1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
|
from tests.dialects.test_dialect import Validator
class TestTeradata(Validator):
dialect = "teradata"
def test_teradata(self):
self.validate_identity("SELECT TOP 10 * FROM tbl")
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(
"REPLACE VIEW view_b (COL1, COL2) AS LOCKING ROW FOR ACCESS SELECT COL1, COL2 FROM table_b",
"CREATE OR REPLACE VIEW view_b (COL1, COL2) AS LOCKING ROW FOR ACCESS SELECT COL1, COL2 FROM table_b",
)
self.validate_identity(
"REPLACE VIEW view_b (COL1, COL2) AS LOCKING ROW FOR ACCESS SELECT COL1, COL2 FROM table_b",
"CREATE OR REPLACE VIEW view_b (COL1, COL2) AS LOCKING ROW FOR ACCESS SELECT COL1, COL2 FROM table_b",
)
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')",
},
)
|
