27 lines
1.1 KiB
MySQL
27 lines
1.1 KiB
MySQL
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-- Unindexed FK -- Missing indexes - For CI
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WITH y AS (
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SELECT
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pg_catalog.format('%I', c1.relname) AS referencing_tbl,
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pg_catalog.quote_ident(a1.attname) AS referencing_column,
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(SELECT pg_get_expr(indpred, indrelid) FROM pg_catalog.pg_index WHERE indrelid = t.conrelid AND indkey[0] = t.conkey[1] AND indpred IS NOT NULL LIMIT 1) partial_statement
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FROM pg_catalog.pg_constraint t
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JOIN pg_catalog.pg_attribute a1 ON a1.attrelid = t.conrelid AND a1.attnum = t.conkey[1]
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JOIN pg_catalog.pg_class c1 ON c1.oid = t.conrelid
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JOIN pg_catalog.pg_namespace n1 ON n1.oid = c1.relnamespace
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JOIN pg_catalog.pg_class c2 ON c2.oid = t.confrelid
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JOIN pg_catalog.pg_namespace n2 ON n2.oid = c2.relnamespace
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JOIN pg_catalog.pg_attribute a2 ON a2.attrelid = t.confrelid AND a2.attnum = t.confkey[1]
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WHERE t.contype = 'f'
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AND NOT EXISTS (
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SELECT 1
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FROM pg_catalog.pg_index i
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WHERE i.indrelid = t.conrelid
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AND i.indkey[0] = t.conkey[1]
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AND indpred IS NULL
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)
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)
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SELECT referencing_tbl || '.' || referencing_column as "column"
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FROM y
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WHERE (partial_statement IS NULL OR partial_statement <> ('(' || referencing_column || ' IS NOT NULL)'))
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ORDER BY 1;
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