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8c376548e3
Co-authored-by: Mccush, Jack <jack.mccush@teradata.com> Co-authored-by: Jack McCush <33156805+mccushjack@users.noreply.github.com> Co-authored-by: Beto Dealmeida <roberto@dealmeida.net> Co-authored-by: David McNulla <david.mcnulla@teradata.com>
88 lines
3.0 KiB
Python
88 lines
3.0 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=unused-argument, import-outside-toplevel, protected-access
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from flask.ctx import AppContext
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def test_ParsedQueryTeradata_lower_limit(app_context: AppContext) -> None:
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"""
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Test the custom ``ParsedQueryTeradata`` that calls ``_extract_limit_from_query_td(``
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The CLass looks for Teradata limit keywords TOP and SAMPLE vs LIMIT in
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other dialects.
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"""
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from superset.db_engine_specs.teradata import TeradataEngineSpec
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sql = "SEL TOP 1000 * FROM My_table;"
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limit = 100
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assert str(TeradataEngineSpec.apply_limit_to_sql(sql, limit, "Database")) == (
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"SEL TOP 100 * FROM My_table"
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)
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def test_ParsedQueryTeradata_higher_limit(app_context: AppContext) -> None:
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"""
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Test the custom ``ParsedQueryTeradata`` that calls ``_extract_limit_from_query_td(``
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The CLass looks for Teradata limit keywords TOP and SAMPLE vs LIMIT in
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other dialects.
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"""
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from superset.db_engine_specs.teradata import TeradataEngineSpec
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sql = "SEL TOP 1000 * FROM My_table;"
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limit = 10000
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assert str(TeradataEngineSpec.apply_limit_to_sql(sql, limit, "Database")) == (
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"SEL TOP 1000 * FROM My_table"
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)
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def test_ParsedQueryTeradata_equal_limit(app_context: AppContext) -> None:
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"""
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Test the custom ``ParsedQueryTeradata`` that calls ``_extract_limit_from_query_td(``
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The CLass looks for Teradata limit keywords TOP and SAMPLE vs LIMIT in
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other dialects.
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"""
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from superset.db_engine_specs.teradata import TeradataEngineSpec
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sql = "SEL TOP 1000 * FROM My_table;"
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limit = 1000
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assert str(TeradataEngineSpec.apply_limit_to_sql(sql, limit, "Database")) == (
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"SEL TOP 1000 * FROM My_table"
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)
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def test_ParsedQueryTeradata_no_limit(app_context: AppContext) -> None:
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"""
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Test the custom ``ParsedQueryTeradata`` that calls ``_extract_limit_from_query_td(``
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The CLass looks for Teradata limit keywords TOP and SAMPLE vs LIMIT in
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other dialects.
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"""
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from superset.db_engine_specs.teradata import TeradataEngineSpec
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sql = "SEL * FROM My_table;"
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limit = 1000
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assert str(TeradataEngineSpec.apply_limit_to_sql(sql, limit, "Database")) == (
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"SEL TOP 1000 * FROM My_table"
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)
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