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from tests.dialects.test_dialect import Validator
class TestRedshift(Validator):
dialect = "redshift"
def test_redshift(self):
self.validate_all(
'create table "group" ("col" char(10))',
write={
"redshift": 'CREATE TABLE "group" ("col" CHAR(10))',
"mysql": "CREATE TABLE `group` (`col` CHAR(10))",
},
)
self.validate_all(
'create table if not exists city_slash_id("city/id" integer not null, state char(2) not null)',
write={
"redshift": 'CREATE TABLE IF NOT EXISTS city_slash_id ("city/id" INTEGER NOT NULL, state CHAR(2) NOT NULL)',
"presto": 'CREATE TABLE IF NOT EXISTS city_slash_id ("city/id" INTEGER NOT NULL, state CHAR(2) NOT NULL)',
},
)
self.validate_all(
"SELECT ST_AsEWKT(ST_GeomFromEWKT('SRID=4326;POINT(10 20)')::geography)",
write={
"redshift": "SELECT ST_ASEWKT(CAST(ST_GEOMFROMEWKT('SRID=4326;POINT(10 20)') AS GEOGRAPHY))",
"bigquery": "SELECT ST_ASEWKT(CAST(ST_GEOMFROMEWKT('SRID=4326;POINT(10 20)') AS GEOGRAPHY))",
},
)
self.validate_all(
"SELECT ST_AsEWKT(ST_GeogFromText('LINESTRING(110 40, 2 3, -10 80, -7 9)')::geometry)",
write={
"redshift": "SELECT ST_ASEWKT(CAST(ST_GEOGFROMTEXT('LINESTRING(110 40, 2 3, -10 80, -7 9)') AS GEOMETRY))",
},
)
self.validate_all(
"SELECT 'abc'::BINARY",
write={
"redshift": "SELECT CAST('abc' AS VARBYTE)",
},
)
self.validate_all(
"SELECT * FROM venue WHERE (venuecity, venuestate) IN (('Miami', 'FL'), ('Tampa', 'FL')) ORDER BY venueid",
write={
"redshift": "SELECT * FROM venue WHERE (venuecity, venuestate) IN (('Miami', 'FL'), ('Tampa', 'FL')) ORDER BY venueid",
},
)
self.validate_all(
'SELECT tablename, "column" FROM pg_table_def WHERE "column" LIKE \'%start\\_%\' LIMIT 5',
write={
"redshift": 'SELECT tablename, "column" FROM pg_table_def WHERE "column" LIKE \'%start\\\\_%\' LIMIT 5'
},
)
self.validate_all(
"SELECT DISTINCT ON (a) a, b FROM x ORDER BY c DESC",
write={
"redshift": 'SELECT a, b FROM (SELECT a, b, ROW_NUMBER() OVER (PARTITION BY a ORDER BY c DESC) AS "_row_number" FROM x) WHERE "_row_number" = 1',
},
)
self.validate_all(
"DECODE(x, a, b, c, d)",
write={
"": "MATCHES(x, a, b, c, d)",
"oracle": "DECODE(x, a, b, c, d)",
"snowflake": "DECODE(x, a, b, c, d)",
},
)
self.validate_all(
"NVL(a, b, c, d)",
write={
"redshift": "COALESCE(a, b, c, d)",
"mysql": "COALESCE(a, b, c, d)",
"postgres": "COALESCE(a, b, c, d)",
},
)
def test_identity(self):
self.validate_identity(
"SELECT DECODE(COL1, 'replace_this', 'with_this', 'replace_that', 'with_that')"
)
self.validate_identity("CAST('bla' AS SUPER)")
self.validate_identity("CREATE TABLE real1 (realcol REAL)")
self.validate_identity("CAST('foo' AS HLLSKETCH)")
self.validate_identity("SELECT DATEADD(day, 1, 'today')")
self.validate_identity("'abc' SIMILAR TO '(b|c)%'")
self.validate_identity(
"SELECT caldate + INTERVAL '1 second' AS dateplus FROM date WHERE caldate = '12-31-2008'"
)
self.validate_identity("CREATE TABLE datetable (start_date DATE, end_date DATE)")
self.validate_identity(
"SELECT COUNT(*) FROM event WHERE eventname LIKE '%Ring%' OR eventname LIKE '%Die%'"
)
self.validate_identity("CREATE TABLE SOUP DISTKEY(soup1) SORTKEY(soup2) DISTSTYLE ALL")
self.validate_identity(
"CREATE TABLE sales (salesid INTEGER NOT NULL) DISTKEY(listid) COMPOUND SORTKEY(listid, sellerid) DISTSTYLE AUTO"
)
self.validate_identity(
"COPY customer FROM 's3://mybucket/customer' IAM_ROLE 'arn:aws:iam::0123456789012:role/MyRedshiftRole'"
)
self.validate_identity(
"UNLOAD ('select * from venue') TO 's3://mybucket/unload/' IAM_ROLE 'arn:aws:iam::0123456789012:role/MyRedshiftRole'"
)
self.validate_identity(
"CREATE TABLE SOUP (SOUP1 VARCHAR(50) NOT NULL ENCODE ZSTD, SOUP2 VARCHAR(70) NULL ENCODE DELTA)"
)
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