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-rw-r--r--tests/test_parser.py57
1 files changed, 43 insertions, 14 deletions
diff --git a/tests/test_parser.py b/tests/test_parser.py
index 04c20b1..c747ea3 100644
--- a/tests/test_parser.py
+++ b/tests/test_parser.py
@@ -41,12 +41,41 @@ class TestParser(unittest.TestCase):
)
def test_command(self):
- expressions = parse("SET x = 1; ADD JAR s3://a; SELECT 1")
+ expressions = parse("SET x = 1; ADD JAR s3://a; SELECT 1", read="hive")
self.assertEqual(len(expressions), 3)
self.assertEqual(expressions[0].sql(), "SET x = 1")
self.assertEqual(expressions[1].sql(), "ADD JAR s3://a")
self.assertEqual(expressions[2].sql(), "SELECT 1")
+ def test_transactions(self):
+ expression = parse_one("BEGIN TRANSACTION")
+ self.assertIsNone(expression.this)
+ self.assertEqual(expression.args["modes"], [])
+ self.assertEqual(expression.sql(), "BEGIN")
+
+ expression = parse_one("START TRANSACTION", read="mysql")
+ self.assertIsNone(expression.this)
+ self.assertEqual(expression.args["modes"], [])
+ self.assertEqual(expression.sql(), "BEGIN")
+
+ expression = parse_one("BEGIN DEFERRED TRANSACTION")
+ self.assertEqual(expression.this, "DEFERRED")
+ self.assertEqual(expression.args["modes"], [])
+ self.assertEqual(expression.sql(), "BEGIN")
+
+ expression = parse_one(
+ "START TRANSACTION READ WRITE, ISOLATION LEVEL SERIALIZABLE", read="presto"
+ )
+ self.assertIsNone(expression.this)
+ self.assertEqual(expression.args["modes"][0], "READ WRITE")
+ self.assertEqual(expression.args["modes"][1], "ISOLATION LEVEL SERIALIZABLE")
+ self.assertEqual(expression.sql(), "BEGIN")
+
+ expression = parse_one("BEGIN", read="bigquery")
+ self.assertNotIsInstance(expression, exp.Transaction)
+ self.assertIsNone(expression.expression)
+ self.assertEqual(expression.sql(), "BEGIN")
+
def test_identify(self):
expression = parse_one(
"""
@@ -55,14 +84,14 @@ class TestParser(unittest.TestCase):
"""
)
- assert expression.expressions[0].text("this") == "a"
- assert expression.expressions[1].text("this") == "b"
- assert expression.expressions[2].text("alias") == "c"
- assert expression.expressions[3].text("alias") == "D"
- assert expression.expressions[4].text("alias") == "y|z'"
+ assert expression.expressions[0].name == "a"
+ assert expression.expressions[1].name == "b"
+ assert expression.expressions[2].alias == "c"
+ assert expression.expressions[3].alias == "D"
+ assert expression.expressions[4].alias == "y|z'"
table = expression.args["from"].expressions[0]
- assert table.args["this"].args["this"] == "z"
- assert table.args["db"].args["this"] == "y"
+ assert table.this.name == "z"
+ assert table.args["db"].name == "y"
def test_multi(self):
expressions = parse(
@@ -72,8 +101,8 @@ class TestParser(unittest.TestCase):
)
assert len(expressions) == 2
- assert expressions[0].args["from"].expressions[0].args["this"].args["this"] == "a"
- assert expressions[1].args["from"].expressions[0].args["this"].args["this"] == "b"
+ assert expressions[0].args["from"].expressions[0].this.name == "a"
+ assert expressions[1].args["from"].expressions[0].this.name == "b"
def test_expression(self):
ignore = Parser(error_level=ErrorLevel.IGNORE)
@@ -200,7 +229,7 @@ class TestParser(unittest.TestCase):
@patch("sqlglot.parser.logger")
def test_comment_error_n(self, logger):
parse_one(
- """CREATE TABLE x
+ """SUM
(
-- test
)""",
@@ -208,19 +237,19 @@ class TestParser(unittest.TestCase):
)
assert_logger_contains(
- "Required keyword: 'expressions' missing for <class 'sqlglot.expressions.Schema'>. Line 4, Col: 1.",
+ "Required keyword: 'this' missing for <class 'sqlglot.expressions.Sum'>. Line 4, Col: 1.",
logger,
)
@patch("sqlglot.parser.logger")
def test_comment_error_r(self, logger):
parse_one(
- """CREATE TABLE x (-- test\r)""",
+ """SUM(-- test\r)""",
error_level=ErrorLevel.WARN,
)
assert_logger_contains(
- "Required keyword: 'expressions' missing for <class 'sqlglot.expressions.Schema'>. Line 2, Col: 1.",
+ "Required keyword: 'this' missing for <class 'sqlglot.expressions.Sum'>. Line 2, Col: 1.",
logger,
)