PostgreSQL,MySQL,Comments

"(?s)^SET search_path = (.*?), pg_catalog;$",USE \1;,

(?s)(?<=^USE )public(?=;$),default_schema,

(?s)^SET\b.*?;$,,

(?s)^(?:GRANT|REVOKE)\b.*?;$,,

(?s)^(?:CREATE|ALTER) (?:AGGREGATE|PROCEDURAL LANGUAGE|SEQUENCE|(?:CONSTRAINT )?TRIGGER|TYPE|VIEW)\b.*?;$,,

(?s)^CREATE FUNCTION\b.*?(\$\w*\$).*?\1;$,,

(?s)^COMMENT\b.*?';$,,

(?s)^ALTER TABLE\b[^;]*\bSET DEFAULT nextval\([^;]*\).*?;$,,

(?s)^CREATE\b[^;]*\bINDEX\b[^;]*\([^;]*\(.*?;$,,

^(CREATE\b[^;]*\bINDEX\b[^;]*\b)USING \w+,\1,

(?s)^CREATE\b[^;]*\bINDEX\b[^;]*\bWHERE\b.*?;$,,

(?<=\bALTER TABLE )ONLY ,,

\bINHERITS \(.*?\),,

\[\],,arrays

(?s)^COPY\b.*?^\\\.$,,

^SELECT pg_catalog.setval\b.*?;$,,

,,syntax changes

^--(?=\S),\g<0> ,

"""([^""]*?)""",`\1`,

(?<=DEFAULT )(\d+|'[^']*')::\w+(?: [a-z]+)*,\1,

(\d+|'[^']*')::(\w+(?: \w+)*),CAST(\1 AS \2),

,,datatypes

\bserial( NOT NULL\b)?,int(11)\1 AUTO_INCREMENT,

oid,int(11),

integer,int(11),

boolean,int(1),

bytea,blob,

 with time zone\b,,

fulltext,`\g<0>`,

\btimestamp\b(?: with time zone\b)?(?! NOT NULL\b),\g<0> NULL,

^( *`?[a-z]\w*`? )(?!(?:date|datetime|double|int|text|time|timestamp)\b)\w+(?=\b[^;]*^\);),\1text,custom types