>.
//
// Use of this source code is governed by an MIT-style
// license that can be found in the LICENSE file.
package sqlite3
import "C"
type ErrNo int
const ErrNoMask C.int = 0xff
type ErrNoExtended int
type Error struct {
Code ErrNo /* The error code returned by SQLite */
ExtendedCode ErrNoExtended /* The extended error code returned by SQLite */
err string /* The error string returned by sqlite3_errmsg(),
this usually contains more specific details. */
}
// result codes from http://www.sqlite.org/c3ref/c_abort.html
var (
ErrError = ErrNo(1) /* SQL error or missing database */
ErrInternal = ErrNo(2) /* Internal logic error in SQLite */
ErrPerm = ErrNo(3) /* Access permission denied */
ErrAbort = ErrNo(4) /* Callback routine requested an abort */
ErrBusy = ErrNo(5) /* The database file is locked */
ErrLocked = ErrNo(6) /* A table in the database is locked */
ErrNomem = ErrNo(7) /* A malloc() failed */
ErrReadonly = ErrNo(8) /* Attempt to write a readonly database */
ErrInterrupt = ErrNo(9) /* Operation terminated by sqlite3_interrupt() */
ErrIoErr = ErrNo(10) /* Some kind of disk I/O error occurred */
ErrCorrupt = ErrNo(11) /* The database disk image is malformed */
ErrNotFound = ErrNo(12) /* Unknown opcode in sqlite3_file_control() */
ErrFull = ErrNo(13) /* Insertion failed because database is full */
ErrCantOpen = ErrNo(14) /* Unable to open the database file */
ErrProtocol = ErrNo(15) /* Database lock protocol error */
ErrEmpty = ErrNo(16) /* Database is empty */
ErrSchema = ErrNo(17) /* The database schema changed */
ErrTooBig = ErrNo(18) /* String or BLOB exceeds size limit */
ErrConstraint = ErrNo(19) /* Abort due to constraint violation */
ErrMismatch = ErrNo(20) /* Data type mismatch */
ErrMisuse = ErrNo(21) /* Library used incorrectly */
ErrNoLFS = ErrNo(22) /* Uses OS features not supported on host */
ErrAuth = ErrNo(23) /* Authorization denied */
ErrFormat = ErrNo(24) /* Auxiliary database format error */
ErrRange = ErrNo(25) /* 2nd parameter to sqlite3_bind out of range */
ErrNotADB = ErrNo(26) /* File opened that is not a database file */
ErrNotice = ErrNo(27) /* Notifications from sqlite3_log() */
ErrWarning = ErrNo(28) /* Warnings from sqlite3_log() */
)
func (err ErrNo) Error() string {
return Error{Code: err}.Error()
}
func (err ErrNo) Extend(by int) ErrNoExtended {
return ErrNoExtended(int(err) | (by << 8))
}
func (err ErrNoExtended) Error() string {
return Error{Code: ErrNo(C.int(err) & ErrNoMask), ExtendedCode: err}.Error()
}
func (err Error) Error() string {
if err.err != "" {
return err.err
}
return errorString(err)
}
// result codes from http://www.sqlite.org/c3ref/c_abort_rollback.html
var (
ErrIoErrRead = ErrIoErr.Extend(1)
ErrIoErrShortRead = ErrIoErr.Extend(2)
ErrIoErrWrite = ErrIoErr.Extend(3)
ErrIoErrFsync = ErrIoErr.Extend(4)
ErrIoErrDirFsync = ErrIoErr.Extend(5)
ErrIoErrTruncate = ErrIoErr.Extend(6)
ErrIoErrFstat = ErrIoErr.Extend(7)
ErrIoErrUnlock = ErrIoErr.Extend(8)
ErrIoErrRDlock = ErrIoErr.Extend(9)
ErrIoErrDelete = ErrIoErr.Extend(10)
ErrIoErrBlocked = ErrIoErr.Extend(11)
ErrIoErrNoMem = ErrIoErr.Extend(12)
ErrIoErrAccess = ErrIoErr.Extend(13)
ErrIoErrCheckReservedLock = ErrIoErr.Extend(14)
ErrIoErrLock = ErrIoErr.Extend(15)
ErrIoErrClose = ErrIoErr.Extend(16)
ErrIoErrDirClose = ErrIoErr.Extend(17)
ErrIoErrSHMOpen = ErrIoErr.Extend(18)
ErrIoErrSHMSize = ErrIoErr.Extend(19)
ErrIoErrSHMLock = ErrIoErr.Extend(20)
ErrIoErrSHMMap = ErrIoErr.Extend(21)
ErrIoErrSeek = ErrIoErr.Extend(22)
ErrIoErrDeleteNoent = ErrIoErr.Extend(23)
ErrIoErrMMap = ErrIoErr.Extend(24)
ErrIoErrGetTempPath = ErrIoErr.Extend(25)
ErrIoErrConvPath = ErrIoErr.Extend(26)
ErrLockedSharedCache = ErrLocked.Extend(1)
ErrBusyRecovery = ErrBusy.Extend(1)
ErrBusySnapshot = ErrBusy.Extend(2)
ErrCantOpenNoTempDir = ErrCantOpen.Extend(1)
ErrCantOpenIsDir = ErrCantOpen.Extend(2)
ErrCantOpenFullPath = ErrCantOpen.Extend(3)
ErrCantOpenConvPath = ErrCantOpen.Extend(4)
ErrCorruptVTab = ErrCorrupt.Extend(1)
ErrReadonlyRecovery = ErrReadonly.Extend(1)
ErrReadonlyCantLock = ErrReadonly.Extend(2)
ErrReadonlyRollback = ErrReadonly.Extend(3)
ErrReadonlyDbMoved = ErrReadonly.Extend(4)
ErrAbortRollback = ErrAbort.Extend(2)
ErrConstraintCheck = ErrConstraint.Extend(1)
ErrConstraintCommitHook = ErrConstraint.Extend(2)
ErrConstraintForeignKey = ErrConstraint.Extend(3)
ErrConstraintFunction = ErrConstraint.Extend(4)
ErrConstraintNotNull = ErrConstraint.Extend(5)
ErrConstraintPrimaryKey = ErrConstraint.Extend(6)
ErrConstraintTrigger = ErrConstraint.Extend(7)
ErrConstraintUnique = ErrConstraint.Extend(8)
ErrConstraintVTab = ErrConstraint.Extend(9)
ErrConstraintRowId = ErrConstraint.Extend(10)
ErrNoticeRecoverWAL = ErrNotice.Extend(1)
ErrNoticeRecoverRollback = ErrNotice.Extend(2)
ErrWarningAutoIndex = ErrWarning.Extend(1)
)

4
Godeps/_workspace/src/github.com/mattn/go-sqlite3/sqlite3-binding.c generated vendored Normal file
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@ -0,0 +1,4 @@
#ifndef USE_LIBSQLITE3
# include "code/sqlite3-binding.c"
#endif

5
Godeps/_workspace/src/github.com/mattn/go-sqlite3/sqlite3-binding.h generated vendored Normal file
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@ -0,0 +1,5 @@
#ifndef USE_LIBSQLITE3
#include "code/sqlite3-binding.h"
#else
#include <sqlite3.h>
#endif

977
Godeps/_workspace/src/github.com/mattn/go-sqlite3/sqlite3.go generated vendored Normal file
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@ -0,0 +1,977 @@
// Copyright (C) 2014 Yasuhiro Matsumoto <mattn.jp@gmail.com>.
//
// Use of this source code is governed by an MIT-style
// license that can be found in the LICENSE file.
package sqlite3
/*
#cgo CFLAGS: -std=gnu99
#cgo CFLAGS: -DSQLITE_ENABLE_RTREE -DSQLITE_THREADSAFE
#cgo CFLAGS: -DSQLITE_ENABLE_FTS3 -DSQLITE_ENABLE_FTS3_PARENTHESIS -DSQLITE_ENABLE_FTS4_UNICODE61
#include <sqlite3-binding.h>
#include <stdlib.h>
#include <string.h>
#ifdef __CYGWIN__
# include <errno.h>
#endif
#ifndef SQLITE_OPEN_READWRITE
# define SQLITE_OPEN_READWRITE 0
#endif
#ifndef SQLITE_OPEN_FULLMUTEX
# define SQLITE_OPEN_FULLMUTEX 0
#endif
static int
_sqlite3_open_v2(const char *filename, sqlite3 **ppDb, int flags, const char *zVfs) {
#ifdef SQLITE_OPEN_URI
return sqlite3_open_v2(filename, ppDb, flags | SQLITE_OPEN_URI, zVfs);
#else
return sqlite3_open_v2(filename, ppDb, flags, zVfs);
#endif
}
static int
_sqlite3_bind_text(sqlite3_stmt *stmt, int n, char *p, int np) {
return sqlite3_bind_text(stmt, n, p, np, SQLITE_TRANSIENT);
}
static int
_sqlite3_bind_blob(sqlite3_stmt *stmt, int n, void *p, int np) {
return sqlite3_bind_blob(stmt, n, p, np, SQLITE_TRANSIENT);
}
#include <stdio.h>
#include <stdint.h>
static int
_sqlite3_exec(sqlite3* db, const char* pcmd, long long* rowid, long long* changes)
{
int rv = sqlite3_exec(db, pcmd, 0, 0, 0);
*rowid = (long long) sqlite3_last_insert_rowid(db);
*changes = (long long) sqlite3_changes(db);
return rv;
}
static int
_sqlite3_step(sqlite3_stmt* stmt, long long* rowid, long long* changes)
{
int rv = sqlite3_step(stmt);
sqlite3* db = sqlite3_db_handle(stmt);
*rowid = (long long) sqlite3_last_insert_rowid(db);
*changes = (long long) sqlite3_changes(db);
return rv;
}
void _sqlite3_result_text(sqlite3_context* ctx, const char* s) {
sqlite3_result_text(ctx, s, -1, &free);
}
void _sqlite3_result_blob(sqlite3_context* ctx, const void* b, int l) {
sqlite3_result_blob(ctx, b, l, SQLITE_TRANSIENT);
}
void callbackTrampoline(sqlite3_context*, int, sqlite3_value**);
void stepTrampoline(sqlite3_context*, int, sqlite3_value**);
void doneTrampoline(sqlite3_context*);
*/
import "C"
import (
"database/sql"
"database/sql/driver"
"errors"
"fmt"
"io"
"net/url"
"reflect"
"runtime"
"strconv"
"strings"
"time"
"unsafe"
)
// Timestamp formats understood by both this module and SQLite.
// The first format in the slice will be used when saving time values
// into the database. When parsing a string from a timestamp or
// datetime column, the formats are tried in order.
var SQLiteTimestampFormats = []string{
// By default, store timestamps with whatever timezone they come with.
// When parsed, they will be returned with the same timezone.
"2006-01-02 15:04:05.999999999-07:00",
"2006-01-02T15:04:05.999999999-07:00",
"2006-01-02 15:04:05.999999999",
"2006-01-02T15:04:05.999999999",
"2006-01-02 15:04:05",
"2006-01-02T15:04:05",
"2006-01-02 15:04",
"2006-01-02T15:04",
"2006-01-02",
}
func init() {
sql.Register("sqlite3", &SQLiteDriver{})
}
// Return SQLite library Version information.
func Version() (libVersion string, libVersionNumber int, sourceId string) {
libVersion = C.GoString(C.sqlite3_libversion())
libVersionNumber = int(C.sqlite3_libversion_number())
sourceId = C.GoString(C.sqlite3_sourceid())
return libVersion, libVersionNumber, sourceId
}
// Driver struct.
type SQLiteDriver struct {
Extensions []string
ConnectHook func(*SQLiteConn) error
}
// Conn struct.
type SQLiteConn struct {
db *C.sqlite3
loc *time.Location
txlock string
funcs []*functionInfo
aggregators []*aggInfo
}
// Tx struct.
type SQLiteTx struct {
c *SQLiteConn
}
// Stmt struct.
type SQLiteStmt struct {
c *SQLiteConn
s *C.sqlite3_stmt
nv int
nn []string
t string
closed bool
cls bool
}
// Result struct.
type SQLiteResult struct {
id int64
changes int64
}
// Rows struct.
type SQLiteRows struct {
s *SQLiteStmt
nc int
cols []string
decltype []string
cls bool
}
type functionInfo struct {
f reflect.Value
argConverters []callbackArgConverter
variadicConverter callbackArgConverter
retConverter callbackRetConverter
}
func (fi *functionInfo) Call(ctx *C.sqlite3_context, argv []*C.sqlite3_value) {
args, err := callbackConvertArgs(argv, fi.argConverters, fi.variadicConverter)
if err != nil {
callbackError(ctx, err)
return
}
ret := fi.f.Call(args)
if len(ret) == 2 && ret[1].Interface() != nil {
callbackError(ctx, ret[1].Interface().(error))
return
}
err = fi.retConverter(ctx, ret[0])
if err != nil {
callbackError(ctx, err)
return
}
}
type aggInfo struct {
constructor reflect.Value
// Active aggregator objects for aggregations in flight. The
// aggregators are indexed by a counter stored in the aggregation
// user data space provided by sqlite.
active map[int64]reflect.Value
next int64
stepArgConverters []callbackArgConverter
stepVariadicConverter callbackArgConverter
doneRetConverter callbackRetConverter
}
func (ai *aggInfo) agg(ctx *C.sqlite3_context) (int64, reflect.Value, error) {
aggIdx := (*int64)(C.sqlite3_aggregate_context(ctx, C.int(8)))
if *aggIdx == 0 {
*aggIdx = ai.next
ret := ai.constructor.Call(nil)
if len(ret) == 2 && ret[1].Interface() != nil {
return 0, reflect.Value{}, ret[1].Interface().(error)
}
if ret[0].IsNil() {
return 0, reflect.Value{}, errors.New("aggregator constructor returned nil state")
}
ai.next++
ai.active[*aggIdx] = ret[0]
}
return *aggIdx, ai.active[*aggIdx], nil
}
func (ai *aggInfo) Step(ctx *C.sqlite3_context, argv []*C.sqlite3_value) {
_, agg, err := ai.agg(ctx)
if err != nil {
callbackError(ctx, err)
return
}
args, err := callbackConvertArgs(argv, ai.stepArgConverters, ai.stepVariadicConverter)
if err != nil {
callbackError(ctx, err)
return
}
ret := agg.MethodByName("Step").Call(args)
if len(ret) == 1 && ret[0].Interface() != nil {
callbackError(ctx, ret[0].Interface().(error))
return
}
}
func (ai *aggInfo) Done(ctx *C.sqlite3_context) {
idx, agg, err := ai.agg(ctx)
if err != nil {
callbackError(ctx, err)
return
}
defer func() { delete(ai.active, idx) }()
ret := agg.MethodByName("Done").Call(nil)
if len(ret) == 2 && ret[1].Interface() != nil {
callbackError(ctx, ret[1].Interface().(error))
return
}
err = ai.doneRetConverter(ctx, ret[0])
if err != nil {
callbackError(ctx, err)
return
}
}
// Commit transaction.
func (tx *SQLiteTx) Commit() error {
_, err := tx.c.exec("COMMIT")
return err
}
// Rollback transaction.
func (tx *SQLiteTx) Rollback() error {
_, err := tx.c.exec("ROLLBACK")
return err
}
// RegisterFunc makes a Go function available as a SQLite function.
//
// The Go function can have arguments of the following types: any
// numeric type except complex, bool, []byte, string and
// interface{}. interface{} arguments are given the direct translation
// of the SQLite data type: int64 for INTEGER, float64 for FLOAT,
// []byte for BLOB, string for TEXT.
//
// The function can additionally be variadic, as long as the type of
// the variadic argument is one of the above.
//
// If pure is true. SQLite will assume that the function's return
// value depends only on its inputs, and make more aggressive
// optimizations in its queries.
//
// See _example/go_custom_funcs for a detailed example.
func (c *SQLiteConn) RegisterFunc(name string, impl interface{}, pure bool) error {
var fi functionInfo
fi.f = reflect.ValueOf(impl)
t := fi.f.Type()
if t.Kind() != reflect.Func {
return errors.New("Non-function passed to RegisterFunc")
}
if t.NumOut() != 1 && t.NumOut() != 2 {
return errors.New("SQLite functions must return 1 or 2 values")
}
if t.NumOut() == 2 && !t.Out(1).Implements(reflect.TypeOf((*error)(nil)).Elem()) {
return errors.New("Second return value of SQLite function must be error")
}
numArgs := t.NumIn()
if t.IsVariadic() {
numArgs--
}
for i := 0; i < numArgs; i++ {
conv, err := callbackArg(t.In(i))
if err != nil {
return err
}
fi.argConverters = append(fi.argConverters, conv)
}
if t.IsVariadic() {
conv, err := callbackArg(t.In(numArgs).Elem())
if err != nil {
return err
}
fi.variadicConverter = conv
// Pass -1 to sqlite so that it allows any number of
// arguments. The call helper verifies that the minimum number
// of arguments is present for variadic functions.
numArgs = -1
}
conv, err := callbackRet(t.Out(0))
if err != nil {
return err
}
fi.retConverter = conv
// fi must outlast the database connection, or we'll have dangling pointers.
c.funcs = append(c.funcs, &fi)
cname := C.CString(name)
defer C.free(unsafe.Pointer(cname))
opts := C.SQLITE_UTF8
if pure {
opts |= C.SQLITE_DETERMINISTIC
}
rv := C.sqlite3_create_function(c.db, cname, C.int(numArgs), C.int(opts), unsafe.Pointer(&fi), (*[0]byte)(unsafe.Pointer(C.callbackTrampoline)), nil, nil)
if rv != C.SQLITE_OK {
return c.lastError()
}
return nil
}
// RegisterAggregator makes a Go type available as a SQLite aggregation function.
//
// Because aggregation is incremental, it's implemented in Go with a
// type that has 2 methods: func Step(values) accumulates one row of
// data into the accumulator, and func Done() ret finalizes and
// returns the aggregate value. "values" and "ret" may be any type
// supported by RegisterFunc.
//
// RegisterAggregator takes as implementation a constructor function
// that constructs an instance of the aggregator type each time an
// aggregation begins. The constructor must return a pointer to a
// type, or an interface that implements Step() and Done().
//
// The constructor function and the Step/Done methods may optionally
// return an error in addition to their other return values.
//
// See _example/go_custom_funcs for a detailed example.
func (c *SQLiteConn) RegisterAggregator(name string, impl interface{}, pure bool) error {
var ai aggInfo
ai.constructor = reflect.ValueOf(impl)
t := ai.constructor.Type()
if t.Kind() != reflect.Func {
return errors.New("non-function passed to RegisterAggregator")
}
if t.NumOut() != 1 && t.NumOut() != 2 {
return errors.New("SQLite aggregator constructors must return 1 or 2 values")
}
if t.NumOut() == 2 && !t.Out(1).Implements(reflect.TypeOf((*error)(nil)).Elem()) {
return errors.New("Second return value of SQLite function must be error")
}
if t.NumIn() != 0 {
return errors.New("SQLite aggregator constructors must not have arguments")
}
agg := t.Out(0)
switch agg.Kind() {
case reflect.Ptr, reflect.Interface:
default:
return errors.New("SQlite aggregator constructor must return a pointer object")
}
stepFn, found := agg.MethodByName("Step")
if !found {
return errors.New("SQlite aggregator doesn't have a Step() function")
}
step := stepFn.Type
if step.NumOut() != 0 && step.NumOut() != 1 {
return errors.New("SQlite aggregator Step() function must return 0 or 1 values")
}
if step.NumOut() == 1 && !step.Out(0).Implements(reflect.TypeOf((*error)(nil)).Elem()) {
return errors.New("type of SQlite aggregator Step() return value must be error")
}
stepNArgs := step.NumIn()
start := 0
if agg.Kind() == reflect.Ptr {
// Skip over the method receiver
stepNArgs--
start++
}
if step.IsVariadic() {
stepNArgs--
}
for i := start; i < start+stepNArgs; i++ {
conv, err := callbackArg(step.In(i))
if err != nil {
return err
}
ai.stepArgConverters = append(ai.stepArgConverters, conv)
}
if step.IsVariadic() {
conv, err := callbackArg(t.In(start + stepNArgs).Elem())
if err != nil {
return err
}
ai.stepVariadicConverter = conv
// Pass -1 to sqlite so that it allows any number of
// arguments. The call helper verifies that the minimum number
// of arguments is present for variadic functions.
stepNArgs = -1
}
doneFn, found := agg.MethodByName("Done")
if !found {
return errors.New("SQlite aggregator doesn't have a Done() function")
}
done := doneFn.Type
doneNArgs := done.NumIn()
if agg.Kind() == reflect.Ptr {
// Skip over the method receiver
doneNArgs--
}
if doneNArgs != 0 {
return errors.New("SQlite aggregator Done() function must have no arguments")
}
if done.NumOut() != 1 && done.NumOut() != 2 {
return errors.New("SQLite aggregator Done() function must return 1 or 2 values")
}
if done.NumOut() == 2 && !done.Out(1).Implements(reflect.TypeOf((*error)(nil)).Elem()) {
return errors.New("second return value of SQLite aggregator Done() function must be error")
}
conv, err := callbackRet(done.Out(0))
if err != nil {
return err
}
ai.doneRetConverter = conv
ai.active = make(map[int64]reflect.Value)
ai.next = 1
// ai must outlast the database connection, or we'll have dangling pointers.
c.aggregators = append(c.aggregators, &ai)
cname := C.CString(name)
defer C.free(unsafe.Pointer(cname))
opts := C.SQLITE_UTF8
if pure {
opts |= C.SQLITE_DETERMINISTIC
}
rv := C.sqlite3_create_function(c.db, cname, C.int(stepNArgs), C.int(opts), unsafe.Pointer(&ai), nil, (*[0]byte)(unsafe.Pointer(C.stepTrampoline)), (*[0]byte)(unsafe.Pointer(C.doneTrampoline)))
if rv != C.SQLITE_OK {
return c.lastError()
}
return nil
}
// AutoCommit return which currently auto commit or not.
func (c *SQLiteConn) AutoCommit() bool {
return int(C.sqlite3_get_autocommit(c.db)) != 0
}
func (c *SQLiteConn) lastError() Error {
return Error{
Code: ErrNo(C.sqlite3_errcode(c.db)),
ExtendedCode: ErrNoExtended(C.sqlite3_extended_errcode(c.db)),
err: C.GoString(C.sqlite3_errmsg(c.db)),
}
}
// Implements Execer
func (c *SQLiteConn) Exec(query string, args []driver.Value) (driver.Result, error) {
if len(args) == 0 {
return c.exec(query)
}
for {
s, err := c.Prepare(query)
if err != nil {
return nil, err
}
var res driver.Result
if s.(*SQLiteStmt).s != nil {
na := s.NumInput()
if len(args) < na {
return nil, fmt.Errorf("Not enough args to execute query. Expected %d, got %d.", na, len(args))
}
res, err = s.Exec(args[:na])
if err != nil && err != driver.ErrSkip {
s.Close()
return nil, err
}
args = args[na:]
}
tail := s.(*SQLiteStmt).t
s.Close()
if tail == "" {
return res, nil
}
query = tail
}
}
// Implements Queryer
func (c *SQLiteConn) Query(query string, args []driver.Value) (driver.Rows, error) {
for {
s, err := c.Prepare(query)
if err != nil {
return nil, err
}
s.(*SQLiteStmt).cls = true
na := s.NumInput()
if len(args) < na {
return nil, fmt.Errorf("Not enough args to execute query. Expected %d, got %d.", na, len(args))
}
rows, err := s.Query(args[:na])
if err != nil && err != driver.ErrSkip {
s.Close()
return nil, err
}
args = args[na:]
tail := s.(*SQLiteStmt).t
if tail == "" {
return rows, nil
}
rows.Close()
s.Close()
query = tail
}
}
func (c *SQLiteConn) exec(cmd string) (driver.Result, error) {
pcmd := C.CString(cmd)
defer C.free(unsafe.Pointer(pcmd))
var rowid, changes C.longlong
rv := C._sqlite3_exec(c.db, pcmd, &rowid, &changes)
if rv != C.SQLITE_OK {
return nil, c.lastError()
}
return &SQLiteResult{int64(rowid), int64(changes)}, nil
}
// Begin transaction.
func (c *SQLiteConn) Begin() (driver.Tx, error) {
if _, err := c.exec(c.txlock); err != nil {
return nil, err
}
return &SQLiteTx{c}, nil
}
func errorString(err Error) string {
return C.GoString(C.sqlite3_errstr(C.int(err.Code)))
}
// Open database and return a new connection.
// You can specify DSN string with URI filename.
// test.db
// file:test.db?cache=shared&mode=memory
// :memory:
// file::memory:
// go-sqlite3 adds the following query parameters to those used by SQLite:
// _loc=XXX
// Specify location of time format. It's possible to specify "auto".
// _busy_timeout=XXX
// Specify value for sqlite3_busy_timeout.
// _txlock=XXX
// Specify locking behavior for transactions. XXX can be "immediate",
// "deferred", "exclusive".
func (d *SQLiteDriver) Open(dsn string) (driver.Conn, error) {
if C.sqlite3_threadsafe() == 0 {
return nil, errors.New("sqlite library was not compiled for thread-safe operation")
}
var loc *time.Location
txlock := "BEGIN"
busy_timeout := 5000
pos := strings.IndexRune(dsn, '?')
if pos >= 1 {
params, err := url.ParseQuery(dsn[pos+1:])
if err != nil {
return nil, err
}
// _loc
if val := params.Get("_loc"); val != "" {
if val == "auto" {
loc = time.Local
} else {
loc, err = time.LoadLocation(val)
if err != nil {
return nil, fmt.Errorf("Invalid _loc: %v: %v", val, err)
}
}
}
// _busy_timeout
if val := params.Get("_busy_timeout"); val != "" {
iv, err := strconv.ParseInt(val, 10, 64)
if err != nil {
return nil, fmt.Errorf("Invalid _busy_timeout: %v: %v", val, err)
}
busy_timeout = int(iv)
}
// _txlock
if val := params.Get("_txlock"); val != "" {
switch val {
case "immediate":
txlock = "BEGIN IMMEDIATE"
case "exclusive":
txlock = "BEGIN EXCLUSIVE"
case "deferred":
txlock = "BEGIN"
default:
return nil, fmt.Errorf("Invalid _txlock: %v", val)
}
}
if !strings.HasPrefix(dsn, "file:") {
dsn = dsn[:pos]
}
}
var db *C.sqlite3
name := C.CString(dsn)
defer C.free(unsafe.Pointer(name))
rv := C._sqlite3_open_v2(name, &db,
C.SQLITE_OPEN_FULLMUTEX|
C.SQLITE_OPEN_READWRITE|
C.SQLITE_OPEN_CREATE,
nil)
if rv != 0 {
return nil, Error{Code: ErrNo(rv)}
}
if db == nil {
return nil, errors.New("sqlite succeeded without returning a database")
}
rv = C.sqlite3_busy_timeout(db, C.int(busy_timeout))
if rv != C.SQLITE_OK {
return nil, Error{Code: ErrNo(rv)}
}
conn := &SQLiteConn{db: db, loc: loc, txlock: txlock}
if len(d.Extensions) > 0 {
if err := conn.loadExtensions(d.Extensions); err != nil {
return nil, err
}
}
if d.ConnectHook != nil {
if err := d.ConnectHook(conn); err != nil {
return nil, err
}
}
runtime.SetFinalizer(conn, (*SQLiteConn).Close)
return conn, nil
}
// Close the connection.
func (c *SQLiteConn) Close() error {
rv := C.sqlite3_close_v2(c.db)
if rv != C.SQLITE_OK {
return c.lastError()
}
c.db = nil
runtime.SetFinalizer(c, nil)
return nil
}
// Prepare query string. Return a new statement.
func (c *SQLiteConn) Prepare(query string) (driver.Stmt, error) {
pquery := C.CString(query)
defer C.free(unsafe.Pointer(pquery))
var s *C.sqlite3_stmt
var tail *C.char
rv := C.sqlite3_prepare_v2(c.db, pquery, -1, &s, &tail)
if rv != C.SQLITE_OK {
return nil, c.lastError()
}
var t string
if tail != nil && *tail != '\000' {
t = strings.TrimSpace(C.GoString(tail))
}
nv := int(C.sqlite3_bind_parameter_count(s))
var nn []string
for i := 0; i < nv; i++ {
pn := C.GoString(C.sqlite3_bind_parameter_name(s, C.int(i+1)))
if len(pn) > 1 && pn[0] == '$' && 48 <= pn[1] && pn[1] <= 57 {
nn = append(nn, C.GoString(C.sqlite3_bind_parameter_name(s, C.int(i+1))))
}
}
ss := &SQLiteStmt{c: c, s: s, nv: nv, nn: nn, t: t}
runtime.SetFinalizer(ss, (*SQLiteStmt).Close)
return ss, nil
}
// Close the statement.
func (s *SQLiteStmt) Close() error {
if s.closed {
return nil
}
s.closed = true
if s.c == nil || s.c.db == nil {
return errors.New("sqlite statement with already closed database connection")
}
rv := C.sqlite3_finalize(s.s)
if rv != C.SQLITE_OK {
return s.c.lastError()
}
runtime.SetFinalizer(s, nil)
return nil
}
// Return a number of parameters.
func (s *SQLiteStmt) NumInput() int {
return s.nv
}
type bindArg struct {
n int
v driver.Value
}
func (s *SQLiteStmt) bind(args []driver.Value) error {
rv := C.sqlite3_reset(s.s)
if rv != C.SQLITE_ROW && rv != C.SQLITE_OK && rv != C.SQLITE_DONE {
return s.c.lastError()
}
var vargs []bindArg
narg := len(args)
vargs = make([]bindArg, narg)
if len(s.nn) > 0 {
for i, v := range s.nn {
if pi, err := strconv.Atoi(v[1:]); err == nil {
vargs[i] = bindArg{pi, args[i]}
}
}
} else {
for i, v := range args {
vargs[i] = bindArg{i + 1, v}
}
}
for _, varg := range vargs {
n := C.int(varg.n)
v := varg.v
switch v := v.(type) {
case nil:
rv = C.sqlite3_bind_null(s.s, n)
case string:
if len(v) == 0 {
b := []byte{0}
rv = C._sqlite3_bind_text(s.s, n, (*C.char)(unsafe.Pointer(&b[0])), C.int(0))
} else {
b := []byte(v)
rv = C._sqlite3_bind_text(s.s, n, (*C.char)(unsafe.Pointer(&b[0])), C.int(len(b)))
}
case int64:
rv = C.sqlite3_bind_int64(s.s, n, C.sqlite3_int64(v))
case bool:
if bool(v) {
rv = C.sqlite3_bind_int(s.s, n, 1)
} else {
rv = C.sqlite3_bind_int(s.s, n, 0)
}
case float64:
rv = C.sqlite3_bind_double(s.s, n, C.double(v))
case []byte:
var p *byte
if len(v) > 0 {
p = &v[0]
}
rv = C._sqlite3_bind_blob(s.s, n, unsafe.Pointer(p), C.int(len(v)))
case time.Time:
b := []byte(v.Format(SQLiteTimestampFormats[0]))
rv = C._sqlite3_bind_text(s.s, n, (*C.char)(unsafe.Pointer(&b[0])), C.int(len(b)))
}
if rv != C.SQLITE_OK {
return s.c.lastError()
}
}
return nil
}
// Query the statement with arguments. Return records.
func (s *SQLiteStmt) Query(args []driver.Value) (driver.Rows, error) {
if err := s.bind(args); err != nil {
return nil, err
}
return &SQLiteRows{s, int(C.sqlite3_column_count(s.s)), nil, nil, s.cls}, nil
}
// Return last inserted ID.
func (r *SQLiteResult) LastInsertId() (int64, error) {
return r.id, nil
}
// Return how many rows affected.
func (r *SQLiteResult) RowsAffected() (int64, error) {
return r.changes, nil
}
// Execute the statement with arguments. Return result object.
func (s *SQLiteStmt) Exec(args []driver.Value) (driver.Result, error) {
if err := s.bind(args); err != nil {
C.sqlite3_reset(s.s)
C.sqlite3_clear_bindings(s.s)
return nil, err
}
var rowid, changes C.longlong
rv := C._sqlite3_step(s.s, &rowid, &changes)
if rv != C.SQLITE_ROW && rv != C.SQLITE_OK && rv != C.SQLITE_DONE {
err := s.c.lastError()
C.sqlite3_reset(s.s)
C.sqlite3_clear_bindings(s.s)
return nil, err
}
return &SQLiteResult{int64(rowid), int64(changes)}, nil
}
// Close the rows.
func (rc *SQLiteRows) Close() error {
if rc.s.closed {
return nil
}
if rc.cls {
return rc.s.Close()
}
rv := C.sqlite3_reset(rc.s.s)
if rv != C.SQLITE_OK {
return rc.s.c.lastError()
}
return nil
}
// Return column names.
func (rc *SQLiteRows) Columns() []string {
if rc.nc != len(rc.cols) {
rc.cols = make([]string, rc.nc)
for i := 0; i < rc.nc; i++ {
rc.cols[i] = C.GoString(C.sqlite3_column_name(rc.s.s, C.int(i)))
}
}
return rc.cols
}
// Move cursor to next.
func (rc *SQLiteRows) Next(dest []driver.Value) error {
rv := C.sqlite3_step(rc.s.s)
if rv == C.SQLITE_DONE {
return io.EOF
}
if rv != C.SQLITE_ROW {
rv = C.sqlite3_reset(rc.s.s)
if rv != C.SQLITE_OK {
return rc.s.c.lastError()
}
return nil
}
if rc.decltype == nil {
rc.decltype = make([]string, rc.nc)
for i := 0; i < rc.nc; i++ {
rc.decltype[i] = strings.ToLower(C.GoString(C.sqlite3_column_decltype(rc.s.s, C.int(i))))
}
}
for i := range dest {
switch C.sqlite3_column_type(rc.s.s, C.int(i)) {
case C.SQLITE_INTEGER:
val := int64(C.sqlite3_column_int64(rc.s.s, C.int(i)))
switch rc.decltype[i] {
case "timestamp", "datetime", "date":
var t time.Time
// Assume a millisecond unix timestamp if it's 13 digits -- too
// large to be a reasonable timestamp in seconds.
if val > 1e12 || val < -1e12 {
val *= int64(time.Millisecond) // convert ms to nsec
} else {
val *= int64(time.Second) // convert sec to nsec
}
t = time.Unix(0, val).UTC()
if rc.s.c.loc != nil {
t = t.In(rc.s.c.loc)
}
dest[i] = t
case "boolean":
dest[i] = val > 0
default:
dest[i] = val
}
case C.SQLITE_FLOAT:
dest[i] = float64(C.sqlite3_column_double(rc.s.s, C.int(i)))
case C.SQLITE_BLOB:
p := C.sqlite3_column_blob(rc.s.s, C.int(i))
if p == nil {
dest[i] = nil
continue
}
n := int(C.sqlite3_column_bytes(rc.s.s, C.int(i)))
switch dest[i].(type) {
case sql.RawBytes:
dest[i] = (*[1 << 30]byte)(unsafe.Pointer(p))[0:n]
default:
slice := make([]byte, n)
copy(slice[:], (*[1 << 30]byte)(unsafe.Pointer(p))[0:n])
dest[i] = slice
}
case C.SQLITE_NULL:
dest[i] = nil
case C.SQLITE_TEXT:
var err error
var timeVal time.Time
n := int(C.sqlite3_column_bytes(rc.s.s, C.int(i)))
s := C.GoStringN((*C.char)(unsafe.Pointer(C.sqlite3_column_text(rc.s.s, C.int(i)))), C.int(n))
switch rc.decltype[i] {
case "timestamp", "datetime", "date":
var t time.Time
s = strings.TrimSuffix(s, "Z")
for _, format := range SQLiteTimestampFormats {
if timeVal, err = time.ParseInLocation(format, s, time.UTC); err == nil {
t = timeVal
break
}
}
if err != nil {
// The column is a time value, so return the zero time on parse failure.
t = time.Time{}
}
if rc.s.c.loc != nil {
t = t.In(rc.s.c.loc)
}
dest[i] = t
default:
dest[i] = []byte(s)
}
}
}
return nil
}

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// Copyright (C) 2014 Yasuhiro Matsumoto <mattn.jp@gmail.com>.
//
// Use of this source code is governed by an MIT-style
// license that can be found in the LICENSE file.
// +build icu
package sqlite3
/*
#cgo LDFLAGS: -licuuc -licui18n
#cgo CFLAGS: -DSQLITE_ENABLE_ICU
*/
import "C"

13
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// Copyright (C) 2014 Yasuhiro Matsumoto <mattn.jp@gmail.com>.
//
// Use of this source code is governed by an MIT-style
// license that can be found in the LICENSE file.
// +build libsqlite3
package sqlite3
/*
#cgo CFLAGS: -DUSE_LIBSQLITE3
#cgo LDFLAGS: -lsqlite3
*/
import "C"

39
Godeps/_workspace/src/github.com/mattn/go-sqlite3/sqlite3_load_extension.go generated vendored Normal file
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// Copyright (C) 2014 Yasuhiro Matsumoto <mattn.jp@gmail.com>.
//
// Use of this source code is governed by an MIT-style
// license that can be found in the LICENSE file.
// +build !sqlite_omit_load_extension
package sqlite3
/*
#include <sqlite3-binding.h>
#include <stdlib.h>
*/
import "C"
import (
"errors"
"unsafe"
)
func (c *SQLiteConn) loadExtensions(extensions []string) error {
rv := C.sqlite3_enable_load_extension(c.db, 1)
if rv != C.SQLITE_OK {
return errors.New(C.GoString(C.sqlite3_errmsg(c.db)))
}
for _, extension := range extensions {
cext := C.CString(extension)
defer C.free(unsafe.Pointer(cext))
rv = C.sqlite3_load_extension(c.db, cext, nil, nil)
if rv != C.SQLITE_OK {
return errors.New(C.GoString(C.sqlite3_errmsg(c.db)))
}
}
rv = C.sqlite3_enable_load_extension(c.db, 0)
if rv != C.SQLITE_OK {
return errors.New(C.GoString(C.sqlite3_errmsg(c.db)))
}
return nil
}

19
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// Copyright (C) 2014 Yasuhiro Matsumoto <mattn.jp@gmail.com>.
//
// Use of this source code is governed by an MIT-style
// license that can be found in the LICENSE file.
// +build sqlite_omit_load_extension
package sqlite3
/*
#cgo CFLAGS: -DSQLITE_OMIT_LOAD_EXTENSION
*/
import "C"
import (
"errors"
)
func (c *SQLiteConn) loadExtensions(extensions []string) error {
return errors.New("Extensions have been disabled for static builds")
}

13
Godeps/_workspace/src/github.com/mattn/go-sqlite3/sqlite3_other.go generated vendored Normal file
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// Copyright (C) 2014 Yasuhiro Matsumoto <mattn.jp@gmail.com>.
//
// Use of this source code is governed by an MIT-style
// license that can be found in the LICENSE file.
// +build !windows
package sqlite3
/*
#cgo CFLAGS: -I.
#cgo linux LDFLAGS: -ldl
*/
import "C"

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Godeps/_workspace/src/github.com/mattn/go-sqlite3/sqlite3_test/sqltest.go generated vendored Normal file
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package sqlite3_test
import (
"database/sql"
"fmt"
"math/rand"
"regexp"
"strconv"
"sync"
"testing"
"time"
)
type Dialect int
const (
SQLITE Dialect = iota
POSTGRESQL
MYSQL
)
type DB struct {
*testing.T
*sql.DB
dialect Dialect
once sync.Once
}
var db *DB
// the following tables will be created and dropped during the test
var testTables = []string{"foo", "bar", "t", "bench"}
var tests = []testing.InternalTest{
{"TestBlobs", TestBlobs},
{"TestManyQueryRow", TestManyQueryRow},
{"TestTxQuery", TestTxQuery},
{"TestPreparedStmt", TestPreparedStmt},
}
var benchmarks = []testing.InternalBenchmark{
{"BenchmarkExec", BenchmarkExec},
{"BenchmarkQuery", BenchmarkQuery},
{"BenchmarkParams", BenchmarkParams},
{"BenchmarkStmt", BenchmarkStmt},
{"BenchmarkRows", BenchmarkRows},
{"BenchmarkStmtRows", BenchmarkStmtRows},
}
// RunTests runs the SQL test suite
func RunTests(t *testing.T, d *sql.DB, dialect Dialect) {
db = &DB{t, d, dialect, sync.Once{}}
testing.RunTests(func(string, string) (bool, error) { return true, nil }, tests)
if !testing.Short() {
for _, b := range benchmarks {
fmt.Printf("%-20s", b.Name)
r := testing.Benchmark(b.F)
fmt.Printf("%10d %10.0f req/s\n", r.N, float64(r.N)/r.T.Seconds())
}
}
db.tearDown()
}
func (db *DB) mustExec(sql string, args ...interface{}) sql.Result {
res, err := db.Exec(sql, args...)
if err != nil {
db.Fatalf("Error running %q: %v", sql, err)
}
return res
}
func (db *DB) tearDown() {
for _, tbl := range testTables {
switch db.dialect {
case SQLITE:
db.mustExec("drop table if exists " + tbl)
case MYSQL, POSTGRESQL:
db.mustExec("drop table if exists " + tbl)
default:
db.Fatal("unkown dialect")
}
}
}
// q replaces ? parameters if needed
func (db *DB) q(sql string) string {
switch db.dialect {
case POSTGRESQL: // repace with $1, $2, ..
qrx := regexp.MustCompile(`\?`)
n := 0
return qrx.ReplaceAllStringFunc(sql, func(string) string {
n++
return "$" + strconv.Itoa(n)
})
}
return sql
}
func (db *DB) blobType(size int) string {
switch db.dialect {
case SQLITE:
return fmt.Sprintf("blob[%d]", size)
case POSTGRESQL:
return "bytea"
case MYSQL:
return fmt.Sprintf("VARBINARY(%d)", size)
}
panic("unkown dialect")
}
func (db *DB) serialPK() string {
switch db.dialect {
case SQLITE:
return "integer primary key autoincrement"
case POSTGRESQL:
return "serial primary key"
case MYSQL:
return "integer primary key auto_increment"
}
panic("unkown dialect")
}
func (db *DB) now() string {
switch db.dialect {
case SQLITE:
return "datetime('now')"
case POSTGRESQL:
return "now()"
case MYSQL:
return "now()"
}
panic("unkown dialect")
}
func makeBench() {
if _, err := db.Exec("create table bench (n varchar(32), i integer, d double, s varchar(32), t datetime)"); err != nil {
panic(err)
}
st, err := db.Prepare("insert into bench values (?, ?, ?, ?, ?)")
if err != nil {
panic(err)
}
defer st.Close()
for i := 0; i < 100; i++ {
if _, err = st.Exec(nil, i, float64(i), fmt.Sprintf("%d", i), time.Now()); err != nil {
panic(err)
}
}
}
func TestResult(t *testing.T) {
db.tearDown()
db.mustExec("create temporary table test (id " + db.serialPK() + ", name varchar(10))")
for i := 1; i < 3; i++ {
r := db.mustExec(db.q("insert into test (name) values (?)"), fmt.Sprintf("row %d", i))
n, err := r.RowsAffected()
if err != nil {
t.Fatal(err)
}
if n != 1 {
t.Errorf("got %v, want %v", n, 1)
}
n, err = r.LastInsertId()
if err != nil {
t.Fatal(err)
}
if n != int64(i) {
t.Errorf("got %v, want %v", n, i)
}
}
if _, err := db.Exec("error!"); err == nil {
t.Fatalf("expected error")
}
}
func TestBlobs(t *testing.T) {
db.tearDown()
var blob = []byte{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15}
db.mustExec("create table foo (id integer primary key, bar " + db.blobType(16) + ")")
db.mustExec(db.q("insert into foo (id, bar) values(?,?)"), 0, blob)
want := fmt.Sprintf("%x", blob)
b := make([]byte, 16)
err := db.QueryRow(db.q("select bar from foo where id = ?"), 0).Scan(&b)
got := fmt.Sprintf("%x", b)
if err != nil {
t.Errorf("[]byte scan: %v", err)
} else if got != want {
t.Errorf("for []byte, got %q; want %q", got, want)
}
err = db.QueryRow(db.q("select bar from foo where id = ?"), 0).Scan(&got)
want = string(blob)
if err != nil {
t.Errorf("string scan: %v", err)
} else if got != want {
t.Errorf("for string, got %q; want %q", got, want)
}
}
func TestManyQueryRow(t *testing.T) {
if testing.Short() {
t.Log("skipping in short mode")
return
}
db.tearDown()
db.mustExec("create table foo (id integer primary key, name varchar(50))")
db.mustExec(db.q("insert into foo (id, name) values(?,?)"), 1, "bob")
var name string
for i := 0; i < 10000; i++ {
err := db.QueryRow(db.q("select name from foo where id = ?"), 1).Scan(&name)
if err != nil || name != "bob" {
t.Fatalf("on query %d: err=%v, name=%q", i, err, name)
}
}
}
func TestTxQuery(t *testing.T) {
db.tearDown()
tx, err := db.Begin()
if err != nil {
t.Fatal(err)
}
defer tx.Rollback()
_, err = tx.Exec("create table foo (id integer primary key, name varchar(50))")
if err != nil {
t.Fatal(err)
}
_, err = tx.Exec(db.q("insert into foo (id, name) values(?,?)"), 1, "bob")
if err != nil {
t.Fatal(err)
}
r, err := tx.Query(db.q("select name from foo where id = ?"), 1)
if err != nil {
t.Fatal(err)
}
defer r.Close()
if !r.Next() {
if r.Err() != nil {
t.Fatal(err)
}
t.Fatal("expected one rows")
}
var name string
err = r.Scan(&name)
if err != nil {
t.Fatal(err)
}
}
func TestPreparedStmt(t *testing.T) {
db.tearDown()
db.mustExec("CREATE TABLE t (count INT)")
sel, err := db.Prepare("SELECT count FROM t ORDER BY count DESC")
if err != nil {
t.Fatalf("prepare 1: %v", err)
}
ins, err := db.Prepare(db.q("INSERT INTO t (count) VALUES (?)"))
if err != nil {
t.Fatalf("prepare 2: %v", err)
}
for n := 1; n <= 3; n++ {
if _, err := ins.Exec(n); err != nil {
t.Fatalf("insert(%d) = %v", n, err)
}
}
const nRuns = 10
var wg sync.WaitGroup
for i := 0; i < nRuns; i++ {
wg.Add(1)
go func() {
defer wg.Done()
for j := 0; j < 10; j++ {
count := 0
if err := sel.QueryRow().Scan(&count); err != nil && err != sql.ErrNoRows {
t.Errorf("Query: %v", err)
return
}
if _, err := ins.Exec(rand.Intn(100)); err != nil {
t.Errorf("Insert: %v", err)
return
}
}
}()
}
wg.Wait()
}
// Benchmarks need to use panic() since b.Error errors are lost when
// running via testing.Benchmark() I would like to run these via go
// test -bench but calling Benchmark() from a benchmark test
// currently hangs go.
func BenchmarkExec(b *testing.B) {
for i := 0; i < b.N; i++ {
if _, err := db.Exec("select 1"); err != nil {
panic(err)
}
}
}
func BenchmarkQuery(b *testing.B) {
for i := 0; i < b.N; i++ {
var n sql.NullString
var i int
var f float64
var s string
// var t time.Time
if err := db.QueryRow("select null, 1, 1.1, 'foo'").Scan(&n, &i, &f, &s); err != nil {
panic(err)
}
}
}
func BenchmarkParams(b *testing.B) {
for i := 0; i < b.N; i++ {
var n sql.NullString
var i int
var f float64
var s string
// var t time.Time
if err := db.QueryRow("select ?, ?, ?, ?", nil, 1, 1.1, "foo").Scan(&n, &i, &f, &s); err != nil {
panic(err)
}
}
}
func BenchmarkStmt(b *testing.B) {
st, err := db.Prepare("select ?, ?, ?, ?")
if err != nil {
panic(err)
}
defer st.Close()
for n := 0; n < b.N; n++ {
var n sql.NullString
var i int
var f float64
var s string
// var t time.Time
if err := st.QueryRow(nil, 1, 1.1, "foo").Scan(&n, &i, &f, &s); err != nil {
panic(err)
}
}
}
func BenchmarkRows(b *testing.B) {
db.once.Do(makeBench)
for n := 0; n < b.N; n++ {
var n sql.NullString
var i int
var f float64
var s string
var t time.Time
r, err := db.Query("select * from bench")
if err != nil {
panic(err)
}
for r.Next() {
if err = r.Scan(&n, &i, &f, &s, &t); err != nil {
panic(err)
}
}
if err = r.Err(); err != nil {
panic(err)
}
}
}
func BenchmarkStmtRows(b *testing.B) {
db.once.Do(makeBench)
st, err := db.Prepare("select * from bench")
if err != nil {
panic(err)
}
defer st.Close()
for n := 0; n < b.N; n++ {
var n sql.NullString
var i int
var f float64
var s string
var t time.Time
r, err := st.Query()
if err != nil {
panic(err)
}
for r.Next() {
if err = r.Scan(&n, &i, &f, &s, &t); err != nil {
panic(err)
}
}
if err = r.Err(); err != nil {
panic(err)
}
}
}

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Godeps/_workspace/src/github.com/mattn/go-sqlite3/sqlite3_windows.go generated vendored Normal file
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// Copyright (C) 2014 Yasuhiro Matsumoto <mattn.jp@gmail.com>.
//
// Use of this source code is governed by an MIT-style
// license that can be found in the LICENSE file.
// +build windows
package sqlite3
/*
#cgo CFLAGS: -I. -fno-stack-check -fno-stack-protector -mno-stack-arg-probe
#cgo windows,386 CFLAGS: -D_localtime32=localtime
#cgo LDFLAGS: -lmingwex -lmingw32
*/
import "C"