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
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
|
from tests.dialects.test_dialect import Validator
class TestTeradata(Validator):
dialect = "teradata"
def test_teradata(self):
self.validate_identity("TO_NUMBER(expr, fmt, nlsparam)")
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)", check_command_warning=True)
self.validate_identity("COLLECT STATS ON tbl COLUMNS(col)", check_command_warning=True)
self.validate_identity("COLLECT STATS COLUMNS(col) ON tbl", check_command_warning=True)
self.validate_identity("HELP STATISTICS personel.employee", check_command_warning=True)
self.validate_identity(
"HELP STATISTICS personnel.employee FROM my_qcd", check_command_warning=True
)
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_identity(
"CREATE SET GLOBAL TEMPORARY TABLE a, NO BEFORE JOURNAL, NO AFTER JOURNAL, MINIMUM DATABLOCKSIZE, BLOCKCOMPRESSION=NEVER (a INT)"
)
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_power(self):
self.validate_all("a ** b", write={"teradata": "a ** b", "mysql": "POWER(a, b)"})
def test_abbrev(self):
self.validate_identity("a LT b", "a < b")
self.validate_identity("a LE b", "a <= b")
self.validate_identity("a GT b", "a > b")
self.validate_identity("a GE b", "a >= b")
self.validate_identity("a ^= b", "a <> b")
self.validate_identity("a NE b", "a <> b")
self.validate_identity("a NOT= b", "a <> b")
self.validate_identity("a EQ b", "a = b")
self.validate_identity("SEL a FROM b", "SELECT a FROM b")
self.validate_identity(
"SELECT col1, col2 FROM dbc.table1 WHERE col1 EQ 'value1' MINUS SELECT col1, col2 FROM dbc.table2",
"SELECT col1, col2 FROM dbc.table1 WHERE col1 = 'value1' EXCEPT SELECT col1, col2 FROM dbc.table2",
)
self.validate_identity("UPD a SET b = 1", "UPDATE a SET b = 1")
self.validate_identity("DEL FROM a", "DELETE FROM a")
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')",
},
)
self.validate_identity("CAST('1992-01' AS FORMAT 'YYYY-DD')")
self.validate_all(
"TRYCAST('-2.5' AS DECIMAL(5, 2))",
read={
"snowflake": "TRY_CAST('-2.5' AS DECIMAL(5, 2))",
},
write={
"snowflake": "TRY_CAST('-2.5' AS DECIMAL(5, 2))",
"teradata": "TRYCAST('-2.5' AS DECIMAL(5, 2))",
},
)
def test_time(self):
self.validate_all(
"CURRENT_TIMESTAMP",
read={
"teradata": "CURRENT_TIMESTAMP",
"snowflake": "CURRENT_TIMESTAMP()",
},
)
self.validate_all(
"SELECT '2023-01-01' + INTERVAL '5' YEAR",
read={
"teradata": "SELECT '2023-01-01' + INTERVAL '5' YEAR",
"snowflake": "SELECT DATEADD(YEAR, 5, '2023-01-01')",
},
)
self.validate_all(
"SELECT '2023-01-01' - INTERVAL '5' YEAR",
read={
"teradata": "SELECT '2023-01-01' - INTERVAL '5' YEAR",
"snowflake": "SELECT DATEADD(YEAR, -5, '2023-01-01')",
},
)
self.validate_all(
"SELECT '2023-01-01' - INTERVAL '5' YEAR",
read={
"teradata": "SELECT '2023-01-01' - INTERVAL '5' YEAR",
"sqlite": "SELECT DATE_SUB('2023-01-01', 5, YEAR)",
},
)
self.validate_all(
"SELECT '2023-01-01' + INTERVAL '5' YEAR",
read={
"teradata": "SELECT '2023-01-01' + INTERVAL '5' YEAR",
"sqlite": "SELECT DATE_SUB('2023-01-01', -5, YEAR)",
},
)
self.validate_all(
"SELECT (90 * INTERVAL '1' DAY)",
read={
"teradata": "SELECT (90 * INTERVAL '1' DAY)",
"snowflake": "SELECT INTERVAL '1' QUARTER",
},
)
self.validate_all(
"SELECT (7 * INTERVAL '1' DAY)",
read={
"teradata": "SELECT (7 * INTERVAL '1' DAY)",
"snowflake": "SELECT INTERVAL '1' WEEK",
},
)
self.validate_all(
"SELECT '2023-01-01' + (90 * INTERVAL '5' DAY)",
read={
"teradata": "SELECT '2023-01-01' + (90 * INTERVAL '5' DAY)",
"snowflake": "SELECT DATEADD(QUARTER, 5, '2023-01-01')",
},
)
self.validate_all(
"SELECT '2023-01-01' + (7 * INTERVAL '5' DAY)",
read={
"teradata": "SELECT '2023-01-01' + (7 * INTERVAL '5' DAY)",
"snowflake": "SELECT DATEADD(WEEK, 5, '2023-01-01')",
},
)
self.validate_all(
"CAST(TO_CHAR(x, 'Q') AS INT)",
read={
"teradata": "CAST(TO_CHAR(x, 'Q') AS INT)",
"snowflake": "DATE_PART(QUARTER, x)",
"bigquery": "EXTRACT(QUARTER FROM x)",
},
)
self.validate_all(
"EXTRACT(MONTH FROM x)",
read={
"teradata": "EXTRACT(MONTH FROM x)",
"snowflake": "DATE_PART(MONTH, x)",
"bigquery": "EXTRACT(MONTH FROM x)",
},
)
self.validate_all(
"CAST(TO_CHAR(x, 'Q') AS INT)",
read={
"snowflake": "quarter(x)",
"teradata": "CAST(TO_CHAR(x, 'Q') AS INT)",
},
)
|
