Windshaft-cartodb/test/support/sql/CDB_QueryStatements.sql

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-- Return an array of statements found in the given query text
--
-- Regexp curtesy of Hubert Lubaczewski (depesz)
-- Implemented in plpython for performance reasons
--
CREATE OR REPLACE FUNCTION CDB_QueryStatements(query text)
RETURNS SETOF TEXT AS $$
import re
pat = re.compile( r'''((?:[^'"$;]+|"[^"]*"|'[^']*'|(\$[^$]*\$).*?\2)+)''', re.DOTALL )
for match in pat.findall(query):
cleaned = match[0].strip()
if ( cleaned ):
yield cleaned
$$ language 'plpythonu' IMMUTABLE STRICT;