def test_varchar_use_nchar_types(self): dialect = oracle.dialect(use_nchar_for_unicode=True) for typ, exp in [ (String(50), "VARCHAR2(50 CHAR)"), (Unicode(50), "NVARCHAR2(50)"), (NVARCHAR(50), "NVARCHAR2(50)"), (VARCHAR(50), "VARCHAR(50 CHAR)"), (oracle.NVARCHAR2(50), "NVARCHAR2(50)"), (oracle.VARCHAR2(50), "VARCHAR2(50 CHAR)"), (String(), "VARCHAR2"), (Unicode(), "NVARCHAR2"), (NVARCHAR(), "NVARCHAR2"), (VARCHAR(), "VARCHAR"), (oracle.NVARCHAR2(), "NVARCHAR2"), (oracle.VARCHAR2(), "VARCHAR2"), ]: self.assert_compile(typ, exp, dialect=dialect)
class DialectTypesTest(fixtures.TestBase, AssertsCompiledSQL): __dialect__ = oracle.OracleDialect() def test_no_clobs_for_string_params(self): """test that simple string params get a DBAPI type of VARCHAR, not CLOB. This is to prevent setinputsizes from setting up cx_oracle.CLOBs on string-based bind params [ticket:793].""" class FakeDBAPI(object): def __getattr__(self, attr): return attr dialect = oracle.OracleDialect() dbapi = FakeDBAPI() b = bindparam("foo", "hello world!") eq_(b.type.dialect_impl(dialect).get_dbapi_type(dbapi), "STRING") b = bindparam("foo", "hello world!") eq_(b.type.dialect_impl(dialect).get_dbapi_type(dbapi), "STRING") def test_long(self): self.assert_compile(oracle.LONG(), "LONG") @testing.combinations( (Date(), cx_oracle._OracleDate), (oracle.OracleRaw(), cx_oracle._OracleRaw), (String(), String), (VARCHAR(), cx_oracle._OracleString), (DATE(), cx_oracle._OracleDate), (oracle.DATE(), oracle.DATE), (String(50), cx_oracle._OracleString), (Unicode(), cx_oracle._OracleUnicodeStringCHAR), (Text(), cx_oracle._OracleText), (UnicodeText(), cx_oracle._OracleUnicodeTextCLOB), (CHAR(), cx_oracle._OracleChar), (NCHAR(), cx_oracle._OracleNChar), (NVARCHAR(), cx_oracle._OracleUnicodeStringNCHAR), (oracle.RAW(50), cx_oracle._OracleRaw), ) def test_type_adapt(self, start, test): dialect = cx_oracle.dialect() assert isinstance( start.dialect_impl(dialect), test ), "wanted %r got %r" % (test, start.dialect_impl(dialect)) @testing.combinations( (String(), String), (VARCHAR(), cx_oracle._OracleString), (String(50), cx_oracle._OracleString), (Unicode(), cx_oracle._OracleUnicodeStringNCHAR), (Text(), cx_oracle._OracleText), (UnicodeText(), cx_oracle._OracleUnicodeTextNCLOB), (NCHAR(), cx_oracle._OracleNChar), (NVARCHAR(), cx_oracle._OracleUnicodeStringNCHAR), ) def test_type_adapt_nchar(self, start, test): dialect = cx_oracle.dialect(use_nchar_for_unicode=True) assert isinstance( start.dialect_impl(dialect), test ), "wanted %r got %r" % (test, start.dialect_impl(dialect)) def test_raw_compile(self): self.assert_compile(oracle.RAW(), "RAW") self.assert_compile(oracle.RAW(35), "RAW(35)") def test_char_length(self): self.assert_compile(VARCHAR(50), "VARCHAR(50 CHAR)") oracle8dialect = oracle.dialect() oracle8dialect.server_version_info = (8, 0) self.assert_compile(VARCHAR(50), "VARCHAR(50)", dialect=oracle8dialect) self.assert_compile(NVARCHAR(50), "NVARCHAR2(50)") self.assert_compile(CHAR(50), "CHAR(50)") @testing.combinations( (String(50), "VARCHAR2(50 CHAR)"), (Unicode(50), "VARCHAR2(50 CHAR)"), (NVARCHAR(50), "NVARCHAR2(50)"), (VARCHAR(50), "VARCHAR(50 CHAR)"), (oracle.NVARCHAR2(50), "NVARCHAR2(50)"), (oracle.VARCHAR2(50), "VARCHAR2(50 CHAR)"), (String(), "VARCHAR2"), (Unicode(), "VARCHAR2"), (NVARCHAR(), "NVARCHAR2"), (VARCHAR(), "VARCHAR"), (oracle.NVARCHAR2(), "NVARCHAR2"), (oracle.VARCHAR2(), "VARCHAR2"), ) def test_varchar_types(self, typ, exp): dialect = oracle.dialect() self.assert_compile(typ, exp, dialect=dialect) @testing.combinations( (String(50), "VARCHAR2(50 CHAR)"), (Unicode(50), "NVARCHAR2(50)"), (NVARCHAR(50), "NVARCHAR2(50)"), (VARCHAR(50), "VARCHAR(50 CHAR)"), (oracle.NVARCHAR2(50), "NVARCHAR2(50)"), (oracle.VARCHAR2(50), "VARCHAR2(50 CHAR)"), (String(), "VARCHAR2"), (Unicode(), "NVARCHAR2"), (NVARCHAR(), "NVARCHAR2"), (VARCHAR(), "VARCHAR"), (oracle.NVARCHAR2(), "NVARCHAR2"), (oracle.VARCHAR2(), "VARCHAR2"), ) def test_varchar_use_nchar_types(self, typ, exp): dialect = oracle.dialect(use_nchar_for_unicode=True) self.assert_compile(typ, exp, dialect=dialect) @testing.combinations( (oracle.INTERVAL(), "INTERVAL DAY TO SECOND"), (oracle.INTERVAL(day_precision=3), "INTERVAL DAY(3) TO SECOND"), (oracle.INTERVAL(second_precision=5), "INTERVAL DAY TO SECOND(5)"), ( oracle.INTERVAL(day_precision=2, second_precision=5), "INTERVAL DAY(2) TO SECOND(5)", ), ) def test_interval(self, type_, expected): self.assert_compile(type_, expected)