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from tests.dialects.test_dialect import Validator
class TestTeradata(Validator):
dialect = "teradata"
def test_teradata(self):
self.validate_identity("SELECT * FROM tbl SAMPLE 5")
self.validate_identity(
"SELECT * FROM tbl SAMPLE 0.33, .25, .1",
"SELECT * FROM tbl SAMPLE 0.33, 0.25, 0.1",
)
self.validate_all(
"DATABASE tduser",
read={
"databricks": "USE tduser",
},
write={
"databricks": "USE tduser",
"teradata": "DATABASE tduser",
},
)
def test_translate(self):
self.validate_all(
"TRANSLATE(x USING LATIN_TO_UNICODE)",
write={
"teradata": "CAST(x AS CHAR CHARACTER SET UNICODE)",
},
)
self.validate_identity("CAST(x AS CHAR CHARACTER SET UNICODE)")
def test_update(self):
self.validate_all(
"UPDATE A FROM schema.tableA AS A, (SELECT col1 FROM schema.tableA GROUP BY col1) AS B SET col2 = '' WHERE A.col1 = B.col1",
write={
"teradata": "UPDATE A FROM schema.tableA AS A, (SELECT col1 FROM schema.tableA GROUP BY col1) AS B SET col2 = '' WHERE A.col1 = B.col1",
"mysql": "UPDATE A SET col2 = '' FROM schema.tableA AS A, (SELECT col1 FROM schema.tableA GROUP BY col1) AS B WHERE A.col1 = B.col1",
},
)
def test_statistics(self):
self.validate_identity("COLLECT STATISTICS ON tbl INDEX(col)")
self.validate_identity("COLLECT STATS ON tbl COLUMNS(col)")
self.validate_identity("COLLECT STATS COLUMNS(col) ON tbl")
self.validate_identity("HELP STATISTICS personel.employee")
self.validate_identity("HELP STATISTICS personnel.employee FROM my_qcd")
def test_create(self):
self.validate_identity("CREATE TABLE x (y INT) PRIMARY INDEX (y) PARTITION BY y INDEX (y)")
self.validate_identity("CREATE TABLE x (y INT) PARTITION BY y INDEX (y)")
self.validate_identity(
"CREATE MULTISET VOLATILE TABLE my_table (id INT) PRIMARY INDEX (id) ON COMMIT PRESERVE ROWS"
)
self.validate_identity(
"CREATE SET VOLATILE TABLE my_table (id INT) PRIMARY INDEX (id) ON COMMIT DELETE ROWS"
)
self.validate_identity(
"CREATE TABLE a (b INT) PRIMARY INDEX (y) PARTITION BY RANGE_N(b BETWEEN 'a', 'b' AND 'c' EACH '1')"
)
self.validate_identity(
"CREATE TABLE a (b INT) PARTITION BY RANGE_N(b BETWEEN 0, 1 AND 2 EACH 1)"
)
self.validate_identity(
"CREATE TABLE a (b INT) PARTITION BY RANGE_N(b BETWEEN *, 1 AND * EACH b) INDEX (a)"
)
self.validate_identity(
"CREATE TABLE a, NO FALLBACK PROTECTION, NO LOG, NO JOURNAL, CHECKSUM=ON, NO MERGEBLOCKRATIO, BLOCKCOMPRESSION=ALWAYS (a INT)"
)
self.validate_identity(
"CREATE TABLE a, NO FALLBACK PROTECTION, NO LOG, NO JOURNAL, CHECKSUM=ON, NO MERGEBLOCKRATIO, BLOCKCOMPRESSION=ALWAYS (a INT)"
)
self.validate_identity(
"CREATE TABLE a, WITH JOURNAL TABLE=x.y.z, CHECKSUM=OFF, MERGEBLOCKRATIO=1, DATABLOCKSIZE=10 KBYTES (a INT)"
)
self.validate_identity(
"CREATE TABLE a, BEFORE JOURNAL, AFTER JOURNAL, FREESPACE=1, DEFAULT DATABLOCKSIZE, BLOCKCOMPRESSION=DEFAULT (a INT)"
)
self.validate_identity(
"CREATE TABLE a, DUAL JOURNAL, DUAL AFTER JOURNAL, MERGEBLOCKRATIO=1 PERCENT, DATABLOCKSIZE=10 KILOBYTES (a INT)"
)
self.validate_identity(
"CREATE TABLE a, DUAL BEFORE JOURNAL, LOCAL AFTER JOURNAL, MAXIMUM DATABLOCKSIZE, BLOCKCOMPRESSION=AUTOTEMP(c1 INT) (a INT)"
)
self.validate_identity(
"CREATE VOLATILE MULTISET TABLE a, NOT LOCAL AFTER JOURNAL, FREESPACE=1 PERCENT, DATABLOCKSIZE=10 BYTES, WITH NO CONCURRENT ISOLATED LOADING FOR ALL (a INT)"
)
self.validate_identity(
"CREATE VOLATILE SET TABLE example1 AS (SELECT col1, col2, col3 FROM table1) WITH DATA PRIMARY INDEX (col1) ON COMMIT PRESERVE ROWS"
)
self.validate_all(
"""
CREATE SET TABLE test, NO FALLBACK, NO BEFORE JOURNAL, NO AFTER JOURNAL,
CHECKSUM = DEFAULT (x INT, y INT, z CHAR(30), a INT, b DATE, e INT)
PRIMARY INDEX (a),
INDEX(x, y)
""",
write={
"teradata": "CREATE SET TABLE test, NO FALLBACK, NO BEFORE JOURNAL, NO AFTER JOURNAL, CHECKSUM=DEFAULT (x INT, y INT, z CHAR(30), a INT, b DATE, e INT) PRIMARY INDEX (a) INDEX (x, y)",
},
)
self.validate_all(
"REPLACE VIEW a AS (SELECT b FROM c)",
write={"teradata": "CREATE OR REPLACE VIEW a AS (SELECT b FROM c)"},
)
self.validate_all(
"CREATE VOLATILE TABLE a",
write={
"teradata": "CREATE VOLATILE TABLE a",
"bigquery": "CREATE TABLE a",
"clickhouse": "CREATE TABLE a",
"databricks": "CREATE TABLE a",
"drill": "CREATE TABLE a",
"duckdb": "CREATE TABLE a",
"hive": "CREATE TABLE a",
"mysql": "CREATE TABLE a",
"oracle": "CREATE TABLE a",
"postgres": "CREATE TABLE a",
"presto": "CREATE TABLE a",
"redshift": "CREATE TABLE a",
"snowflake": "CREATE TABLE a",
"spark": "CREATE TABLE a",
"sqlite": "CREATE TABLE a",
"starrocks": "CREATE TABLE a",
"tableau": "CREATE TABLE a",
"trino": "CREATE TABLE a",
"tsql": "CREATE TABLE a",
},
)
def test_insert(self):
self.validate_all(
"INS INTO x SELECT * FROM y", write={"teradata": "INSERT INTO x SELECT * FROM y"}
)
def test_mod(self):
self.validate_all("a MOD b", write={"teradata": "a MOD b", "mysql": "a % b"})
def test_abbrev(self):
self.validate_all("a LT b", write={"teradata": "a < b"})
self.validate_all("a LE b", write={"teradata": "a <= b"})
self.validate_all("a GT b", write={"teradata": "a > b"})
self.validate_all("a GE b", write={"teradata": "a >= b"})
self.validate_all("a ^= b", write={"teradata": "a <> b"})
self.validate_all("a NE b", write={"teradata": "a <> b"})
self.validate_all("a NOT= b", write={"teradata": "a <> b"})
self.validate_all(
"SEL a FROM b",
write={"teradata": "SELECT a FROM b"},
)
def test_datatype(self):
self.validate_all(
"CREATE TABLE z (a ST_GEOMETRY(1))",
write={
"teradata": "CREATE TABLE z (a ST_GEOMETRY(1))",
"redshift": "CREATE TABLE z (a GEOMETRY(1))",
},
)
self.validate_identity("CREATE TABLE z (a SYSUDTLIB.INT)")
def test_cast(self):
self.validate_all(
"CAST('1992-01' AS DATE FORMAT 'YYYY-DD')",
read={
"bigquery": "CAST('1992-01' AS DATE FORMAT 'YYYY-DD')",
},
write={
"teradata": "CAST('1992-01' AS DATE FORMAT 'YYYY-DD')",
"bigquery": "PARSE_DATE('%Y-%d', '1992-01')",
"databricks": "TO_DATE('1992-01', 'yyyy-dd')",
"mysql": "STR_TO_DATE('1992-01', '%Y-%d')",
"spark": "TO_DATE('1992-01', 'yyyy-dd')",
"": "STR_TO_DATE('1992-01', '%Y-%d')",
},
)
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