pgadmin4/web/pgadmin/utils/sqlautocomplete/parseutils/__init__.py

23 lines
801 B
Python

import sqlparse
def query_starts_with(query, prefixes):
"""Check if the query starts with any item from *prefixes*."""
prefixes = [prefix.lower() for prefix in prefixes]
formatted_sql = sqlparse.format(query.lower(), strip_comments=True)
return bool(formatted_sql) and formatted_sql.split()[0] in prefixes
def queries_start_with(queries, prefixes):
"""Check if any queries start with any item from *prefixes*."""
for query in sqlparse.split(queries):
if query and query_starts_with(query, prefixes) is True:
return True
return False
def is_destructive(queries):
"""Returns if any of the queries in *queries* is destructive."""
keywords = ('drop', 'shutdown', 'delete', 'truncate', 'alter')
return queries_start_with(queries, keywords)