# NULL as one of the parameters must result in NULL return value. SELECT ST_LATITUDE(NULL); ST_LATITUDE(NULL) NULL SELECT ST_LATITUDE(NULL, NULL); ST_LATITUDE(NULL, NULL) NULL SELECT ST_LATITUDE(NULL, 1); ST_LATITUDE(NULL, 1) NULL SELECT ST_LATITUDE(ST_GEOMFROMTEXT('POINT(0 0)', 4326), NULL); ST_LATITUDE(ST_GEOMFROMTEXT('POINT(0 0)', 4326), NULL) NULL # Invalid data is not allowed. DO ST_LATITUDE(x'000000000123456789abcdef'); ERROR 22023: Invalid GIS data provided to function st_latitude. DO ST_LATITUDE(x'000000000123456789abcdef', 1); ERROR 22023: Invalid GIS data provided to function st_latitude. # New value must be within the allowed range. DO ST_LATITUDE(ST_GEOMFROMTEXT('POINT(0 0)', 4326), -90.000000001); ERROR 22S03: Latitude -90.000000 is out of range in function st_latitude. It must be within [-90.000000, 90.000000]. DO ST_LATITUDE(ST_GEOMFROMTEXT('POINT(0 0)', 4326), 90.000000001); ERROR 22S03: Latitude 90.000000 is out of range in function st_latitude. It must be within [-90.000000, 90.000000]. # First parameter must be a point. # Cartesian SRID 0 DO ST_LATITUDE(ST_GEOMFROMTEXT('LINESTRING(0 0, 1 1)', 0)); ERROR 22S01: POINT value is a geometry of unexpected type LINESTRING in st_latitude. DO ST_LATITUDE(ST_GEOMFROMTEXT('POLYGON((0 0, 0 1, 1 1, 0 0))', 0)); ERROR 22S01: POINT value is a geometry of unexpected type POLYGON in st_latitude. DO ST_LATITUDE(ST_GEOMFROMTEXT('MULTIPOINT((0 0))', 0)); ERROR 22S01: POINT value is a geometry of unexpected type MULTIPOINT in st_latitude. DO ST_LATITUDE(ST_GEOMFROMTEXT('MULTIPOINT((0 0), (1 1))', 0)); ERROR 22S01: POINT value is a geometry of unexpected type MULTIPOINT in st_latitude. DO ST_LATITUDE(ST_GEOMFROMTEXT('MULTILINESTRING((0 0, 1 1))', 0)); ERROR 22S01: POINT value is a geometry of unexpected type MULTILINESTRING in st_latitude. DO ST_LATITUDE(ST_GEOMFROMTEXT('MULTIPOLYGON(((0 0, 0 1, 1 1, 0 0)))', 0)); ERROR 22S01: POINT value is a geometry of unexpected type MULTIPOLYGON in st_latitude. DO ST_LATITUDE(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(POINT(0 0))', 0)); ERROR 22S01: POINT value is a geometry of unexpected type GEOMCOLLECTION in st_latitude. # Projected DO ST_LATITUDE(ST_GEOMFROMTEXT('LINESTRING(0 0, 1 1)', 3857)); ERROR 22S01: POINT value is a geometry of unexpected type LINESTRING in st_latitude. DO ST_LATITUDE(ST_GEOMFROMTEXT('POLYGON((0 0, 0 1, 1 1, 0 0))', 3857)); ERROR 22S01: POINT value is a geometry of unexpected type POLYGON in st_latitude. DO ST_LATITUDE(ST_GEOMFROMTEXT('MULTIPOINT((0 0))', 3857)); ERROR 22S01: POINT value is a geometry of unexpected type MULTIPOINT in st_latitude. DO ST_LATITUDE(ST_GEOMFROMTEXT('MULTIPOINT((0 0), (1 1))', 3857)); ERROR 22S01: POINT value is a geometry of unexpected type MULTIPOINT in st_latitude. DO ST_LATITUDE(ST_GEOMFROMTEXT('MULTILINESTRING((0 0, 1 1))', 3857)); ERROR 22S01: POINT value is a geometry of unexpected type MULTILINESTRING in st_latitude. DO ST_LATITUDE(ST_GEOMFROMTEXT('MULTIPOLYGON(((0 0, 0 1, 1 1, 0 0)))', 3857)); ERROR 22S01: POINT value is a geometry of unexpected type MULTIPOLYGON in st_latitude. DO ST_LATITUDE(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(POINT(0 0))', 3857)); ERROR 22S01: POINT value is a geometry of unexpected type GEOMCOLLECTION in st_latitude. # Geographic DO ST_LATITUDE(ST_GEOMFROMTEXT('LINESTRING(0 0, 1 1)', 4326)); ERROR 22S01: POINT value is a geometry of unexpected type LINESTRING in st_latitude. DO ST_LATITUDE(ST_GEOMFROMTEXT('POLYGON((0 0, 0 1, 1 1, 0 0))', 4326)); ERROR 22S01: POINT value is a geometry of unexpected type POLYGON in st_latitude. DO ST_LATITUDE(ST_GEOMFROMTEXT('MULTIPOINT((0 0))', 4326)); ERROR 22S01: POINT value is a geometry of unexpected type MULTIPOINT in st_latitude. DO ST_LATITUDE(ST_GEOMFROMTEXT('MULTIPOINT((0 0), (1 1))', 4326)); ERROR 22S01: POINT value is a geometry of unexpected type MULTIPOINT in st_latitude. DO ST_LATITUDE(ST_GEOMFROMTEXT('MULTILINESTRING((0 0, 1 1))', 4326)); ERROR 22S01: POINT value is a geometry of unexpected type MULTILINESTRING in st_latitude. DO ST_LATITUDE(ST_GEOMFROMTEXT('MULTIPOLYGON(((0 0, 0 1, 1 1, 0 0)))', 4326)); ERROR 22S01: POINT value is a geometry of unexpected type MULTIPOLYGON in st_latitude. DO ST_LATITUDE(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(POINT(0 0))', 4326)); ERROR 22S01: POINT value is a geometry of unexpected type GEOMCOLLECTION in st_latitude. # Point must be geographic. DO ST_LATITUDE(ST_GEOMFROMTEXT('POINT(0 0)', 0)); ERROR 22S00: Function st_latitude is only defined for geographic spatial reference systems, but one of its arguments is in SRID 0, which is not geographic. DO ST_LATITUDE(ST_GEOMFROMTEXT('POINT(0 0)', 3857)); ERROR 22S00: Function st_latitude is only defined for geographic spatial reference systems, but one of its arguments is in SRID 3857, which is not geographic. DO ST_LATITUDE(ST_GEOMFROMTEXT('POINT(0 0)', 4326)); DO ST_LATITUDE(ST_GEOMFROMTEXT('POINT(0 0)', 0), 1); ERROR 22S00: Function st_latitude is only defined for geographic spatial reference systems, but one of its arguments is in SRID 0, which is not geographic. DO ST_LATITUDE(ST_GEOMFROMTEXT('POINT(0 0)', 3857), 1); ERROR 22S00: Function st_latitude is only defined for geographic spatial reference systems, but one of its arguments is in SRID 3857, which is not geographic. DO ST_LATITUDE(ST_GEOMFROMTEXT('POINT(0 0)', 4326), 1); # Get or set the latitude of a point in a lat-long SRS. SELECT ST_LATITUDE(ST_GEOMFROMTEXT('POINT(1 0)', 4326)); ST_LATITUDE(ST_GEOMFROMTEXT('POINT(1 0)', 4326)) 1 SELECT HEX(ST_LATITUDE(ST_GEOMFROMTEXT('POINT(0 0)', 4326), 1)); HEX(ST_LATITUDE(ST_GEOMFROMTEXT('POINT(0 0)', 4326), 1)) E610000001010000000000000000000000000000000000F03F # Get or set the latitude of a point in a long-lat SRS. SELECT ST_LATITUDE(ST_GEOMFROMTEXT('POINT(0 1)', 7035)); ST_LATITUDE(ST_GEOMFROMTEXT('POINT(0 1)', 7035)) 1 SELECT HEX(ST_LATITUDE(ST_GEOMFROMTEXT('POINT(0 0)', 7035), 1)); HEX(ST_LATITUDE(ST_GEOMFROMTEXT('POINT(0 0)', 7035), 1)) 7B1B000001010000000000000000000000000000000000F03F # Get or set the latitude of a point in a lat-long SRS with a meridian # that doesn't go through Greenwich. SELECT ST_LATITUDE(ST_GEOMFROMTEXT('POINT(1 0)', 4801)); ST_LATITUDE(ST_GEOMFROMTEXT('POINT(1 0)', 4801)) 1 SELECT HEX(ST_LATITUDE(ST_GEOMFROMTEXT('POINT(1 0)', 4801), 1)); HEX(ST_LATITUDE(ST_GEOMFROMTEXT('POINT(1 0)', 4801), 1)) C112000001010000000000000000000000000000000000F03F