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from sqlglot import exp, transpile
from sqlglot.errors import ParseError
from tests.dialects.test_dialect import Validator
class TestDatabricks(Validator):
dialect = "databricks"
def test_databricks(self):
self.validate_identity("ALTER TABLE labels ADD COLUMN label_score FLOAT")
self.validate_identity("DESCRIBE HISTORY a.b")
self.validate_identity("DESCRIBE history.tbl")
self.validate_identity("CREATE TABLE t (a STRUCT<c: MAP<STRING, STRING>>)")
self.validate_identity("CREATE TABLE t (c STRUCT<interval: DOUBLE COMMENT 'aaa'>)")
self.validate_identity("CREATE TABLE my_table TBLPROPERTIES (a.b=15)")
self.validate_identity("CREATE TABLE my_table TBLPROPERTIES ('a.b'=15)")
self.validate_identity("SELECT CAST('11 23:4:0' AS INTERVAL DAY TO HOUR)")
self.validate_identity("SELECT CAST('11 23:4:0' AS INTERVAL DAY TO MINUTE)")
self.validate_identity("SELECT CAST('11 23:4:0' AS INTERVAL DAY TO SECOND)")
self.validate_identity("SELECT CAST('23:00:00' AS INTERVAL HOUR TO MINUTE)")
self.validate_identity("SELECT CAST('23:00:00' AS INTERVAL HOUR TO SECOND)")
self.validate_identity("SELECT CAST('23:00:00' AS INTERVAL MINUTE TO SECOND)")
self.validate_identity("CREATE TABLE target SHALLOW CLONE source")
self.validate_identity("INSERT INTO a REPLACE WHERE cond VALUES (1), (2)")
self.validate_identity("CREATE FUNCTION a.b(x INT) RETURNS INT RETURN x + 1")
self.validate_identity("CREATE FUNCTION a AS b")
self.validate_identity("SELECT ${x} FROM ${y} WHERE ${z} > 1")
self.validate_identity("CREATE TABLE foo (x DATE GENERATED ALWAYS AS (CAST(y AS DATE)))")
self.validate_identity("TRUNCATE TABLE t1 PARTITION(age = 10, name = 'test', address)")
self.validate_identity(
"CREATE TABLE IF NOT EXISTS db.table (a TIMESTAMP, b BOOLEAN GENERATED ALWAYS AS (NOT a IS NULL)) USING DELTA"
)
self.validate_identity(
"SELECT DATE_FORMAT(CAST(FROM_UTC_TIMESTAMP(CAST(foo AS TIMESTAMP), 'America/Los_Angeles') AS TIMESTAMP), 'yyyy-MM-dd HH:mm:ss') AS foo FROM t"
)
self.validate_identity(
"SELECT * FROM sales UNPIVOT INCLUDE NULLS (sales FOR quarter IN (q1 AS `Jan-Mar`))"
)
self.validate_identity(
"SELECT * FROM sales UNPIVOT EXCLUDE NULLS (sales FOR quarter IN (q1 AS `Jan-Mar`))"
)
self.validate_identity(
"CREATE FUNCTION add_one(x INT) RETURNS INT LANGUAGE PYTHON AS $$def add_one(x):\n return x+1$$"
)
self.validate_identity(
"CREATE FUNCTION add_one(x INT) RETURNS INT LANGUAGE PYTHON AS $FOO$def add_one(x):\n return x+1$FOO$"
)
self.validate_identity(
"TRUNCATE TABLE t1 PARTITION(age = 10, name = 'test', city LIKE 'LA')"
)
self.validate_identity(
"COPY INTO target FROM `s3://link` FILEFORMAT = AVRO VALIDATE = ALL FILES = ('file1', 'file2') FORMAT_OPTIONS ('opt1'='true', 'opt2'='test') COPY_OPTIONS ('mergeSchema'='true')"
)
self.validate_identity(
"DATE_DIFF(day, created_at, current_date())",
"DATEDIFF(DAY, created_at, CURRENT_DATE)",
).args["unit"].assert_is(exp.Var)
self.validate_identity(
r'SELECT r"\\foo.bar\"',
r"SELECT '\\\\foo.bar\\'",
)
self.validate_all(
"CREATE TABLE foo (x INT GENERATED ALWAYS AS (YEAR(y)))",
write={
"databricks": "CREATE TABLE foo (x INT GENERATED ALWAYS AS (YEAR(TO_DATE(y))))",
"tsql": "CREATE TABLE foo (x AS YEAR(CAST(y AS DATE)))",
},
)
self.validate_all(
"CREATE TABLE t1 AS (SELECT c FROM t2)",
read={
"teradata": "CREATE TABLE t1 AS (SELECT c FROM t2) WITH DATA",
},
)
self.validate_all(
"SELECT X'1A2B'",
read={
"spark2": "SELECT X'1A2B'",
"spark": "SELECT X'1A2B'",
"databricks": "SELECT x'1A2B'",
},
write={
"spark2": "SELECT X'1A2B'",
"spark": "SELECT X'1A2B'",
"databricks": "SELECT X'1A2B'",
},
)
with self.assertRaises(ParseError):
transpile(
"CREATE FUNCTION add_one(x INT) RETURNS INT LANGUAGE PYTHON AS $foo$def add_one(x):\n return x+1$$",
read="databricks",
)
with self.assertRaises(ParseError):
transpile(
"CREATE FUNCTION add_one(x INT) RETURNS INT LANGUAGE PYTHON AS $foo bar$def add_one(x):\n return x+1$foo bar$",
read="databricks",
)
self.validate_all(
"CREATE OR REPLACE FUNCTION func(a BIGINT, b BIGINT) RETURNS TABLE (a INT) RETURN SELECT a",
write={
"databricks": "CREATE OR REPLACE FUNCTION func(a BIGINT, b BIGINT) RETURNS TABLE (a INT) RETURN SELECT a",
"duckdb": "CREATE OR REPLACE FUNCTION func(a, b) AS TABLE SELECT a",
},
)
self.validate_all(
"CREATE OR REPLACE FUNCTION func(a BIGINT, b BIGINT) RETURNS BIGINT RETURN a",
write={
"databricks": "CREATE OR REPLACE FUNCTION func(a BIGINT, b BIGINT) RETURNS BIGINT RETURN a",
"duckdb": "CREATE OR REPLACE FUNCTION func(a, b) AS a",
},
)
# https://docs.databricks.com/sql/language-manual/functions/colonsign.html
def test_json(self):
self.validate_identity("SELECT c1:price, c1:price.foo, c1:price.bar[1]")
self.validate_identity(
"""SELECT c1:item[1].price FROM VALUES ('{ "item": [ { "model" : "basic", "price" : 6.12 }, { "model" : "medium", "price" : 9.24 } ] }') AS T(c1)"""
)
self.validate_identity(
"""SELECT c1:item[*].price FROM VALUES ('{ "item": [ { "model" : "basic", "price" : 6.12 }, { "model" : "medium", "price" : 9.24 } ] }') AS T(c1)"""
)
self.validate_identity(
"""SELECT FROM_JSON(c1:item[*].price, 'ARRAY<DOUBLE>')[0] FROM VALUES ('{ "item": [ { "model" : "basic", "price" : 6.12 }, { "model" : "medium", "price" : 9.24 } ] }') AS T(c1)"""
)
self.validate_identity(
"""SELECT INLINE(FROM_JSON(c1:item[*], 'ARRAY<STRUCT<model STRING, price DOUBLE>>')) FROM VALUES ('{ "item": [ { "model" : "basic", "price" : 6.12 }, { "model" : "medium", "price" : 9.24 } ] }') AS T(c1)"""
)
self.validate_identity(
"""SELECT c1:['price'] FROM VALUES ('{ "price": 5 }') AS T(c1)""",
"""SELECT c1:price FROM VALUES ('{ "price": 5 }') AS T(c1)""",
)
self.validate_identity(
"""SELECT GET_JSON_OBJECT(c1, '$.price') FROM VALUES ('{ "price": 5 }') AS T(c1)""",
"""SELECT c1:price FROM VALUES ('{ "price": 5 }') AS T(c1)""",
)
self.validate_identity(
"""SELECT raw:`zip code`, raw:`fb:testid`, raw:store['bicycle'], raw:store["zip code"]""",
"""SELECT raw:["zip code"], raw:["fb:testid"], raw:store.bicycle, raw:store["zip code"]""",
)
self.validate_all(
"SELECT col:`fr'uit`",
write={
"databricks": """SELECT col:["fr'uit"]""",
"postgres": "SELECT JSON_EXTRACT_PATH(col, 'fr''uit')",
},
)
def test_datediff(self):
self.validate_all(
"SELECT DATEDIFF(year, 'start', 'end')",
write={
"tsql": "SELECT DATEDIFF(YEAR, 'start', 'end')",
"databricks": "SELECT DATEDIFF(YEAR, 'start', 'end')",
},
)
self.validate_all(
"SELECT DATEDIFF(microsecond, 'start', 'end')",
write={
"databricks": "SELECT DATEDIFF(MICROSECOND, 'start', 'end')",
"postgres": "SELECT CAST(EXTRACT(epoch FROM CAST('end' AS TIMESTAMP) - CAST('start' AS TIMESTAMP)) * 1000000 AS BIGINT)",
},
)
self.validate_all(
"SELECT DATEDIFF(millisecond, 'start', 'end')",
write={
"databricks": "SELECT DATEDIFF(MILLISECOND, 'start', 'end')",
"postgres": "SELECT CAST(EXTRACT(epoch FROM CAST('end' AS TIMESTAMP) - CAST('start' AS TIMESTAMP)) * 1000 AS BIGINT)",
},
)
self.validate_all(
"SELECT DATEDIFF(second, 'start', 'end')",
write={
"databricks": "SELECT DATEDIFF(SECOND, 'start', 'end')",
"postgres": "SELECT CAST(EXTRACT(epoch FROM CAST('end' AS TIMESTAMP) - CAST('start' AS TIMESTAMP)) AS BIGINT)",
},
)
self.validate_all(
"SELECT DATEDIFF(minute, 'start', 'end')",
write={
"databricks": "SELECT DATEDIFF(MINUTE, 'start', 'end')",
"postgres": "SELECT CAST(EXTRACT(epoch FROM CAST('end' AS TIMESTAMP) - CAST('start' AS TIMESTAMP)) / 60 AS BIGINT)",
},
)
self.validate_all(
"SELECT DATEDIFF(hour, 'start', 'end')",
write={
"databricks": "SELECT DATEDIFF(HOUR, 'start', 'end')",
"postgres": "SELECT CAST(EXTRACT(epoch FROM CAST('end' AS TIMESTAMP) - CAST('start' AS TIMESTAMP)) / 3600 AS BIGINT)",
},
)
self.validate_all(
"SELECT DATEDIFF(day, 'start', 'end')",
write={
"databricks": "SELECT DATEDIFF(DAY, 'start', 'end')",
"postgres": "SELECT CAST(EXTRACT(epoch FROM CAST('end' AS TIMESTAMP) - CAST('start' AS TIMESTAMP)) / 86400 AS BIGINT)",
},
)
self.validate_all(
"SELECT DATEDIFF(week, 'start', 'end')",
write={
"databricks": "SELECT DATEDIFF(WEEK, 'start', 'end')",
"postgres": "SELECT CAST(EXTRACT(days FROM (CAST('end' AS TIMESTAMP) - CAST('start' AS TIMESTAMP))) / 7 AS BIGINT)",
},
)
self.validate_all(
"SELECT DATEDIFF(month, 'start', 'end')",
write={
"databricks": "SELECT DATEDIFF(MONTH, 'start', 'end')",
"postgres": "SELECT CAST(EXTRACT(year FROM AGE(CAST('end' AS TIMESTAMP), CAST('start' AS TIMESTAMP))) * 12 + EXTRACT(month FROM AGE(CAST('end' AS TIMESTAMP), CAST('start' AS TIMESTAMP))) AS BIGINT)",
},
)
self.validate_all(
"SELECT DATEDIFF(quarter, 'start', 'end')",
write={
"databricks": "SELECT DATEDIFF(QUARTER, 'start', 'end')",
"postgres": "SELECT CAST(EXTRACT(year FROM AGE(CAST('end' AS TIMESTAMP), CAST('start' AS TIMESTAMP))) * 4 + EXTRACT(month FROM AGE(CAST('end' AS TIMESTAMP), CAST('start' AS TIMESTAMP))) / 3 AS BIGINT)",
},
)
self.validate_all(
"SELECT DATEDIFF(year, 'start', 'end')",
write={
"databricks": "SELECT DATEDIFF(YEAR, 'start', 'end')",
"postgres": "SELECT CAST(EXTRACT(year FROM AGE(CAST('end' AS TIMESTAMP), CAST('start' AS TIMESTAMP))) AS BIGINT)",
},
)
def test_add_date(self):
self.validate_all(
"SELECT DATEADD(year, 1, '2020-01-01')",
write={
"tsql": "SELECT DATEADD(YEAR, 1, '2020-01-01')",
"databricks": "SELECT DATEADD(YEAR, 1, '2020-01-01')",
},
)
self.validate_all(
"SELECT DATEDIFF('end', 'start')",
write={"databricks": "SELECT DATEDIFF(DAY, 'start', 'end')"},
)
self.validate_all(
"SELECT DATE_ADD('2020-01-01', 1)",
write={
"tsql": "SELECT DATEADD(DAY, 1, '2020-01-01')",
"databricks": "SELECT DATEADD(DAY, 1, '2020-01-01')",
},
)
def test_without_as(self):
self.validate_all(
"CREATE TABLE x (SELECT 1)",
write={
"databricks": "CREATE TABLE x AS (SELECT 1)",
},
)
self.validate_all(
"WITH x (select 1) SELECT * FROM x",
write={
"databricks": "WITH x AS (SELECT 1) SELECT * FROM x",
},
)
def test_streaming_tables(self):
self.validate_identity(
"CREATE STREAMING TABLE raw_data AS SELECT * FROM STREAM READ_FILES('abfss://container@storageAccount.dfs.core.windows.net/base/path')"
)
self.validate_identity(
"CREATE OR REFRESH STREAMING TABLE csv_data (id INT, ts TIMESTAMP, event STRING) AS SELECT * FROM STREAM READ_FILES('s3://bucket/path', format => 'csv', schema => 'id int, ts timestamp, event string')"
)
|
