92 lines
3.3 KiB
Python
92 lines
3.3 KiB
Python
from tests.dialects.test_dialect import Validator
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class TestOracle(Validator):
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dialect = "oracle"
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def test_oracle(self):
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self.validate_identity("SELECT * FROM V$SESSION")
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def test_join_marker(self):
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self.validate_identity("SELECT e1.x, e2.x FROM e e1, e e2 WHERE e1.y (+) = e2.y")
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self.validate_identity("SELECT e1.x, e2.x FROM e e1, e e2 WHERE e1.y = e2.y (+)")
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self.validate_identity("SELECT e1.x, e2.x FROM e e1, e e2 WHERE e1.y (+) = e2.y (+)")
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def test_hints(self):
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self.validate_identity("SELECT /*+ USE_NL(A B) */ A.COL_TEST FROM TABLE_A A, TABLE_B B")
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self.validate_identity(
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"SELECT /*+ INDEX(v.j jhist_employee_ix (employee_id start_date)) */ * FROM v"
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)
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self.validate_identity(
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"SELECT /*+ USE_NL(A B C) */ A.COL_TEST FROM TABLE_A A, TABLE_B B, TABLE_C C"
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)
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self.validate_identity(
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"SELECT /*+ NO_INDEX(employees emp_empid) */ employee_id FROM employees WHERE employee_id > 200"
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)
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self.validate_identity(
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"SELECT /*+ NO_INDEX_FFS(items item_order_ix) */ order_id FROM order_items items"
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)
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self.validate_identity(
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"SELECT /*+ LEADING(e j) */ * FROM employees e, departments d, job_history j WHERE e.department_id = d.department_id AND e.hire_date = j.start_date"
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)
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def test_xml_table(self):
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self.validate_identity("XMLTABLE('x')")
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self.validate_identity("XMLTABLE('x' RETURNING SEQUENCE BY REF)")
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self.validate_identity("XMLTABLE('x' PASSING y)")
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self.validate_identity("XMLTABLE('x' PASSING y RETURNING SEQUENCE BY REF)")
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self.validate_identity(
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"XMLTABLE('x' RETURNING SEQUENCE BY REF COLUMNS a VARCHAR2, b FLOAT)"
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)
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self.validate_all(
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"""SELECT warehouse_name warehouse,
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warehouse2."Water", warehouse2."Rail"
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FROM warehouses,
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XMLTABLE('/Warehouse'
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PASSING warehouses.warehouse_spec
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COLUMNS
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"Water" varchar2(6) PATH 'WaterAccess',
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"Rail" varchar2(6) PATH 'RailAccess')
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warehouse2""",
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write={
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"oracle": """SELECT
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warehouse_name AS warehouse,
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warehouse2."Water",
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warehouse2."Rail"
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FROM warehouses, XMLTABLE(
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'/Warehouse'
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PASSING
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warehouses.warehouse_spec
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COLUMNS
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"Water" VARCHAR2(6) PATH 'WaterAccess',
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"Rail" VARCHAR2(6) PATH 'RailAccess'
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) warehouse2""",
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},
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pretty=True,
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)
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self.validate_all(
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"""SELECT table_name, column_name, data_default FROM xmltable('ROWSET/ROW'
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passing dbms_xmlgen.getxmltype('SELECT table_name, column_name, data_default FROM user_tab_columns')
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columns table_name VARCHAR2(128) PATH '*[1]'
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, column_name VARCHAR2(128) PATH '*[2]'
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, data_default VARCHAR2(2000) PATH '*[3]'
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);""",
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write={
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"oracle": """SELECT
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table_name,
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column_name,
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data_default
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FROM XMLTABLE(
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'ROWSET/ROW'
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PASSING
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dbms_xmlgen.getxmltype ("SELECT table_name, column_name, data_default FROM user_tab_columns")
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COLUMNS
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table_name VARCHAR2(128) PATH '*[1]',
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column_name VARCHAR2(128) PATH '*[2]',
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data_default VARCHAR2(2000) PATH '*[3]'
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)""",
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},
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pretty=True,
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)
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