[DATABASE/POSTGRESQL] 인덱스 정보 조회하기

SELECT
    A.TABLENAME
   ,A.INDEXNAME
   ,B.COLUMN_NAME
FROM  PG_CATALOG.PG_INDEXES      A
     ,INFORMATION_SCHEMA.COLUMNS B
WHERE A.SCHEMANAME = 'public'
AND   A.TABLENAME = B.TABLE_NAME
ORDER BY
    A.TABLENAME ASC
   ,A.INDEXNAME ASC
   ,B.COLUMN_NAME;