mirror of https://github.com/apache/superset.git
1192 lines
27 KiB
Python
1192 lines
27 KiB
Python
# Licensed to the Apache Software Foundation (ASF) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The ASF licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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# pylint: disable=invalid-name
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import unittest
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from typing import Set
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import pytest
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import sqlparse
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from superset.exceptions import QueryClauseValidationException
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from superset.sql_parse import (
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ParsedQuery,
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strip_comments_from_sql,
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Table,
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validate_filter_clause,
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)
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def extract_tables(query: str) -> Set[Table]:
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"""
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Helper function to extract tables referenced in a query.
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"""
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return ParsedQuery(query).tables
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def test_table() -> None:
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"""
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Test the ``Table`` class and its string conversion.
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Special characters in the table, schema, or catalog name should be escaped correctly.
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"""
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assert str(Table("tbname")) == "tbname"
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assert str(Table("tbname", "schemaname")) == "schemaname.tbname"
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assert (
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str(Table("tbname", "schemaname", "catalogname"))
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== "catalogname.schemaname.tbname"
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)
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assert (
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str(Table("table.name", "schema/name", "catalog\nname"))
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== "catalog%0Aname.schema%2Fname.table%2Ename"
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)
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def test_extract_tables() -> None:
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"""
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Test that referenced tables are parsed correctly from the SQL.
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"""
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assert extract_tables("SELECT * FROM tbname") == {Table("tbname")}
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assert extract_tables("SELECT * FROM tbname foo") == {Table("tbname")}
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assert extract_tables("SELECT * FROM tbname AS foo") == {Table("tbname")}
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# underscore
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assert extract_tables("SELECT * FROM tb_name") == {Table("tb_name")}
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# quotes
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assert extract_tables('SELECT * FROM "tbname"') == {Table("tbname")}
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# unicode
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assert extract_tables('SELECT * FROM "tb_name" WHERE city = "Lübeck"') == {
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Table("tb_name")
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}
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# columns
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assert extract_tables("SELECT field1, field2 FROM tb_name") == {Table("tb_name")}
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assert extract_tables("SELECT t1.f1, t2.f2 FROM t1, t2") == {
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Table("t1"),
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Table("t2"),
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}
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# named table
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assert extract_tables("SELECT a.date, a.field FROM left_table a LIMIT 10") == {
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Table("left_table")
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}
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# reverse select
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assert extract_tables("FROM t1 SELECT field") == {Table("t1")}
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def test_extract_tables_subselect() -> None:
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"""
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Test that tables inside subselects are parsed correctly.
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"""
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assert (
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extract_tables(
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"""
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SELECT sub.*
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FROM (
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SELECT *
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FROM s1.t1
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WHERE day_of_week = 'Friday'
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) sub, s2.t2
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WHERE sub.resolution = 'NONE'
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"""
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)
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== {Table("t1", "s1"), Table("t2", "s2")}
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)
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assert (
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extract_tables(
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"""
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SELECT sub.*
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FROM (
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SELECT *
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FROM s1.t1
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WHERE day_of_week = 'Friday'
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) sub
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WHERE sub.resolution = 'NONE'
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"""
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)
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== {Table("t1", "s1")}
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)
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assert (
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extract_tables(
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"""
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SELECT * FROM t1
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WHERE s11 > ANY (
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SELECT COUNT(*) /* no hint */ FROM t2
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WHERE NOT EXISTS (
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SELECT * FROM t3
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WHERE ROW(5*t2.s1,77)=(
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SELECT 50,11*s1 FROM t4
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)
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)
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)
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"""
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)
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== {Table("t1"), Table("t2"), Table("t3"), Table("t4")}
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)
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def test_extract_tables_select_in_expression() -> None:
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"""
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Test that parser works with ``SELECT``s used as expressions.
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"""
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assert extract_tables("SELECT f1, (SELECT count(1) FROM t2) FROM t1") == {
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Table("t1"),
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Table("t2"),
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}
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assert extract_tables("SELECT f1, (SELECT count(1) FROM t2) as f2 FROM t1") == {
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Table("t1"),
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Table("t2"),
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}
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def test_extract_tables_parenthesis() -> None:
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"""
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Test that parenthesis are parsed correctly.
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"""
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assert extract_tables("SELECT f1, (x + y) AS f2 FROM t1") == {Table("t1")}
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def test_extract_tables_with_schema() -> None:
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"""
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Test that schemas are parsed correctly.
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"""
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assert extract_tables("SELECT * FROM schemaname.tbname") == {
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Table("tbname", "schemaname")
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}
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assert extract_tables('SELECT * FROM "schemaname"."tbname"') == {
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Table("tbname", "schemaname")
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}
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assert extract_tables('SELECT * FROM "schemaname"."tbname" foo') == {
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Table("tbname", "schemaname")
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}
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assert extract_tables('SELECT * FROM "schemaname"."tbname" AS foo') == {
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Table("tbname", "schemaname")
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}
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def test_extract_tables_union() -> None:
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"""
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Test that ``UNION`` queries work as expected.
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"""
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assert extract_tables("SELECT * FROM t1 UNION SELECT * FROM t2") == {
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Table("t1"),
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Table("t2"),
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}
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assert extract_tables("SELECT * FROM t1 UNION ALL SELECT * FROM t2") == {
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Table("t1"),
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Table("t2"),
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}
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assert extract_tables("SELECT * FROM t1 INTERSECT ALL SELECT * FROM t2") == {
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Table("t1"),
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Table("t2"),
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}
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def test_extract_tables_select_from_values() -> None:
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"""
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Test that selecting from values returns no tables.
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"""
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assert extract_tables("SELECT * FROM VALUES (13, 42)") == set()
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def test_extract_tables_select_array() -> None:
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"""
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Test that queries selecting arrays work as expected.
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"""
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assert (
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extract_tables(
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"""
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SELECT ARRAY[1, 2, 3] AS my_array
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FROM t1 LIMIT 10
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"""
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)
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== {Table("t1")}
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)
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def test_extract_tables_select_if() -> None:
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"""
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Test that queries with an ``IF`` work as expected.
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"""
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assert (
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extract_tables(
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"""
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SELECT IF(CARDINALITY(my_array) >= 3, my_array[3], NULL)
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FROM t1 LIMIT 10
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"""
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)
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== {Table("t1")}
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)
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def test_extract_tables_with_catalog() -> None:
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"""
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Test that catalogs are parsed correctly.
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"""
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assert extract_tables("SELECT * FROM catalogname.schemaname.tbname") == {
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Table("tbname", "schemaname", "catalogname")
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}
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def test_extract_tables_illdefined() -> None:
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"""
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Test that ill-defined tables return an empty set.
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"""
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assert extract_tables("SELECT * FROM schemaname.") == set()
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assert extract_tables("SELECT * FROM catalogname.schemaname.") == set()
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assert extract_tables("SELECT * FROM catalogname..") == set()
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assert extract_tables("SELECT * FROM catalogname..tbname") == set()
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@unittest.skip("Requires sqlparse>=3.1")
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def test_extract_tables_show_tables_from() -> None:
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"""
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Test ``SHOW TABLES FROM``.
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This is currently broken in the pinned version of sqlparse, and fixed in
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``sqlparse>=3.1``. However, ``sqlparse==3.1`` breaks some sql formatting.
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"""
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assert extract_tables("SHOW TABLES FROM s1 like '%order%'") == set()
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def test_extract_tables_show_columns_from() -> None:
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"""
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Test ``SHOW COLUMNS FROM``.
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"""
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assert extract_tables("SHOW COLUMNS FROM t1") == {Table("t1")}
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def test_extract_tables_where_subquery() -> None:
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"""
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Test that tables in a ``WHERE`` subquery are parsed correctly.
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"""
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assert (
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extract_tables(
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"""
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SELECT name
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FROM t1
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WHERE regionkey = (SELECT max(regionkey) FROM t2)
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"""
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)
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== {Table("t1"), Table("t2")}
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)
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assert (
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extract_tables(
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"""
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SELECT name
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FROM t1
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WHERE regionkey IN (SELECT regionkey FROM t2)
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"""
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)
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== {Table("t1"), Table("t2")}
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)
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assert (
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extract_tables(
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"""
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SELECT name
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FROM t1
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WHERE regionkey EXISTS (SELECT regionkey FROM t2)
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"""
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)
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== {Table("t1"), Table("t2")}
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)
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def test_extract_tables_describe() -> None:
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"""
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Test ``DESCRIBE``.
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"""
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assert extract_tables("DESCRIBE t1") == {Table("t1")}
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def test_extract_tables_show_partitions() -> None:
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"""
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Test ``SHOW PARTITIONS``.
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"""
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assert (
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extract_tables(
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"""
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SHOW PARTITIONS FROM orders
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WHERE ds >= '2013-01-01' ORDER BY ds DESC
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"""
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)
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== {Table("orders")}
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)
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def test_extract_tables_join() -> None:
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"""
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Test joins.
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"""
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assert extract_tables("SELECT t1.*, t2.* FROM t1 JOIN t2 ON t1.a = t2.a;") == {
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Table("t1"),
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Table("t2"),
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}
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assert (
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extract_tables(
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"""
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SELECT a.date, b.name
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FROM left_table a
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JOIN (
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SELECT
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CAST((b.year) as VARCHAR) date,
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name
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FROM right_table
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) b
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ON a.date = b.date
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"""
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)
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== {Table("left_table"), Table("right_table")}
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)
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assert (
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extract_tables(
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"""
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SELECT a.date, b.name
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FROM left_table a
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LEFT INNER JOIN (
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SELECT
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CAST((b.year) as VARCHAR) date,
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name
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FROM right_table
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) b
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ON a.date = b.date
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"""
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)
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== {Table("left_table"), Table("right_table")}
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)
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assert (
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extract_tables(
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"""
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SELECT a.date, b.name
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FROM left_table a
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RIGHT OUTER JOIN (
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SELECT
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CAST((b.year) as VARCHAR) date,
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name
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FROM right_table
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) b
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ON a.date = b.date
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"""
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)
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== {Table("left_table"), Table("right_table")}
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)
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assert (
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extract_tables(
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"""
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SELECT a.date, b.name
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FROM left_table a
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FULL OUTER JOIN (
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SELECT
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CAST((b.year) as VARCHAR) date,
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name
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FROM right_table
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) b
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ON a.date = b.date
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"""
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)
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== {Table("left_table"), Table("right_table")}
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)
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def test_extract_tables_semi_join() -> None:
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"""
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Test ``LEFT SEMI JOIN``.
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"""
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assert (
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extract_tables(
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"""
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SELECT a.date, b.name
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FROM left_table a
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LEFT SEMI JOIN (
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SELECT
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CAST((b.year) as VARCHAR) date,
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name
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FROM right_table
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) b
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ON a.data = b.date
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"""
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)
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== {Table("left_table"), Table("right_table")}
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)
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def test_extract_tables_combinations() -> None:
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"""
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Test a complex case with nested queries.
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"""
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assert (
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extract_tables(
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"""
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SELECT * FROM t1
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WHERE s11 > ANY (
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SELECT * FROM t1 UNION ALL SELECT * FROM (
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SELECT t6.*, t3.* FROM t6 JOIN t3 ON t6.a = t3.a
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) tmp_join
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WHERE NOT EXISTS (
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SELECT * FROM t3
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WHERE ROW(5*t3.s1,77)=(
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SELECT 50,11*s1 FROM t4
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)
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)
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)
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"""
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)
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== {Table("t1"), Table("t3"), Table("t4"), Table("t6")}
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)
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assert (
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extract_tables(
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"""
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SELECT * FROM (
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SELECT * FROM (
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SELECT * FROM (
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SELECT * FROM EmployeeS
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) AS S1
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) AS S2
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) AS S3
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"""
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)
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== {Table("EmployeeS")}
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)
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def test_extract_tables_with() -> None:
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"""
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Test ``WITH``.
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"""
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assert (
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extract_tables(
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"""
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WITH
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x AS (SELECT a FROM t1),
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y AS (SELECT a AS b FROM t2),
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z AS (SELECT b AS c FROM t3)
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SELECT c FROM z
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"""
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)
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== {Table("t1"), Table("t2"), Table("t3")}
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)
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assert (
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extract_tables(
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"""
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WITH
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x AS (SELECT a FROM t1),
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y AS (SELECT a AS b FROM x),
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z AS (SELECT b AS c FROM y)
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SELECT c FROM z
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"""
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)
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== {Table("t1")}
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)
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|
|
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def test_extract_tables_reusing_aliases() -> None:
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"""
|
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Test that the parser follows aliases.
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"""
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assert (
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extract_tables(
|
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"""
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with q1 as ( select key from q2 where key = '5'),
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q2 as ( select key from src where key = '5')
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select * from (select key from q1) a
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"""
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)
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== {Table("src")}
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)
|
|
|
|
|
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def test_extract_tables_multistatement() -> None:
|
|
"""
|
|
Test that the parser works with multiple statements.
|
|
"""
|
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assert extract_tables("SELECT * FROM t1; SELECT * FROM t2") == {
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Table("t1"),
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Table("t2"),
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}
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assert extract_tables("SELECT * FROM t1; SELECT * FROM t2;") == {
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Table("t1"),
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Table("t2"),
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}
|
|
|
|
|
|
def test_extract_tables_complex() -> None:
|
|
"""
|
|
Test a few complex queries.
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|
"""
|
|
assert (
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extract_tables(
|
|
"""
|
|
SELECT sum(m_examples) AS "sum__m_example"
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|
FROM (
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SELECT
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COUNT(DISTINCT id_userid) AS m_examples,
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|
some_more_info
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|
FROM my_b_table b
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JOIN my_t_table t ON b.ds=t.ds
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JOIN my_l_table l ON b.uid=l.uid
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WHERE
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b.rid IN (
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SELECT other_col
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|
FROM inner_table
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)
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|
AND l.bla IN ('x', 'y')
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GROUP BY 2
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ORDER BY 2 ASC
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) AS "meh"
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ORDER BY "sum__m_example" DESC
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LIMIT 10;
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"""
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)
|
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== {
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Table("my_l_table"),
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Table("my_b_table"),
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Table("my_t_table"),
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Table("inner_table"),
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}
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)
|
|
|
|
assert (
|
|
extract_tables(
|
|
"""
|
|
SELECT *
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|
FROM table_a AS a, table_b AS b, table_c as c
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WHERE a.id = b.id and b.id = c.id
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|
"""
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|
)
|
|
== {Table("table_a"), Table("table_b"), Table("table_c")}
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)
|
|
|
|
assert (
|
|
extract_tables(
|
|
"""
|
|
SELECT somecol AS somecol
|
|
FROM (
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|
WITH bla AS (
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|
SELECT col_a
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|
FROM a
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|
WHERE
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|
1=1
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|
AND column_of_choice NOT IN (
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|
SELECT interesting_col
|
|
FROM b
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|
)
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|
),
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|
rb AS (
|
|
SELECT yet_another_column
|
|
FROM (
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|
SELECT a
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|
FROM c
|
|
GROUP BY the_other_col
|
|
) not_table
|
|
LEFT JOIN bla foo
|
|
ON foo.prop = not_table.bad_col0
|
|
WHERE 1=1
|
|
GROUP BY
|
|
not_table.bad_col1 ,
|
|
not_table.bad_col2 ,
|
|
ORDER BY not_table.bad_col_3 DESC ,
|
|
not_table.bad_col4 ,
|
|
not_table.bad_col5
|
|
)
|
|
SELECT random_col
|
|
FROM d
|
|
WHERE 1=1
|
|
UNION ALL SELECT even_more_cols
|
|
FROM e
|
|
WHERE 1=1
|
|
UNION ALL SELECT lets_go_deeper
|
|
FROM f
|
|
WHERE 1=1
|
|
WHERE 2=2
|
|
GROUP BY last_col
|
|
LIMIT 50000
|
|
)
|
|
"""
|
|
)
|
|
== {Table("a"), Table("b"), Table("c"), Table("d"), Table("e"), Table("f")}
|
|
)
|
|
|
|
|
|
def test_extract_tables_mixed_from_clause() -> None:
|
|
"""
|
|
Test that the parser handles a ``FROM`` clause with table and subselect.
|
|
"""
|
|
assert (
|
|
extract_tables(
|
|
"""
|
|
SELECT *
|
|
FROM table_a AS a, (select * from table_b) AS b, table_c as c
|
|
WHERE a.id = b.id and b.id = c.id
|
|
"""
|
|
)
|
|
== {Table("table_a"), Table("table_b"), Table("table_c")}
|
|
)
|
|
|
|
|
|
def test_extract_tables_nested_select() -> None:
|
|
"""
|
|
Test that the parser handles selects inside functions.
|
|
"""
|
|
assert (
|
|
extract_tables(
|
|
"""
|
|
select (extractvalue(1,concat(0x7e,(select GROUP_CONCAT(TABLE_NAME)
|
|
from INFORMATION_SCHEMA.COLUMNS
|
|
WHERE TABLE_SCHEMA like "%bi%"),0x7e)));
|
|
"""
|
|
)
|
|
== {Table("COLUMNS", "INFORMATION_SCHEMA")}
|
|
)
|
|
|
|
assert (
|
|
extract_tables(
|
|
"""
|
|
select (extractvalue(1,concat(0x7e,(select GROUP_CONCAT(COLUMN_NAME)
|
|
from INFORMATION_SCHEMA.COLUMNS
|
|
WHERE TABLE_NAME="bi_achivement_daily"),0x7e)));
|
|
"""
|
|
)
|
|
== {Table("COLUMNS", "INFORMATION_SCHEMA")}
|
|
)
|
|
|
|
|
|
def test_extract_tables_complex_cte_with_prefix() -> None:
|
|
"""
|
|
Test that the parser handles CTEs with prefixes.
|
|
"""
|
|
assert (
|
|
extract_tables(
|
|
"""
|
|
WITH CTE__test (SalesPersonID, SalesOrderID, SalesYear)
|
|
AS (
|
|
SELECT SalesPersonID, SalesOrderID, YEAR(OrderDate) AS SalesYear
|
|
FROM SalesOrderHeader
|
|
WHERE SalesPersonID IS NOT NULL
|
|
)
|
|
SELECT SalesPersonID, COUNT(SalesOrderID) AS TotalSales, SalesYear
|
|
FROM CTE__test
|
|
GROUP BY SalesYear, SalesPersonID
|
|
ORDER BY SalesPersonID, SalesYear;
|
|
"""
|
|
)
|
|
== {Table("SalesOrderHeader")}
|
|
)
|
|
|
|
|
|
def test_extract_tables_identifier_list_with_keyword_as_alias() -> None:
|
|
"""
|
|
Test that aliases that are keywords are parsed correctly.
|
|
"""
|
|
assert (
|
|
extract_tables(
|
|
"""
|
|
WITH
|
|
f AS (SELECT * FROM foo),
|
|
match AS (SELECT * FROM f)
|
|
SELECT * FROM match
|
|
"""
|
|
)
|
|
== {Table("foo")}
|
|
)
|
|
|
|
|
|
def test_update() -> None:
|
|
"""
|
|
Test that ``UPDATE`` is not detected as ``SELECT``.
|
|
"""
|
|
assert ParsedQuery("UPDATE t1 SET col1 = NULL").is_select() is False
|
|
|
|
|
|
def test_set() -> None:
|
|
"""
|
|
Test that ``SET`` is detected correctly.
|
|
"""
|
|
query = ParsedQuery(
|
|
"""
|
|
-- comment
|
|
SET hivevar:desc='Legislators';
|
|
"""
|
|
)
|
|
assert query.is_set() is True
|
|
assert query.is_select() is False
|
|
|
|
assert ParsedQuery("set hivevar:desc='bla'").is_set() is True
|
|
assert ParsedQuery("SELECT 1").is_set() is False
|
|
|
|
|
|
def test_show() -> None:
|
|
"""
|
|
Test that ``SHOW`` is detected correctly.
|
|
"""
|
|
query = ParsedQuery(
|
|
"""
|
|
-- comment
|
|
SHOW LOCKS test EXTENDED;
|
|
-- comment
|
|
"""
|
|
)
|
|
assert query.is_show() is True
|
|
assert query.is_select() is False
|
|
|
|
assert ParsedQuery("SHOW TABLES").is_show() is True
|
|
assert ParsedQuery("shOw TABLES").is_show() is True
|
|
assert ParsedQuery("show TABLES").is_show() is True
|
|
assert ParsedQuery("SELECT 1").is_show() is False
|
|
|
|
|
|
def test_is_explain() -> None:
|
|
"""
|
|
Test that ``EXPLAIN`` is detected correctly.
|
|
"""
|
|
assert ParsedQuery("EXPLAIN SELECT 1").is_explain() is True
|
|
assert ParsedQuery("EXPLAIN SELECT 1").is_select() is False
|
|
|
|
assert (
|
|
ParsedQuery(
|
|
"""
|
|
-- comment
|
|
EXPLAIN select * from table
|
|
-- comment 2
|
|
"""
|
|
).is_explain()
|
|
is True
|
|
)
|
|
|
|
assert (
|
|
ParsedQuery(
|
|
"""
|
|
-- comment
|
|
EXPLAIN select * from table
|
|
where col1 = 'something'
|
|
-- comment 2
|
|
|
|
-- comment 3
|
|
EXPLAIN select * from table
|
|
where col1 = 'something'
|
|
-- comment 4
|
|
"""
|
|
).is_explain()
|
|
is True
|
|
)
|
|
|
|
assert (
|
|
ParsedQuery(
|
|
"""
|
|
-- This is a comment
|
|
-- this is another comment but with a space in the front
|
|
EXPLAIN SELECT * FROM TABLE
|
|
"""
|
|
).is_explain()
|
|
is True
|
|
)
|
|
|
|
assert (
|
|
ParsedQuery(
|
|
"""
|
|
/* This is a comment
|
|
with stars instead */
|
|
EXPLAIN SELECT * FROM TABLE
|
|
"""
|
|
).is_explain()
|
|
is True
|
|
)
|
|
|
|
assert (
|
|
ParsedQuery(
|
|
"""
|
|
-- comment
|
|
select * from table
|
|
where col1 = 'something'
|
|
-- comment 2
|
|
"""
|
|
).is_explain()
|
|
is False
|
|
)
|
|
|
|
|
|
def test_is_valid_ctas() -> None:
|
|
"""
|
|
Test if a query is a valid CTAS.
|
|
|
|
A valid CTAS has a ``SELECT`` as its last statement.
|
|
"""
|
|
assert (
|
|
ParsedQuery("SELECT * FROM table", strip_comments=True).is_valid_ctas() is True
|
|
)
|
|
|
|
assert (
|
|
ParsedQuery(
|
|
"""
|
|
-- comment
|
|
SELECT * FROM table
|
|
-- comment 2
|
|
""",
|
|
strip_comments=True,
|
|
).is_valid_ctas()
|
|
is True
|
|
)
|
|
|
|
assert (
|
|
ParsedQuery(
|
|
"""
|
|
-- comment
|
|
SET @value = 42;
|
|
SELECT @value as foo;
|
|
-- comment 2
|
|
""",
|
|
strip_comments=True,
|
|
).is_valid_ctas()
|
|
is True
|
|
)
|
|
|
|
assert (
|
|
ParsedQuery(
|
|
"""
|
|
-- comment
|
|
EXPLAIN SELECT * FROM table
|
|
-- comment 2
|
|
""",
|
|
strip_comments=True,
|
|
).is_valid_ctas()
|
|
is False
|
|
)
|
|
|
|
assert (
|
|
ParsedQuery(
|
|
"""
|
|
SELECT * FROM table;
|
|
INSERT INTO TABLE (foo) VALUES (42);
|
|
""",
|
|
strip_comments=True,
|
|
).is_valid_ctas()
|
|
is False
|
|
)
|
|
|
|
|
|
def test_is_valid_cvas() -> None:
|
|
"""
|
|
Test if a query is a valid CVAS.
|
|
|
|
A valid CVAS has a single ``SELECT`` statement.
|
|
"""
|
|
assert (
|
|
ParsedQuery("SELECT * FROM table", strip_comments=True).is_valid_cvas() is True
|
|
)
|
|
|
|
assert (
|
|
ParsedQuery(
|
|
"""
|
|
-- comment
|
|
SELECT * FROM table
|
|
-- comment 2
|
|
""",
|
|
strip_comments=True,
|
|
).is_valid_cvas()
|
|
is True
|
|
)
|
|
|
|
assert (
|
|
ParsedQuery(
|
|
"""
|
|
-- comment
|
|
SET @value = 42;
|
|
SELECT @value as foo;
|
|
-- comment 2
|
|
""",
|
|
strip_comments=True,
|
|
).is_valid_cvas()
|
|
is False
|
|
)
|
|
|
|
assert (
|
|
ParsedQuery(
|
|
"""
|
|
-- comment
|
|
EXPLAIN SELECT * FROM table
|
|
-- comment 2
|
|
""",
|
|
strip_comments=True,
|
|
).is_valid_cvas()
|
|
is False
|
|
)
|
|
|
|
assert (
|
|
ParsedQuery(
|
|
"""
|
|
SELECT * FROM table;
|
|
INSERT INTO TABLE (foo) VALUES (42);
|
|
""",
|
|
strip_comments=True,
|
|
).is_valid_cvas()
|
|
is False
|
|
)
|
|
|
|
|
|
def test_is_select_cte_with_comments() -> None:
|
|
"""
|
|
Some CTES with comments are not correctly identified as SELECTS.
|
|
"""
|
|
sql = ParsedQuery(
|
|
"""WITH blah AS
|
|
(SELECT * FROM core_dev.manager_team),
|
|
|
|
blah2 AS
|
|
(SELECT * FROM core_dev.manager_workspace)
|
|
|
|
SELECT * FROM blah
|
|
INNER JOIN blah2 ON blah2.team_id = blah.team_id"""
|
|
)
|
|
assert sql.is_select()
|
|
|
|
sql = ParsedQuery(
|
|
"""WITH blah AS
|
|
/*blahblahbalh*/
|
|
(SELECT * FROM core_dev.manager_team),
|
|
--blahblahbalh
|
|
|
|
blah2 AS
|
|
(SELECT * FROM core_dev.manager_workspace)
|
|
|
|
SELECT * FROM blah
|
|
INNER JOIN blah2 ON blah2.team_id = blah.team_id"""
|
|
)
|
|
assert sql.is_select()
|
|
|
|
|
|
def test_cte_is_select() -> None:
|
|
"""
|
|
Some CTEs are not correctly identified as SELECTS.
|
|
"""
|
|
# `AS(` gets parsed as a function
|
|
sql = ParsedQuery(
|
|
"""WITH foo AS(
|
|
SELECT
|
|
FLOOR(__time TO WEEK) AS "week",
|
|
name,
|
|
COUNT(DISTINCT user_id) AS "unique_users"
|
|
FROM "druid"."my_table"
|
|
GROUP BY 1,2
|
|
)
|
|
SELECT
|
|
f.week,
|
|
f.name,
|
|
f.unique_users
|
|
FROM foo f"""
|
|
)
|
|
assert sql.is_select()
|
|
|
|
|
|
def test_unknown_select() -> None:
|
|
"""
|
|
Test that `is_select` works when sqlparse fails to identify the type.
|
|
"""
|
|
sql = "WITH foo AS(SELECT 1) SELECT 1"
|
|
assert sqlparse.parse(sql)[0].get_type() == "UNKNOWN"
|
|
assert ParsedQuery(sql).is_select()
|
|
|
|
sql = "WITH foo AS(SELECT 1) INSERT INTO my_table (a) VALUES (1)"
|
|
assert sqlparse.parse(sql)[0].get_type() == "UNKNOWN"
|
|
assert not ParsedQuery(sql).is_select()
|
|
|
|
sql = "WITH foo AS(SELECT 1) DELETE FROM my_table"
|
|
assert sqlparse.parse(sql)[0].get_type() == "UNKNOWN"
|
|
assert not ParsedQuery(sql).is_select()
|
|
|
|
|
|
def test_get_query_with_new_limit_comment() -> None:
|
|
"""
|
|
Test that limit is applied correctly.
|
|
"""
|
|
query = ParsedQuery("SELECT * FROM birth_names -- SOME COMMENT")
|
|
assert query.set_or_update_query_limit(1000) == (
|
|
"SELECT * FROM birth_names -- SOME COMMENT\nLIMIT 1000"
|
|
)
|
|
|
|
|
|
def test_get_query_with_new_limit_comment_with_limit() -> None:
|
|
"""
|
|
Test that limits in comments are ignored.
|
|
"""
|
|
query = ParsedQuery("SELECT * FROM birth_names -- SOME COMMENT WITH LIMIT 555")
|
|
assert query.set_or_update_query_limit(1000) == (
|
|
"SELECT * FROM birth_names -- SOME COMMENT WITH LIMIT 555\nLIMIT 1000"
|
|
)
|
|
|
|
|
|
def test_get_query_with_new_limit_lower() -> None:
|
|
"""
|
|
Test that lower limits are not replaced.
|
|
"""
|
|
query = ParsedQuery("SELECT * FROM birth_names LIMIT 555")
|
|
assert query.set_or_update_query_limit(1000) == (
|
|
"SELECT * FROM birth_names LIMIT 555"
|
|
)
|
|
|
|
|
|
def test_get_query_with_new_limit_upper() -> None:
|
|
"""
|
|
Test that higher limits are replaced.
|
|
"""
|
|
query = ParsedQuery("SELECT * FROM birth_names LIMIT 2000")
|
|
assert query.set_or_update_query_limit(1000) == (
|
|
"SELECT * FROM birth_names LIMIT 1000"
|
|
)
|
|
|
|
|
|
def test_basic_breakdown_statements() -> None:
|
|
"""
|
|
Test that multiple statements are parsed correctly.
|
|
"""
|
|
query = ParsedQuery(
|
|
"""
|
|
SELECT * FROM birth_names;
|
|
SELECT * FROM birth_names LIMIT 1;
|
|
"""
|
|
)
|
|
assert query.get_statements() == [
|
|
"SELECT * FROM birth_names",
|
|
"SELECT * FROM birth_names LIMIT 1",
|
|
]
|
|
|
|
|
|
def test_messy_breakdown_statements() -> None:
|
|
"""
|
|
Test the messy multiple statements are parsed correctly.
|
|
"""
|
|
query = ParsedQuery(
|
|
"""
|
|
SELECT 1;\t\n\n\n \t
|
|
\t\nSELECT 2;
|
|
SELECT * FROM birth_names;;;
|
|
SELECT * FROM birth_names LIMIT 1
|
|
"""
|
|
)
|
|
assert query.get_statements() == [
|
|
"SELECT 1",
|
|
"SELECT 2",
|
|
"SELECT * FROM birth_names",
|
|
"SELECT * FROM birth_names LIMIT 1",
|
|
]
|
|
|
|
|
|
def test_sqlparse_formatting():
|
|
"""
|
|
Test that ``from_unixtime`` is formatted correctly.
|
|
|
|
``sqlparse==0.3.1`` has a bug and removes space between ``from`` and
|
|
``from_unixtime``, resulting in::
|
|
|
|
SELECT extract(HOUR
|
|
fromfrom_unixtime(hour_ts)
|
|
AT TIME ZONE 'America/Los_Angeles')
|
|
from table
|
|
|
|
"""
|
|
assert sqlparse.format(
|
|
"SELECT extract(HOUR from from_unixtime(hour_ts) AT TIME ZONE 'America/Los_Angeles') from table",
|
|
reindent=True,
|
|
) == (
|
|
"SELECT extract(HOUR\n from from_unixtime(hour_ts) "
|
|
"AT TIME ZONE 'America/Los_Angeles')\nfrom table"
|
|
)
|
|
|
|
|
|
def test_strip_comments_from_sql() -> None:
|
|
"""
|
|
Test that comments are stripped out correctly.
|
|
"""
|
|
assert (
|
|
strip_comments_from_sql("SELECT col1, col2 FROM table1")
|
|
== "SELECT col1, col2 FROM table1"
|
|
)
|
|
assert (
|
|
strip_comments_from_sql("SELECT col1, col2 FROM table1\n-- comment")
|
|
== "SELECT col1, col2 FROM table1\n"
|
|
)
|
|
assert (
|
|
strip_comments_from_sql("SELECT '--abc' as abc, col2 FROM table1\n")
|
|
== "SELECT '--abc' as abc, col2 FROM table1"
|
|
)
|
|
|
|
|
|
def test_validate_filter_clause_valid():
|
|
# regular clauses
|
|
assert validate_filter_clause("col = 1") is None
|
|
assert validate_filter_clause("1=\t\n1") is None
|
|
assert validate_filter_clause("(col = 1)") is None
|
|
assert validate_filter_clause("(col1 = 1) AND (col2 = 2)") is None
|
|
|
|
# Valid literal values that appear to be invalid
|
|
assert validate_filter_clause("col = 'col1 = 1) AND (col2 = 2'") is None
|
|
assert validate_filter_clause("col = 'select 1; select 2'") is None
|
|
assert validate_filter_clause("col = 'abc -- comment'") is None
|
|
|
|
|
|
def test_validate_filter_clause_closing_unclosed():
|
|
with pytest.raises(QueryClauseValidationException):
|
|
validate_filter_clause("col1 = 1) AND (col2 = 2)")
|
|
|
|
|
|
def test_validate_filter_clause_unclosed():
|
|
with pytest.raises(QueryClauseValidationException):
|
|
validate_filter_clause("(col1 = 1) AND (col2 = 2")
|
|
|
|
|
|
def test_validate_filter_clause_closing_and_unclosed():
|
|
with pytest.raises(QueryClauseValidationException):
|
|
validate_filter_clause("col1 = 1) AND (col2 = 2")
|
|
|
|
|
|
def test_validate_filter_clause_closing_and_unclosed_nested():
|
|
with pytest.raises(QueryClauseValidationException):
|
|
validate_filter_clause("(col1 = 1)) AND ((col2 = 2)")
|
|
|
|
|
|
def test_validate_filter_clause_multiple():
|
|
with pytest.raises(QueryClauseValidationException):
|
|
validate_filter_clause("TRUE; SELECT 1")
|
|
|
|
|
|
def test_validate_filter_clause_comment():
|
|
with pytest.raises(QueryClauseValidationException):
|
|
validate_filter_clause("1 = 1 -- comment")
|
|
|
|
|
|
def test_validate_filter_clause_subquery_comment():
|
|
with pytest.raises(QueryClauseValidationException):
|
|
validate_filter_clause("(1 = 1 -- comment\n)")
|
|
|
|
|
|
def test_sqlparse_issue_652():
|
|
stmt = sqlparse.parse(r"foo = '\' AND bar = 'baz'")[0]
|
|
assert len(stmt.tokens) == 5
|
|
assert str(stmt.tokens[0]) == "foo = '\\'"
|