121 lines
3.7 KiB
Python
121 lines
3.7 KiB
Python
from tests.dialects.test_dialect import Validator
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class TestMySQL(Validator):
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dialect = "mysql"
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def test_ddl(self):
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self.validate_all(
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"CREATE TABLE z (a INT) ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARACTER SET=utf8 COLLATE=utf8_bin COMMENT='x'",
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write={
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"mysql": "CREATE TABLE z (a INT) ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARACTER SET=utf8 COLLATE=utf8_bin COMMENT='x'",
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"spark": "CREATE TABLE z (a INT) COMMENT 'x'",
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},
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)
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def test_identity(self):
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self.validate_identity("SELECT CAST(`a`.`b` AS INT) FROM foo")
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self.validate_identity("SELECT TRIM(LEADING 'bla' FROM ' XXX ')")
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self.validate_identity("SELECT TRIM(TRAILING 'bla' FROM ' XXX ')")
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self.validate_identity("SELECT TRIM(BOTH 'bla' FROM ' XXX ')")
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self.validate_identity("SELECT TRIM('bla' FROM ' XXX ')")
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def test_introducers(self):
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self.validate_all(
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"_utf8mb4 'hola'",
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read={
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"mysql": "_utf8mb4'hola'",
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},
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write={
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"mysql": "_utf8mb4 'hola'",
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},
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)
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def test_hexadecimal_literal(self):
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self.validate_all(
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"SELECT 0xCC",
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write={
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"mysql": "SELECT x'CC'",
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"sqlite": "SELECT x'CC'",
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"spark": "SELECT X'CC'",
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"trino": "SELECT X'CC'",
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"bigquery": "SELECT 0xCC",
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"oracle": "SELECT 204",
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},
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)
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self.validate_all(
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"SELECT X'1A'",
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write={
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"mysql": "SELECT x'1A'",
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},
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)
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self.validate_all(
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"SELECT 0xz",
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write={
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"mysql": "SELECT `0xz`",
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},
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)
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def test_bits_literal(self):
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self.validate_all(
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"SELECT 0b1011",
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write={
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"mysql": "SELECT b'1011'",
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"postgres": "SELECT b'1011'",
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"oracle": "SELECT 11",
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},
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)
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self.validate_all(
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"SELECT B'1011'",
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write={
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"mysql": "SELECT b'1011'",
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"postgres": "SELECT b'1011'",
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"oracle": "SELECT 11",
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},
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)
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def test_string_literals(self):
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self.validate_all(
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'SELECT "2021-01-01" + INTERVAL 1 MONTH',
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write={
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"mysql": "SELECT '2021-01-01' + INTERVAL 1 MONTH",
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},
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)
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def test_convert(self):
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self.validate_all(
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"CONVERT(x USING latin1)",
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write={
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"mysql": "CAST(x AS CHAR CHARACTER SET latin1)",
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},
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)
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self.validate_all(
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"CAST(x AS CHAR CHARACTER SET latin1)",
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write={
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"mysql": "CAST(x AS CHAR CHARACTER SET latin1)",
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},
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)
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def test_hash_comments(self):
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self.validate_all(
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"SELECT 1 # arbitrary content,,, until end-of-line",
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write={
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"mysql": "SELECT 1",
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},
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)
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def test_mysql(self):
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self.validate_all(
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"GROUP_CONCAT(DISTINCT x ORDER BY y DESC)",
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write={
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"mysql": "GROUP_CONCAT(DISTINCT x ORDER BY y DESC SEPARATOR ',')",
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"sqlite": "GROUP_CONCAT(DISTINCT x ORDER BY y DESC)",
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},
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)
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self.validate_all(
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"GROUP_CONCAT(DISTINCT x ORDER BY y DESC SEPARATOR '')",
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write={
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"mysql": "GROUP_CONCAT(DISTINCT x ORDER BY y DESC SEPARATOR '')",
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"sqlite": "GROUP_CONCAT(DISTINCT x ORDER BY y DESC, '')",
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},
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)
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