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Postgres list all constraints
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-- http://tatiyants.com/pev/ | |
EXPLAIN (COSTS OFF) | |
EXPLAIN (ANALYZE, COSTS, VERBOSE, BUFFERS, FORMAT JSON) | |
-- realizar a analise da query lenta | |
explain (analyze,buffers,timing) DELETE FROM indicador_pessoal_versao where id = 'c5df0553-612c-4a89-9d48-131890efff92' | |
-- https://www.cybertec-postgresql.com/en/avoid-or-for-better-performance/ | |
--https://stackoverflow.com/questions/21968595/postgres-slow-query-slow-index-scan | |
-- CASO HAJA TRIGGER OU ALGUMA REFERENCIA LENTA, BASTA IDENTIFICAR À QUAL TABELA PERTENCE E CRIAR O INDICE | |
SELECT | |
tc.constraint_name, tc.table_name, kcu.column_name, | |
ccu.table_name AS foreign_table_name, | |
ccu.column_name AS foreign_column_name | |
FROM | |
information_schema.table_constraints AS tc | |
JOIN information_schema.key_column_usage AS kcu | |
ON tc.constraint_name = kcu.constraint_name | |
JOIN information_schema.constraint_column_usage AS ccu | |
ON ccu.constraint_name = tc.constraint_name | |
WHERE constraint_type = 'FOREIGN KEY' or tc.constraint_name = 'constraint_name' |
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