56 lines
2.2 KiB
Ruby
56 lines
2.2 KiB
Ruby
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# frozen_string_literal: true
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class ExtendPostgresIndexesView < ActiveRecord::Migration[6.0]
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DOWNTIME = false
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def up
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execute(<<~SQL)
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DROP VIEW postgres_indexes;
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CREATE VIEW postgres_indexes AS
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SELECT (pg_namespace.nspname::text || '.'::text) || pg_class.relname::text AS identifier,
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pg_index.indexrelid,
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pg_namespace.nspname AS schema,
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pg_class.relname AS name,
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pg_index.indisunique AS "unique",
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pg_index.indisvalid AS valid_index,
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pg_class.relispartition AS partitioned,
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pg_index.indisexclusion AS exclusion,
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pg_index.indexprs IS NOT NULL as expression,
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pg_index.indpred IS NOT NULL as partial,
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pg_indexes.indexdef AS definition,
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pg_relation_size(pg_class.oid::regclass) AS ondisk_size_bytes
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FROM pg_index
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JOIN pg_class ON pg_class.oid = pg_index.indexrelid
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JOIN pg_namespace ON pg_class.relnamespace = pg_namespace.oid
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JOIN pg_indexes ON pg_class.relname = pg_indexes.indexname
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WHERE pg_namespace.nspname <> 'pg_catalog'::name
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AND (pg_namespace.nspname = ANY (ARRAY["current_schema"(), 'gitlab_partitions_dynamic'::name, 'gitlab_partitions_static'::name]));
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SQL
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end
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def down
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execute(<<~SQL)
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DROP VIEW postgres_indexes;
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CREATE VIEW postgres_indexes AS
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SELECT (pg_namespace.nspname::text || '.'::text) || pg_class.relname::text AS identifier,
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pg_index.indexrelid,
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pg_namespace.nspname AS schema,
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pg_class.relname AS name,
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pg_index.indisunique AS "unique",
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pg_index.indisvalid AS valid_index,
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pg_class.relispartition AS partitioned,
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pg_index.indisexclusion AS exclusion,
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pg_indexes.indexdef AS definition,
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pg_relation_size(pg_class.oid::regclass) AS ondisk_size_bytes
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FROM pg_index
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JOIN pg_class ON pg_class.oid = pg_index.indexrelid
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JOIN pg_namespace ON pg_class.relnamespace = pg_namespace.oid
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JOIN pg_indexes ON pg_class.relname = pg_indexes.indexname
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WHERE pg_namespace.nspname <> 'pg_catalog'::name
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AND (pg_namespace.nspname = ANY (ARRAY["current_schema"(), 'gitlab_partitions_dynamic'::name, 'gitlab_partitions_static'::name]));
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SQL
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end
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end
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