MDEV-34160: Implements ST_LongFromGeoHash

The GIS function ST_LongFromGeoHash takes in input a geohash and returns
its longitude.
The longitude is returned as a numeric value in the interval
[180, -180].
If the argument is NULL, the return value is NULL. If the argument is
invalid, an ER_GIS_INVALID_DATA is thrown.

Author: StefanoPetrilli <stefanop_1999@hotmail.it>
Co-authored-by: kevincheng2 <chengyf112@gmail.com>
Co-authored-by: Catalin Besleaga <catalin.besleaga@oracle.com>
Co-authored-by: Gleb Shchepa <gleb.shchepa@oracle.com>
Co-authored-by: Tatiana Azundris Nuernberg <tatjana.nuernberg@oracle.com>
Co-authored-by: Martin Hansson <martin.hansson@oracle.com>
Co-authored-by: Deepa Dixit <deepa.dixit@oracle.com>
Co-authored-by: Hans H Melby <hans.h.melby@oracle.com>
Co-authored-by: Jens Even Berg Blomsøy <jens.even.blomsoy@oracle.com>
Co-authored-by: Erlend Dahl <erlend.dahl@oracle.com>
Co-authored-by: Norvald H. Ryeng <norvald.ryeng@oracle.com>
Co-authored-by: BennyWang <benny.wang@oracle.com>
Co-authored-by: David.Zhao <david.zhao@oracle.com>
Co-authored-by: Erik Froseth <erik.froseth@oracle.com>

mysql-test/main/spatial_utility_function_geohash.result

+# valid characters
+SELECT ST_LONGFROMGEOHASH("0");
+ST_LONGFROMGEOHASH("0")
+-158
+SELECT ST_LONGFROMGEOHASH("z");
+ST_LONGFROMGEOHASH("z")
+158
+SELECT ST_LONGFROMGEOHASH("0z");
+ST_LONGFROMGEOHASH("0z")
+-141
+SELECT ST_LONGFROMGEOHASH("upbp");
+ST_LONGFROMGEOHASH("upbp")
+0
+SELECT ST_LONGFROMGEOHASH("h000");
+ST_LONGFROMGEOHASH("h000")
+0
+SELECT ST_LONGFROMGEOHASH("s000");
+ST_LONGFROMGEOHASH("s000")
+0
+SELECT ST_LONGFROMGEOHASH("0123456789");
+ST_LONGFROMGEOHASH("0123456789")
+-179.55743
+SELECT ST_LONGFROMGEOHASH("9876543210");
+ST_LONGFROMGEOHASH("9876543210")
+-107.79609
+SELECT ST_LONGFROMGEOHASH("bcdefghjkmnpqrstuvwxyz");
+ST_LONGFROMGEOHASH("bcdefghjkmnpqrstuvwxyz")
+-142.6078415216915
+SELECT ST_LONGFROMGEOHASH("zyxwvutsrqpnmkjhgfedcb");
+ST_LONGFROMGEOHASH("zyxwvutsrqpnmkjhgfedcb")
+179.55743439816956
+SELECT ST_LONGFROMGEOHASH("zzzzzzzzzzzzzzzzzzzz");
+ST_LONGFROMGEOHASH("zzzzzzzzzzzzzzzzzzzz")
+180
+SELECT ST_LONGFROMGEOHASH("pbpbpbpbpbpbpbpbpbpb");
+ST_LONGFROMGEOHASH("pbpbpbpbpbpbpbpbpbpb")
+180
+SELECT ST_LONGFROMGEOHASH("bpbpbpbpbpbpbpbpbpbp");
+ST_LONGFROMGEOHASH("bpbpbpbpbpbpbpbpbpbp")
+-180
+SELECT ST_LONGFROMGEOHASH("00000000000000000000");
+ST_LONGFROMGEOHASH("00000000000000000000")
+-180
+SELECT ST_LONGFROMGEOHASH("rzzzzzzzzzzzzzzzzzzz");
+ST_LONGFROMGEOHASH("rzzzzzzzzzzzzzzzzzzz")
+180
+SELECT ST_LONGFROMGEOHASH("2pbpbpbpbpbpbpbpbpbp");
+ST_LONGFROMGEOHASH("2pbpbpbpbpbpbpbpbpbp")
+-180
+SELECT ST_LONGFROMGEOHASH("7zzzzzzzzzzzzzzzzzzz");
+ST_LONGFROMGEOHASH("7zzzzzzzzzzzzzzzzzzz")
+0
+SELECT ST_LONGFROMGEOHASH("gzzzzzzzzzzzzzzzzzzz");
+ST_LONGFROMGEOHASH("gzzzzzzzzzzzzzzzzzzz")
+0
+SELECT ST_LONGFROMGEOHASH("5bpbpbpbpbpbpbpbpbpb");
+ST_LONGFROMGEOHASH("5bpbpbpbpbpbpbpbpbpb")
+0
+SELECT ST_LONGFROMGEOHASH("0000000000zzzzzzzzzz");
+ST_LONGFROMGEOHASH("0000000000zzzzzzzzzz")
+-179.999989271164
+SELECT ST_LONGFROMGEOHASH("zzzzzzzzzz0000000000");
+ST_LONGFROMGEOHASH("zzzzzzzzzz0000000000")
+179.999989271164
+SELECT ST_LONGFROMGEOHASH("s000000001z7wsg7zzm6");
+ST_LONGFROMGEOHASH("s000000001z7wsg7zzm6")
+0.00001
+SELECT ST_LONGFROMGEOHASH("kpbpbpbpbnpkqe5kpbtm");
+ST_LONGFROMGEOHASH("kpbpbpbpbnpkqe5kpbtm")
+0.00001
+SELECT ST_LONGFROMGEOHASH("ebpbpbpbpcbe9kuebp6d");
+ST_LONGFROMGEOHASH("ebpbpbpbpcbe9kuebp6d")
+-0.00001
+SELECT ST_LONGFROMGEOHASH("7zzzzzzzzy0s37hs00dt");
+ST_LONGFROMGEOHASH("7zzzzzzzzy0s37hs00dt")
+-0.00001
+SELECT ST_LONGFROMGEOHASH("tzzzzzzzzzzzzzzzzzzz");
+ST_LONGFROMGEOHASH("tzzzzzzzzzzzzzzzzzzz")
+90
+SELECT ST_LONGFROMGEOHASH("jzzzzzzzzzzzzzzzzzzz");
+ST_LONGFROMGEOHASH("jzzzzzzzzzzzzzzzzzzz")
+90
+SELECT ST_LONGFROMGEOHASH("9zzzzzzzzzzzzzzzzzzz");
+ST_LONGFROMGEOHASH("9zzzzzzzzzzzzzzzzzzz")
+-90
+SELECT ST_LONGFROMGEOHASH("1zzzzzzzzzzzzzzzzzzz");
+ST_LONGFROMGEOHASH("1zzzzzzzzzzzzzzzzzzz")
+-90
+SELECT ST_LONGFROMGEOHASH("ypzpgxczbzurypzpgxcz");
+ST_LONGFROMGEOHASH("ypzpgxczbzurypzpgxcz")
+100
+SELECT ST_LONGFROMGEOHASH("czbzurypzpgxczbzuryp");
+ST_LONGFROMGEOHASH("czbzurypzpgxczbzuryp")
+-100
+SELECT ST_LONGFROMGEOHASH("0z0z0z0z0z0z0z0z0z0z0z0z0z0z0z0z");
+ST_LONGFROMGEOHASH("0z0z0z0z0z0z0z0z0z0z0z0z0z0z0z0z")
+-145.16129032258067
+SELECT ST_LONGFROMGEOHASH("0123456789bcdefghjkmnpqrstuvwxyz");
+ST_LONGFROMGEOHASH("0123456789bcdefghjkmnpqrstuvwxyz")
+-179.55743439816956
+SELECT ST_LONGFROMGEOHASH("0123456789BCDEFGHJKMNPQRSTUVWXYZ");
+ST_LONGFROMGEOHASH("0123456789BCDEFGHJKMNPQRSTUVWXYZ")
+-179.55743439816956
+SELECT ST_LONGFROMGEOHASH("zyxwvutsrqpnmkjhgfedcb9876543210");
+ST_LONGFROMGEOHASH("zyxwvutsrqpnmkjhgfedcb9876543210")
+179.55743439816956
+SELECT ST_LONGFROMGEOHASH("ZYXWVUTSRQPNMKJHGFEDCB9876543210");
+ST_LONGFROMGEOHASH("ZYXWVUTSRQPNMKJHGFEDCB9876543210")
+179.55743439816956
+SELECT ST_LONGFROMGEOHASH("1e1");
+ST_LONGFROMGEOHASH("1e1")
+-110
+SELECT ST_LONGFROMGEOHASH("100");
+ST_LONGFROMGEOHASH("100")
+-134
+SELECT ST_LONGFROMGEOHASH(CAST(100 AS CHAR));
+ST_LONGFROMGEOHASH(CAST(100 AS CHAR))
+-134
+SELECT ST_LONGFROMGEOHASH("10111000110001111001");
+ST_LONGFROMGEOHASH("10111000110001111001")
+-133.549761770805
+SELECT ST_LONGFROMGEOHASH("11111111111111111111");
+ST_LONGFROMGEOHASH("11111111111111111111")
+-133.548387096774
+SELECT ST_LONGFROMGEOHASH("99999999999999999999");
+ST_LONGFROMGEOHASH("99999999999999999999")
+-110.3225806451612
+SELECT ST_LONGFROMGEOHASH(CAST("012" AS BINARY));
+ST_LONGFROMGEOHASH(CAST("012" AS BINARY))
+-179
+SELECT ST_LONGFROMGEOHASH(NULL);
+ST_LONGFROMGEOHASH(NULL)
+NULL
+SELECT ST_LONGFROMGEOHASH(null);
+ST_LONGFROMGEOHASH(null)
+NULL
+# invalid characters and inputs
+SELECT ST_LONGFROMGEOHASH("0123a45");
+ERROR HY000: Incorrect geohash value: '0123a45' for function st_longfromgeohash
+SELECT ST_LONGFROMGEOHASH("xyzi");
+ERROR HY000: Incorrect geohash value: 'xyzi' for function st_longfromgeohash
+SELECT ST_LONGFROMGEOHASH("zyxLwv");
+ERROR HY000: Incorrect geohash value: 'zyxLwv' for function st_longfromgeohash
+SELECT ST_LONGFROMGEOHASH("bcdjo");
+ERROR HY000: Incorrect geohash value: 'bcdjo' for function st_longfromgeohash
+SELECT ST_LONGFROMGEOHASH("zyx**wv");
+ERROR HY000: Incorrect geohash value: 'zyx**wv' for function st_longfromgeohash
+SELECT ST_LONGFROMGEOHASH("1 2 3 4");
+ERROR HY000: Incorrect geohash value: '1 2 3 4' for function st_longfromgeohash
+SELECT ST_LONGFROMGEOHASH("1''2345");
+ERROR HY000: Incorrect geohash value: '1''2345' for function st_longfromgeohash
+SELECT ST_LONGFROMGEOHASH("12.345");
+ERROR HY000: Incorrect geohash value: '12.345' for function st_longfromgeohash
+SELECT ST_LONGFROMGEOHASH("   ");
+ERROR HY000: Incorrect geohash value: '   ' for function st_longfromgeohash
+SELECT ST_LONGFROMGEOHASH("NULL");
+ERROR HY000: Incorrect geohash value: 'NULL' for function st_longfromgeohash
+SELECT ST_LONGFROMGEOHASH("0a 0d");
+ERROR HY000: Incorrect geohash value: '0a 0d' for function st_longfromgeohash
+SELECT ST_LONGFROMGEOHASH("-100");
+ERROR HY000: Incorrect geohash value: '-100' for function st_longfromgeohash
+SELECT ST_LONGFROMGEOHASH("");
+ERROR HY000: Incorrect geohash value: '' for function st_longfromgeohash
+SELECT ST_LONGFROMGEOHASH(9876543210);
+ERROR 22023: Invalid GIS data provided to function ST_LongFromGeoHas.
+SELECT ST_LONGFROMGEOHASH(0123456789);
+ERROR 22023: Invalid GIS data provided to function ST_LongFromGeoHas.
+SELECT ST_LONGFROMGEOHASH(1e1);
+ERROR 22023: Invalid GIS data provided to function ST_LongFromGeoHas.
+SELECT ST_LONGFROMGEOHASH();
+ERROR 42000: Incorrect parameter count in the call to native function 'ST_LONGFROMGEOHASH'
+SELECT ST_LONGFROMGEOHASH("123","456");
+ERROR 42000: Incorrect parameter count in the call to native function 'ST_LONGFROMGEOHASH'
+SELECT ST_LONGFROMGEOHASH("123",);
+ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near ')' at line 1
+SELECT ST_LONGFROMGEOHASH(,"456");
+ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '"456")' at line 1
+SELECT ST_LONGFROMGEOHASH(,);
+ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near ')' at line 1
+SELECT ST_LONGFROMGEOHASH("0123456"789);
+ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '789)' at line 1
+SELECT ST_LONGFROMGEOHASH(abcdef);
+ERROR 42S22: Unknown column 'abcdef' in 'field list'
+# very long geohash
+SELECT ST_LONGFROMGEOHASH("0123456789bcdefghjkmnpqrstuvwxyz0123456789bcdefghjkm"
+                          "npqrstuvwxyz0123456789bcdefghjkmnpqrstuvwxyz01234567"
+                          "89bcdefghjkmnpqrstuvwxyz");
+ST_LONGFROMGEOHASH("0123456789bcdefghjkmnpqrstuvwxyz0123456789bcdefghjkm"
+                          "npqrstuvwxyz0123456789bcdefghjkmnpqrstuvwxyz01234567"
+                          "89bcdefghjkmnpqrstuvwxyz")
+-179.55743439816956
+SELECT ST_LONGFROMGEOHASH("0123456789BCDEFGHJKMNPQRSTUVWXYZ0123456789BCDEFGHJKM"
+                          "NPQRSTUVWXYZ0123456789BCDEFGHJKMNPQRSTUVWXYZ01234567"
+                          "89BCDEFGHJKMNPQRSTUVWXYZ");
+ST_LONGFROMGEOHASH("0123456789BCDEFGHJKMNPQRSTUVWXYZ0123456789BCDEFGHJKM"
+                          "NPQRSTUVWXYZ0123456789BCDEFGHJKMNPQRSTUVWXYZ01234567"
+                          "89BCDEFGHJKMNPQRSTUVWXYZ")
+-179.55743439816956
+SELECT ST_LONGFROMGEOHASH("zyxwvutsrqpnmkjhgfedcb9876543210zyxwvutsrqpnmkjhgfed"
+                          "cb9876543210zyxwvutsrqpnmkjhgfedcb9876543210zyxwvuts"
+                          "rqpnmkjhgfedcb9876543210");
+ST_LONGFROMGEOHASH("zyxwvutsrqpnmkjhgfedcb9876543210zyxwvutsrqpnmkjhgfed"
+                          "cb9876543210zyxwvutsrqpnmkjhgfedcb9876543210zyxwvuts"
+                          "rqpnmkjhgfedcb9876543210")
+179.55743439816956
+SELECT ST_LONGFROMGEOHASH("ZYXWVUTSRQPNMKJHGFEDCB9876543210ZYXWVUTSRQPNMKJHGFED"
+                          "CB9876543210ZYXWVUTSRQPNMKJHGFEDCB9876543210ZYXWVUTS"
+                          "RQPNMKJHGFEDCB9876543210");
+ST_LONGFROMGEOHASH("ZYXWVUTSRQPNMKJHGFEDCB9876543210ZYXWVUTSRQPNMKJHGFED"
+                          "CB9876543210ZYXWVUTSRQPNMKJHGFEDCB9876543210ZYXWVUTS"
+                          "RQPNMKJHGFEDCB9876543210")
+179.55743439816956
 CREATE TABLE geohashes  (gid INT NOT NULL PRIMARY KEY, hash_value VARCHAR(255));
 INSERT INTO geohashes VALUES
 (1, "000000000000000000000"),
@@ -18,6 +230,27 @@ INSERT INTO geohashes VALUES
 (16, "vqghx20fx6d8r5vfkbgf"),
 (17, "wvetm3u23kr9r6663k31"),
 (18, "e5t2p7sk291vpyb08pwu");
+# different random geohash values
+SELECT ST_LONGFROMGEOHASH(hash_value) FROM geohashes;
+ST_LONGFROMGEOHASH(hash_value)
+-180
+180
+NULL
+1
+-0.1
+1
+-158
+158
+-105.343666081393
+75.4258807526218
+113.2506169687463
+4.4253282778628
+-113.9241805635394
+-132.9724051824284
+102.7417962437673
+60.7886982739903
+128.908488386749
+-37.292723368146
 # valid characters
 SELECT ST_LATFROMGEOHASH("0");
 ST_LATFROMGEOHASH("0")
@@ -333,7 +566,7 @@ ST_GEOHASH(180,NULL,10)
 NULL
 SELECT ST_GEOHASH(180,90,NULL);
 ST_GEOHASH(180,90,NULL)
-NULL
+zzzzzzzzzzzzzzzzzzzzzz
 SELECT ST_GEOHASH(ST_GEOMFROMTEXT('POINT(0 0)'),10);
 ST_GEOHASH(ST_GEOMFROMTEXT('POINT(0 0)'),10)
 s000000000
@@ -411,7 +644,7 @@ ST_GEOHASH(NULL,100)
 NULL
 SELECT ST_GEOHASH(ST_GEOMFROMTEXT('POINT(-0.0001 -0.0001)'),NULL);
 ST_GEOHASH(ST_GEOMFROMTEXT('POINT(-0.0001 -0.0001)'),NULL)
-NULL
+7zzzzzzzmtm7mzm00yd7z00s0y30g60000000000000000000000000000000000000000000000000000000000000000000000
 SELECT ST_GEOHASH(ST_DIFFERENCE(ST_GEOMFROMTEXT('POINT(180 90)'),ST_GEOMFROMTEXT('POINT(0 0)')),20);
 ST_GEOHASH(ST_DIFFERENCE(ST_GEOMFROMTEXT('POINT(180 90)'),ST_GEOMFROMTEXT('POINT(0 0)')),20)
 zzzzzzzzzzzzzzzzzzzz
@@ -613,5 +846,360 @@ SELECT ST_GEOHASH(ST_DIFFERENCE(ST_GEOMFROMTEXT('POINT(180 90)'),ST_GEOMFROMTEXT
 ERROR 22023: Invalid GIS data provided to function ST_GeoHash.
 SELECT ST_GEOHASH(ST_SYMDIFFERENCE(ST_GEOMFROMTEXT('POINT(180 90)'),ST_GEOMFROMTEXT('POINT(0 0)')),20);
 ERROR 22023: Invalid GIS data provided to function ST_GeoHash.
+#=============================================================
+# ST_LONGFROMGEOHASH()
+#=============================================================
+SELECT ST_LONGFROMGEOHASH(ST_GEOHASH(180,90,20));
+ST_LONGFROMGEOHASH(ST_GEOHASH(180,90,20))
+180
+SELECT ST_LONGFROMGEOHASH(ST_GEOHASH(180,-90,20));
+ST_LONGFROMGEOHASH(ST_GEOHASH(180,-90,20))
+180
+SELECT ST_LONGFROMGEOHASH(ST_GEOHASH(-180,90,20));
+ST_LONGFROMGEOHASH(ST_GEOHASH(-180,90,20))
+-180
+SELECT ST_LONGFROMGEOHASH(ST_GEOHASH(-180,-90,20));
+ST_LONGFROMGEOHASH(ST_GEOHASH(-180,-90,20))
+-180
+SELECT ST_LONGFROMGEOHASH(ST_GEOHASH(180,0,20));
+ST_LONGFROMGEOHASH(ST_GEOHASH(180,0,20))
+180
+SELECT ST_LONGFROMGEOHASH(ST_GEOHASH(-180,0,20));
+ST_LONGFROMGEOHASH(ST_GEOHASH(-180,0,20))
+-180
+SELECT ST_LONGFROMGEOHASH(ST_GEOHASH(-0,0,20));
+ST_LONGFROMGEOHASH(ST_GEOHASH(-0,0,20))
+0
+SELECT ST_LONGFROMGEOHASH(ST_GEOHASH(0.10,90,20));
+ST_LONGFROMGEOHASH(ST_GEOHASH(0.10,90,20))
+0.1
+SELECT ST_LONGFROMGEOHASH(ST_GEOHASH(100,45,20));
+ST_LONGFROMGEOHASH(ST_GEOHASH(100,45,20))
+100
+SELECT ST_LONGFROMGEOHASH(ST_GEOHASH(179.999999,90,20));
+ST_LONGFROMGEOHASH(ST_GEOHASH(179.999999,90,20))
+179.999999
+SELECT ST_LONGFROMGEOHASH(ST_GEOHASH(-179.999999,0,20));
+ST_LONGFROMGEOHASH(ST_GEOHASH(-179.999999,0,20))
+-179.999999
+SELECT ST_LONGFROMGEOHASH(ST_GEOHASH(18*10,900/10,20));
+ST_LONGFROMGEOHASH(ST_GEOHASH(18*10,900/10,20))
+180
+SELECT ST_LONGFROMGEOHASH(ST_GEOHASH(ST_GEOMFROMTEXT('POINT(100 10)'),10));
+ST_LONGFROMGEOHASH(ST_GEOHASH(ST_GEOMFROMTEXT('POINT(100 10)'),10))
+100
+SELECT ST_LONGFROMGEOHASH(ST_GEOHASH(ST_GEOMFROMTEXT('POINT(10 10)'),10));
+ST_LONGFROMGEOHASH(ST_GEOHASH(ST_GEOMFROMTEXT('POINT(10 10)'),10))
+10
+SELECT ST_LONGFROMGEOHASH(ST_GEOHASH(ST_GEOMFROMTEXT('POINT(-10 10)'),10));
+ST_LONGFROMGEOHASH(ST_GEOHASH(ST_GEOMFROMTEXT('POINT(-10 10)'),10))
+-10
+SELECT ST_LONGFROMGEOHASH(ST_GEOHASH(ST_GEOMFROMTEXT('POINT(1.000 10)'),10));
+ST_LONGFROMGEOHASH(ST_GEOHASH(ST_GEOMFROMTEXT('POINT(1.000 10)'),10))
+1
+SELECT ST_LONGFROMGEOHASH(ST_GEOHASH(ST_GEOMFROMTEXT('POINT(-1.000 10)'),10));
+ST_LONGFROMGEOHASH(ST_GEOHASH(ST_GEOMFROMTEXT('POINT(-1.000 10)'),10))
+-1
+SELECT ST_LONGFROMGEOHASH(ST_GEOHASH(ST_GEOMFROMTEXT('POINT(1.00101 90)'),20));
+ST_LONGFROMGEOHASH(ST_GEOHASH(ST_GEOMFROMTEXT('POINT(1.00101 90)'),20))
+1.00101
+SELECT ST_LONGFROMGEOHASH(ST_GEOHASH(ST_GEOMFROMTEXT('POINT(-1.00101 90)'),20));
+ST_LONGFROMGEOHASH(ST_GEOHASH(ST_GEOMFROMTEXT('POINT(-1.00101 90)'),20))
+-1.00101
+SELECT ST_LONGFROMGEOHASH(ST_GEOHASH(ST_GEOMFROMTEXT('POINT(20 20)'),10));
+ST_LONGFROMGEOHASH(ST_GEOHASH(ST_GEOMFROMTEXT('POINT(20 20)'),10))
+20
+#=============================================================
+# ST_LATFROMGEOHASH()
+#=============================================================
+SELECT ST_LATFROMGEOHASH(ST_GEOHASH(180,90,20));
+ST_LATFROMGEOHASH(ST_GEOHASH(180,90,20))
+90
+SELECT ST_LATFROMGEOHASH(ST_GEOHASH(180,-90,20));
+ST_LATFROMGEOHASH(ST_GEOHASH(180,-90,20))
+-90
+SELECT ST_LATFROMGEOHASH(ST_GEOHASH(-180,90,20));
+ST_LATFROMGEOHASH(ST_GEOHASH(-180,90,20))
+90
+SELECT ST_LATFROMGEOHASH(ST_GEOHASH(-180,-90,20));
+ST_LATFROMGEOHASH(ST_GEOHASH(-180,-90,20))
+-90
+SELECT ST_LATFROMGEOHASH(ST_GEOHASH(0,90,20));
+ST_LATFROMGEOHASH(ST_GEOHASH(0,90,20))
+90
+SELECT ST_LATFROMGEOHASH(ST_GEOHASH(0,-90,20));
+ST_LATFROMGEOHASH(ST_GEOHASH(0,-90,20))
+-90
+SELECT ST_LATFROMGEOHASH(ST_GEOHASH(0,-0,20));
+ST_LATFROMGEOHASH(ST_GEOHASH(0,-0,20))
+0
+SELECT ST_LATFROMGEOHASH(ST_GEOHASH(180,0.101,20));
+ST_LATFROMGEOHASH(ST_GEOHASH(180,0.101,20))
+0.101
+SELECT ST_LATFROMGEOHASH(ST_GEOHASH(100,45,20));
+ST_LATFROMGEOHASH(ST_GEOHASH(100,45,20))
+45
+SELECT ST_LATFROMGEOHASH(ST_GEOHASH(180,89.99999990,20));
+ST_LATFROMGEOHASH(ST_GEOHASH(180,89.99999990,20))
+89.9999999
+SELECT ST_LATFROMGEOHASH(ST_GEOHASH(0,89.999999,20));
+ST_LATFROMGEOHASH(ST_GEOHASH(0,89.999999,20))
+89.999999
+SELECT ST_LATFROMGEOHASH(ST_GEOHASH(18*10,900/10,20));
+ST_LATFROMGEOHASH(ST_GEOHASH(18*10,900/10,20))
+90
+SELECT ST_LATFROMGEOHASH(ST_GEOHASH(ST_GEOMFROMTEXT('POINT(10 50)'),10));
+ST_LATFROMGEOHASH(ST_GEOHASH(ST_GEOMFROMTEXT('POINT(10 50)'),10))
+50
+SELECT ST_LATFROMGEOHASH(ST_GEOHASH(ST_GEOMFROMTEXT('POINT(10 10)'),10));
+ST_LATFROMGEOHASH(ST_GEOHASH(ST_GEOMFROMTEXT('POINT(10 10)'),10))
+10
+SELECT ST_LATFROMGEOHASH(ST_GEOHASH(ST_GEOMFROMTEXT('POINT(10 -10)'),10));
+ST_LATFROMGEOHASH(ST_GEOHASH(ST_GEOMFROMTEXT('POINT(10 -10)'),10))
+-10
+SELECT ST_LATFROMGEOHASH(ST_GEOHASH(ST_GEOMFROMTEXT('POINT(10 1.000)'),10));
+ST_LATFROMGEOHASH(ST_GEOHASH(ST_GEOMFROMTEXT('POINT(10 1.000)'),10))
+1
+SELECT ST_LATFROMGEOHASH(ST_GEOHASH(ST_GEOMFROMTEXT('POINT(10 -1.0000)'),10));
+ST_LATFROMGEOHASH(ST_GEOHASH(ST_GEOMFROMTEXT('POINT(10 -1.0000)'),10))
+-1
+SELECT ST_LATFROMGEOHASH(ST_GEOHASH(ST_GEOMFROMTEXT('POINT(180 1.00101)'),20));
+ST_LATFROMGEOHASH(ST_GEOHASH(ST_GEOMFROMTEXT('POINT(180 1.00101)'),20))
+1.00101
+SELECT ST_LATFROMGEOHASH(ST_GEOHASH(ST_GEOMFROMTEXT('POINT(-100 -1.00101)'),20));
+ST_LATFROMGEOHASH(ST_GEOHASH(ST_GEOMFROMTEXT('POINT(-100 -1.00101)'),20))
+-1.00101
+SELECT ST_LATFROMGEOHASH(ST_GEOHASH(ST_GEOMFROMTEXT('POINT(20 -20)'),10));
+ST_LATFROMGEOHASH(ST_GEOHASH(ST_GEOMFROMTEXT('POINT(20 -20)'),10))
+-20
+#=============================================================
+# ST_GEOHASH()
+#=============================================================
+SELECT ST_GEOHASH(ST_LONGFROMGEOHASH("zzzzzzzzzzzzzzzzzzzz"),ST_LATFROMGEOHASH("zzzzzzzzzzzzzzzzzzzz"),20);
+ST_GEOHASH(ST_LONGFROMGEOHASH("zzzzzzzzzzzzzzzzzzzz"),ST_LATFROMGEOHASH("zzzzzzzzzzzzzzzzzzzz"),20)
+zzzzzzzzzzzzzzzzzzzz
+SELECT ST_GEOHASH(ST_LONGFROMGEOHASH("00000000000000000000"),ST_LATFROMGEOHASH("00000000000000000000"),20);
+ST_GEOHASH(ST_LONGFROMGEOHASH("00000000000000000000"),ST_LATFROMGEOHASH("00000000000000000000"),20)
+00000000000000000000
+SELECT ST_GEOHASH(ST_LONGFROMGEOHASH("zzzzzzzzzzzzzzzzzzzz"),ST_LATFROMGEOHASH("00000000000000000000"),20);
+ST_GEOHASH(ST_LONGFROMGEOHASH("zzzzzzzzzzzzzzzzzzzz"),ST_LATFROMGEOHASH("00000000000000000000"),20)
+pbpbpbpbpbpbpbpbpbpb
+SELECT ST_GEOHASH(ST_LONGFROMGEOHASH("00000000000000000000"),ST_LATFROMGEOHASH("zzzzzzzzzzzzzzzzzzzz"),20);
+ST_GEOHASH(ST_LONGFROMGEOHASH("00000000000000000000"),ST_LATFROMGEOHASH("zzzzzzzzzzzzzzzzzzzz"),20)
+bpbpbpbpbpbpbpbpbpbp
+SELECT ST_GEOHASH(ST_LONGFROMGEOHASH("pbpbpbpbpbpbpbpbpbpb"),ST_LATFROMGEOHASH("zzzzzzzzzzzzzzzzzzzz"),20);
+ST_GEOHASH(ST_LONGFROMGEOHASH("pbpbpbpbpbpbpbpbpbpb"),ST_LATFROMGEOHASH("zzzzzzzzzzzzzzzzzzzz"),20)
+zzzzzzzzzzzzzzzzzzzz
+SELECT ST_GEOHASH(ST_LONGFROMGEOHASH("zzzzzzzzzzzzzzzzzzzz"),ST_LATFROMGEOHASH("pbpbpbpbpbpbpbpbpbpb"),20);
+ST_GEOHASH(ST_LONGFROMGEOHASH("zzzzzzzzzzzzzzzzzzzz"),ST_LATFROMGEOHASH("pbpbpbpbpbpbpbpbpbpb"),20)
+pbpbpbpbpbpbpbpbpbpb
+SELECT ST_GEOHASH(ST_LONGFROMGEOHASH("zzzzzzzzzzzzzzzzzzzz"),ST_LATFROMGEOHASH("bpbpbpbpbpbpbpbpbpbp"),20);
+ST_GEOHASH(ST_LONGFROMGEOHASH("zzzzzzzzzzzzzzzzzzzz"),ST_LATFROMGEOHASH("bpbpbpbpbpbpbpbpbpbp"),20)
+zzzzzzzzzzzzzzzzzzzz
+SELECT ST_GEOHASH(ST_LONGFROMGEOHASH("bpbpbpbpbpbpbpbpbpbp"),ST_LATFROMGEOHASH("zzzzzzzzzzzzzzzzzzzz"),20);
+ST_GEOHASH(ST_LONGFROMGEOHASH("bpbpbpbpbpbpbpbpbpbp"),ST_LATFROMGEOHASH("zzzzzzzzzzzzzzzzzzzz"),20)
+bpbpbpbpbpbpbpbpbpbp
+SELECT ST_GEOHASH(ST_LONGFROMGEOHASH("bpbpbpbpbpbpbpbpbpbp"),ST_LATFROMGEOHASH("pbpbpbpbpbpbpbpbpbpb"),20);
+ST_GEOHASH(ST_LONGFROMGEOHASH("bpbpbpbpbpbpbpbpbpbp"),ST_LATFROMGEOHASH("pbpbpbpbpbpbpbpbpbpb"),20)
+00000000000000000000
+SELECT
+ST_LONGFROMGEOHASH(
+CAST("0123456789bcdefghjkmnpqrstuvwxyz0123456789BCDEFGHJKMNPQRSTUVWXYZ"
+         AS CHAR CHARACTER SET utf8) COLLATE utf8_persian_ci);
+ST_LONGFROMGEOHASH(
+CAST("0123456789bcdefghjkmnpqrstuvwxyz0123456789BCDEFGHJKMNPQRSTUVWXYZ"
+         AS CHAR CHARACTER SET utf8) COLLATE utf8_persian_ci)
+-179.55743439816956
+SELECT
+ST_LONGFROMGEOHASH(
+CAST("0123456789bcdefghjkmnpqrstuvwxyz0123456789BCDEFGHJKMNPQRSTUVWXYZ"
+         AS CHAR CHARACTER SET utf8) COLLATE utf8_czech_ci);
+ST_LONGFROMGEOHASH(
+CAST("0123456789bcdefghjkmnpqrstuvwxyz0123456789BCDEFGHJKMNPQRSTUVWXYZ"
+         AS CHAR CHARACTER SET utf8) COLLATE utf8_czech_ci)
+-179.55743439816956
+SELECT
+ST_LONGFROMGEOHASH(
+CAST("0123456789bcdefghjkmnpqrstuvwxyz0123456789BCDEFGHJKMNPQRSTUVWXYZ"
+         AS CHAR CHARACTER SET utf8) COLLATE utf8_unicode_ci);
+ST_LONGFROMGEOHASH(
+CAST("0123456789bcdefghjkmnpqrstuvwxyz0123456789BCDEFGHJKMNPQRSTUVWXYZ"
+         AS CHAR CHARACTER SET utf8) COLLATE utf8_unicode_ci)
+-179.55743439816956
+SELECT
+ST_LONGFROMGEOHASH(
+CAST("0123456789bcdefghjkmnpqrstuvwxyz0123456789BCDEFGHJKMNPQRSTUVWXYZ"
+         AS CHAR CHARACTER SET utf8) COLLATE utf8_hungarian_ci);
+ST_LONGFROMGEOHASH(
+CAST("0123456789bcdefghjkmnpqrstuvwxyz0123456789BCDEFGHJKMNPQRSTUVWXYZ"
+         AS CHAR CHARACTER SET utf8) COLLATE utf8_hungarian_ci)
+-179.55743439816956
+SELECT
+ST_LATFROMGEOHASH(
+CAST("0123456789bcdefghjkmnpqrstuvwxyz0123456789BCDEFGHJKMNPQRSTUVWXYZ"
+         AS CHAR CHARACTER SET utf8) COLLATE utf8_persian_ci);
+ST_LATFROMGEOHASH(
+CAST("0123456789bcdefghjkmnpqrstuvwxyz0123456789BCDEFGHJKMNPQRSTUVWXYZ"
+         AS CHAR CHARACTER SET utf8) COLLATE utf8_persian_ci)
+-82.77450549262497
+SELECT
+ST_LATFROMGEOHASH(
+CAST("0123456789bcdefghjkmnpqrstuvwxyz0123456789BCDEFGHJKMNPQRSTUVWXYZ"
+         AS CHAR CHARACTER SET utf8) COLLATE utf8_czech_ci);
+ST_LATFROMGEOHASH(
+CAST("0123456789bcdefghjkmnpqrstuvwxyz0123456789BCDEFGHJKMNPQRSTUVWXYZ"
+         AS CHAR CHARACTER SET utf8) COLLATE utf8_czech_ci)
+-82.77450549262497
+SELECT
+ST_LATFROMGEOHASH(
+CAST("0123456789bcdefghjkmnpqrstuvwxyz0123456789BCDEFGHJKMNPQRSTUVWXYZ"
+         AS CHAR CHARACTER SET utf8) COLLATE utf8_unicode_ci);
+ST_LATFROMGEOHASH(
+CAST("0123456789bcdefghjkmnpqrstuvwxyz0123456789BCDEFGHJKMNPQRSTUVWXYZ"
+         AS CHAR CHARACTER SET utf8) COLLATE utf8_unicode_ci)
+-82.77450549262497
+SELECT
+ST_LATFROMGEOHASH(
+CAST("0123456789bcdefghjkmnpqrstuvwxyz0123456789BCDEFGHJKMNPQRSTUVWXYZ"
+         AS CHAR CHARACTER SET utf8) COLLATE utf8_hungarian_ci);
+ST_LATFROMGEOHASH(
+CAST("0123456789bcdefghjkmnpqrstuvwxyz0123456789BCDEFGHJKMNPQRSTUVWXYZ"
+         AS CHAR CHARACTER SET utf8) COLLATE utf8_hungarian_ci)
+-82.77450549262497
+CREATE TABLE t1 (val DOUBLE);
+INSERT INTO t1 (val) VALUES (12.2);
+SELECT val INTO @double FROM t1;
+DROP TABLE t1;
+SET @null = NULL;
+SET @geohash = "01bbgcee";
+PREPARE stmt FROM "SELECT ST_LONGFROMGEOHASH(?)";
+EXECUTE stmt USING @geohash;
+ST_LONGFROMGEOHASH(?)
+-178.7755
+DEALLOCATE PREPARE stmt;
+SELECT ST_LONGFROMGEOHASH(@geohash);
+ST_LONGFROMGEOHASH(@geohash)
+-178.7755
+SELECT ST_LONGFROMGEOHASH(@null);
+ST_LONGFROMGEOHASH(@null)
+NULL
+PREPARE stmt FROM "SELECT ST_LATFROMGEOHASH(?)";
+EXECUTE stmt USING @geohash;
+ST_LATFROMGEOHASH(?)
+-80.0156
+DEALLOCATE PREPARE stmt;
+SELECT ST_LATFROMGEOHASH(@geohash);
+ST_LATFROMGEOHASH(@geohash)
+-80.0156
+SELECT ST_LATFROMGEOHASH(@null);
+ST_LATFROMGEOHASH(@null)
+NULL
+SET @maxlen = 3;
+PREPARE stmt FROM "SELECT ST_GeoHash(POINT(10, 10), ?)";
+EXECUTE stmt USING @maxlen;
+ST_GeoHash(POINT(10, 10), ?)
+s1z
+DEALLOCATE PREPARE stmt;
+SELECT ST_GeoHash(POINT(10, 10), @maxlen);
+ST_GeoHash(POINT(10, 10), @maxlen)
+s1z
+SELECT ST_GeoHash(POINT(10, 10), @null);
+ST_GeoHash(POINT(10, 10), @null)
+s1z0gs3y0zh7w1z0gs3y0zw
+SET @point = POINT(10, 10);
+PREPARE stmt FROM "SELECT ST_GeoHash(?, 10)";
+EXECUTE stmt USING @point;
+ST_GeoHash(?, 10)
+s1z0gs3y0z
+DEALLOCATE PREPARE stmt;
+SELECT ST_GeoHash(@point, 10);
+ST_GeoHash(@point, 10)
+s1z0gs3y0z
+SELECT ST_GeoHash(@null, 10);
+ST_GeoHash(@null, 10)
+NULL
+SET @long = 22.0311;
+PREPARE stmt FROM "SELECT ST_GeoHash(?, 10, 10)";
+EXECUTE stmt USING @long;
+ST_GeoHash(?, 10, 10)
+s3z8vk6w1z
+DEALLOCATE PREPARE stmt;
+SELECT ST_GeoHash(@long, 10, 10);
+ST_GeoHash(@long, 10, 10)
+s3z8vk6w1z
+SELECT ST_GeoHash(@null, 10, 10);
+ST_GeoHash(@null, 10, 10)
+NULL
+SET @lat = -54.123;
+PREPARE stmt FROM "SELECT ST_GeoHash(10, ?, 10)";
+EXECUTE stmt USING @lat;
+ST_GeoHash(10, ?, 10)
+hnrh5e1y8v
+DEALLOCATE PREPARE stmt;
+SELECT ST_GeoHash(10, @lat, 10);
+ST_GeoHash(10, @lat, 10)
+hnrh5e1y8v
+SELECT ST_GeoHash(10, @null, 10);
+ST_GeoHash(10, @null, 10)
+NULL
+PREPARE stmt FROM "SELECT ST_GeoHash(10, 10, ?)";
+EXECUTE stmt USING @maxlen;
+ST_GeoHash(10, 10, ?)
+s1z
+DEALLOCATE PREPARE stmt;
+SELECT ST_GeoHash(10, 10, @maxlen);
+ST_GeoHash(10, 10, @maxlen)
+s1z
+SELECT ST_GeoHash(@double, @double, 10);
+ST_GeoHash(@double, @double, 10)
+s60tmsgy0s
+SELECT ST_GeoHash(POINT(10, 10), @double);
+ERROR 22023: Invalid GIS data provided to function ST_GeoHash.
+DROP TABLE IF EXISTS t1;
+CREATE TABLE t1 (a VARCHAR(255));
+INSERT INTO t1 (a) VALUES ('  ');
+SELECT ST_LONGFROMGEOHASH(a) FROM t1;
+ERROR HY000: Incorrect geohash value: '  ' for function st_longfromgeohash
+SELECT ST_LATFROMGEOHASH(a) FROM t1;
+ERROR HY000: Incorrect geohash value: '  ' for function st_latfromgeohash
+DELETE FROM t1;
+INSERT INTO t1 VALUES ('swpwwwwww'), ('guqtjvooguqtjvoo');
+SELECT ST_LONGFROMGEOHASH(a) FROM t1;
+ERROR HY000: Incorrect geohash value: 'guqtjvooguqtjvoo' for function st_longfromgeohash
+SELECT ST_LATFROMGEOHASH(a) FROM t1;
+ERROR HY000: Incorrect geohash value: 'guqtjvooguqtjvoo' for function st_latfromgeohash
 # Clean up
 DROP TABLE geohashes;
+DROP TABLE t1;
+#
+# Bug#22838668 CRASH IN ITEM_FUNC_LATLONGFROMGEOHASH::VAL_REAL
+# WITH BAD PARAMETERS
+#
+DO ST_Disjoint(
+POLYGON(
+LINESTRING(POINT(1, 1))
+),
+ST_LatFromGeoHash(ExtractValue(1, NULL))
+);
+ERROR HY000: Illegal parameter data type double for operation 'st_disjoint'
+DO ST_Disjoint(
+POLYGON(
+LINESTRING(POINT(1, 1))
+),
+ST_LongFromGeoHash(ExtractValue(1, NULL))
+);
+ERROR HY000: Illegal parameter data type double for operation 'st_disjoint'
+DO ST_Disjoint(
+POLYGON(
+LINESTRING(POINT(1, 1))
+),
+ST_LatFromGeoHash(UpdateXML(1, NULL, NULL))
+);
+ERROR HY000: Illegal parameter data type double for operation 'st_disjoint'
+DO ST_Disjoint(
+POLYGON(
+LINESTRING(POINT(1, 1))
+),
+ST_LongFromGeoHash(UpdateXML(1, NULL, NULL))
+);
+ERROR HY000: Illegal parameter data type double for operation 'st_disjoint'

mysql-test/main/spatial_utility_function_geohash.test

@@ -17,6 +17,191 @@
 
 -- disable_warnings
 
+#####################################################################
+# ST_LONGFROMGEOHASH()
+#####################################################################
+
+# Check for all valid characters and inputs
+--echo # valid characters
+SELECT ST_LONGFROMGEOHASH("0");
+
+SELECT ST_LONGFROMGEOHASH("z");
+
+SELECT ST_LONGFROMGEOHASH("0z");
+
+SELECT ST_LONGFROMGEOHASH("upbp");
+
+SELECT ST_LONGFROMGEOHASH("h000");
+
+SELECT ST_LONGFROMGEOHASH("s000");
+
+SELECT ST_LONGFROMGEOHASH("0123456789");
+
+SELECT ST_LONGFROMGEOHASH("9876543210");
+
+SELECT ST_LONGFROMGEOHASH("bcdefghjkmnpqrstuvwxyz");
+
+SELECT ST_LONGFROMGEOHASH("zyxwvutsrqpnmkjhgfedcb");
+
+SELECT ST_LONGFROMGEOHASH("zzzzzzzzzzzzzzzzzzzz");
+
+SELECT ST_LONGFROMGEOHASH("pbpbpbpbpbpbpbpbpbpb");
+
+SELECT ST_LONGFROMGEOHASH("bpbpbpbpbpbpbpbpbpbp");
+
+SELECT ST_LONGFROMGEOHASH("00000000000000000000");
+
+SELECT ST_LONGFROMGEOHASH("rzzzzzzzzzzzzzzzzzzz");
+
+SELECT ST_LONGFROMGEOHASH("2pbpbpbpbpbpbpbpbpbp");
+
+SELECT ST_LONGFROMGEOHASH("7zzzzzzzzzzzzzzzzzzz");
+
+SELECT ST_LONGFROMGEOHASH("gzzzzzzzzzzzzzzzzzzz");
+
+SELECT ST_LONGFROMGEOHASH("5bpbpbpbpbpbpbpbpbpb");
+
+SELECT ST_LONGFROMGEOHASH("0000000000zzzzzzzzzz");
+
+SELECT ST_LONGFROMGEOHASH("zzzzzzzzzz0000000000");
+
+SELECT ST_LONGFROMGEOHASH("s000000001z7wsg7zzm6");
+
+SELECT ST_LONGFROMGEOHASH("kpbpbpbpbnpkqe5kpbtm");
+
+SELECT ST_LONGFROMGEOHASH("ebpbpbpbpcbe9kuebp6d");
+
+SELECT ST_LONGFROMGEOHASH("7zzzzzzzzy0s37hs00dt");
+
+SELECT ST_LONGFROMGEOHASH("tzzzzzzzzzzzzzzzzzzz");
+
+SELECT ST_LONGFROMGEOHASH("jzzzzzzzzzzzzzzzzzzz");
+
+SELECT ST_LONGFROMGEOHASH("9zzzzzzzzzzzzzzzzzzz");
+
+SELECT ST_LONGFROMGEOHASH("1zzzzzzzzzzzzzzzzzzz");
+
+SELECT ST_LONGFROMGEOHASH("ypzpgxczbzurypzpgxcz");
+
+SELECT ST_LONGFROMGEOHASH("czbzurypzpgxczbzuryp");
+
+SELECT ST_LONGFROMGEOHASH("0z0z0z0z0z0z0z0z0z0z0z0z0z0z0z0z");
+
+SELECT ST_LONGFROMGEOHASH("0123456789bcdefghjkmnpqrstuvwxyz");
+
+SELECT ST_LONGFROMGEOHASH("0123456789BCDEFGHJKMNPQRSTUVWXYZ");
+
+SELECT ST_LONGFROMGEOHASH("zyxwvutsrqpnmkjhgfedcb9876543210");
+
+SELECT ST_LONGFROMGEOHASH("ZYXWVUTSRQPNMKJHGFEDCB9876543210");
+
+SELECT ST_LONGFROMGEOHASH("1e1");
+
+SELECT ST_LONGFROMGEOHASH("100");
+
+SELECT ST_LONGFROMGEOHASH(CAST(100 AS CHAR));
+
+SELECT ST_LONGFROMGEOHASH("10111000110001111001");
+
+SELECT ST_LONGFROMGEOHASH("11111111111111111111");
+
+SELECT ST_LONGFROMGEOHASH("99999999999999999999");
+
+SELECT ST_LONGFROMGEOHASH(CAST("012" AS BINARY));
+
+SELECT ST_LONGFROMGEOHASH(NULL);
+
+SELECT ST_LONGFROMGEOHASH(null);
+
+# Invalid characters and inputs
+--echo # invalid characters and inputs
+--error ER_WRONG_VALUE_FOR_TYPE
+SELECT ST_LONGFROMGEOHASH("0123a45");
+
+--error ER_WRONG_VALUE_FOR_TYPE
+SELECT ST_LONGFROMGEOHASH("xyzi");
+
+--error ER_WRONG_VALUE_FOR_TYPE
+SELECT ST_LONGFROMGEOHASH("zyxLwv");
+
+--error ER_WRONG_VALUE_FOR_TYPE
+SELECT ST_LONGFROMGEOHASH("bcdjo");
+
+--error ER_WRONG_VALUE_FOR_TYPE
+SELECT ST_LONGFROMGEOHASH("zyx**wv");
+
+--error ER_WRONG_VALUE_FOR_TYPE
+SELECT ST_LONGFROMGEOHASH("1 2 3 4");
+
+--error ER_WRONG_VALUE_FOR_TYPE
+SELECT ST_LONGFROMGEOHASH("1''2345");
+
+--error ER_WRONG_VALUE_FOR_TYPE
+SELECT ST_LONGFROMGEOHASH("12.345");
+
+--error ER_WRONG_VALUE_FOR_TYPE
+SELECT ST_LONGFROMGEOHASH("   ");
+
+--error ER_WRONG_VALUE_FOR_TYPE
+SELECT ST_LONGFROMGEOHASH("NULL");
+
+--error ER_WRONG_VALUE_FOR_TYPE
+SELECT ST_LONGFROMGEOHASH("0a 0d");
+
+--error ER_WRONG_VALUE_FOR_TYPE
+SELECT ST_LONGFROMGEOHASH("-100");
+
+--error ER_WRONG_VALUE_FOR_TYPE
+SELECT ST_LONGFROMGEOHASH("");
+
+--error ER_GIS_INVALID_DATA
+SELECT ST_LONGFROMGEOHASH(9876543210);
+
+--error ER_GIS_INVALID_DATA
+SELECT ST_LONGFROMGEOHASH(0123456789);
+
+--error ER_GIS_INVALID_DATA
+SELECT ST_LONGFROMGEOHASH(1e1);
+
+--error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT
+SELECT ST_LONGFROMGEOHASH();
+
+--error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT
+SELECT ST_LONGFROMGEOHASH("123","456");
+
+--error ER_PARSE_ERROR
+SELECT ST_LONGFROMGEOHASH("123",);
+
+--error ER_PARSE_ERROR
+SELECT ST_LONGFROMGEOHASH(,"456");
+
+--error ER_PARSE_ERROR
+SELECT ST_LONGFROMGEOHASH(,);
+
+--error ER_PARSE_ERROR
+SELECT ST_LONGFROMGEOHASH("0123456"789);
+
+--error ER_BAD_FIELD_ERROR
+SELECT ST_LONGFROMGEOHASH(abcdef);
+
+# Test geohashes that are long
+--echo # very long geohash
+SELECT ST_LONGFROMGEOHASH("0123456789bcdefghjkmnpqrstuvwxyz0123456789bcdefghjkm"
+                          "npqrstuvwxyz0123456789bcdefghjkmnpqrstuvwxyz01234567"
+                          "89bcdefghjkmnpqrstuvwxyz");
+
+SELECT ST_LONGFROMGEOHASH("0123456789BCDEFGHJKMNPQRSTUVWXYZ0123456789BCDEFGHJKM"
+                          "NPQRSTUVWXYZ0123456789BCDEFGHJKMNPQRSTUVWXYZ01234567"
+                          "89BCDEFGHJKMNPQRSTUVWXYZ");
+
+SELECT ST_LONGFROMGEOHASH("zyxwvutsrqpnmkjhgfedcb9876543210zyxwvutsrqpnmkjhgfed"
+                          "cb9876543210zyxwvutsrqpnmkjhgfedcb9876543210zyxwvuts"
+                          "rqpnmkjhgfedcb9876543210");
+
+SELECT ST_LONGFROMGEOHASH("ZYXWVUTSRQPNMKJHGFEDCB9876543210ZYXWVUTSRQPNMKJHGFED"
+                          "CB9876543210ZYXWVUTSRQPNMKJHGFEDCB9876543210ZYXWVUTS"
+                          "RQPNMKJHGFEDCB9876543210");
+
 # Table with different extreme values
 CREATE TABLE geohashes  (gid INT NOT NULL PRIMARY KEY, hash_value VARCHAR(255));
 INSERT INTO geohashes VALUES
@@ -39,6 +224,9 @@ INSERT INTO geohashes VALUES
   (17, "wvetm3u23kr9r6663k31"),
   (18, "e5t2p7sk291vpyb08pwu");
 
+--echo # different random geohash values
+SELECT ST_LONGFROMGEOHASH(hash_value) FROM geohashes;
+
 #####################################################################
 # ST_LATFROMGEOHASH()
 #####################################################################
@@ -613,5 +801,277 @@ SELECT ST_GEOHASH(ST_DIFFERENCE(ST_GEOMFROMTEXT('POINT(180 90)'),ST_GEOMFROMTEXT
 --error ER_GIS_INVALID_DATA
 SELECT ST_GEOHASH(ST_SYMDIFFERENCE(ST_GEOMFROMTEXT('POINT(180 90)'),ST_GEOMFROMTEXT('POINT(0 0)')),20);
 
+#####################################################################
+# Nested geohash functions
+#####################################################################
+
+--echo #=============================================================
+--echo # ST_LONGFROMGEOHASH()
+--echo #=============================================================
+SELECT ST_LONGFROMGEOHASH(ST_GEOHASH(180,90,20));
+
+SELECT ST_LONGFROMGEOHASH(ST_GEOHASH(180,-90,20));
+
+SELECT ST_LONGFROMGEOHASH(ST_GEOHASH(-180,90,20));
+
+SELECT ST_LONGFROMGEOHASH(ST_GEOHASH(-180,-90,20));
+
+SELECT ST_LONGFROMGEOHASH(ST_GEOHASH(180,0,20));
+
+SELECT ST_LONGFROMGEOHASH(ST_GEOHASH(-180,0,20));
+
+SELECT ST_LONGFROMGEOHASH(ST_GEOHASH(-0,0,20));
+
+SELECT ST_LONGFROMGEOHASH(ST_GEOHASH(0.10,90,20));
+
+SELECT ST_LONGFROMGEOHASH(ST_GEOHASH(100,45,20));
+
+SELECT ST_LONGFROMGEOHASH(ST_GEOHASH(179.999999,90,20));
+
+SELECT ST_LONGFROMGEOHASH(ST_GEOHASH(-179.999999,0,20));
+
+SELECT ST_LONGFROMGEOHASH(ST_GEOHASH(18*10,900/10,20));
+
+SELECT ST_LONGFROMGEOHASH(ST_GEOHASH(ST_GEOMFROMTEXT('POINT(100 10)'),10));
+
+SELECT ST_LONGFROMGEOHASH(ST_GEOHASH(ST_GEOMFROMTEXT('POINT(10 10)'),10));
+
+SELECT ST_LONGFROMGEOHASH(ST_GEOHASH(ST_GEOMFROMTEXT('POINT(-10 10)'),10));
+
+SELECT ST_LONGFROMGEOHASH(ST_GEOHASH(ST_GEOMFROMTEXT('POINT(1.000 10)'),10));
+
+SELECT ST_LONGFROMGEOHASH(ST_GEOHASH(ST_GEOMFROMTEXT('POINT(-1.000 10)'),10));
+
+SELECT ST_LONGFROMGEOHASH(ST_GEOHASH(ST_GEOMFROMTEXT('POINT(1.00101 90)'),20));
+
+SELECT ST_LONGFROMGEOHASH(ST_GEOHASH(ST_GEOMFROMTEXT('POINT(-1.00101 90)'),20));
+
+SELECT ST_LONGFROMGEOHASH(ST_GEOHASH(ST_GEOMFROMTEXT('POINT(20 20)'),10));
+
+--echo #=============================================================
+--echo # ST_LATFROMGEOHASH()
+--echo #=============================================================
+SELECT ST_LATFROMGEOHASH(ST_GEOHASH(180,90,20));
+
+SELECT ST_LATFROMGEOHASH(ST_GEOHASH(180,-90,20));
+
+SELECT ST_LATFROMGEOHASH(ST_GEOHASH(-180,90,20));
+
+SELECT ST_LATFROMGEOHASH(ST_GEOHASH(-180,-90,20));
+
+SELECT ST_LATFROMGEOHASH(ST_GEOHASH(0,90,20));
+
+SELECT ST_LATFROMGEOHASH(ST_GEOHASH(0,-90,20));
+
+SELECT ST_LATFROMGEOHASH(ST_GEOHASH(0,-0,20));
+
+SELECT ST_LATFROMGEOHASH(ST_GEOHASH(180,0.101,20));
+
+SELECT ST_LATFROMGEOHASH(ST_GEOHASH(100,45,20));
+
+SELECT ST_LATFROMGEOHASH(ST_GEOHASH(180,89.99999990,20));
+
+SELECT ST_LATFROMGEOHASH(ST_GEOHASH(0,89.999999,20));
+
+SELECT ST_LATFROMGEOHASH(ST_GEOHASH(18*10,900/10,20));
+
+SELECT ST_LATFROMGEOHASH(ST_GEOHASH(ST_GEOMFROMTEXT('POINT(10 50)'),10));
+
+SELECT ST_LATFROMGEOHASH(ST_GEOHASH(ST_GEOMFROMTEXT('POINT(10 10)'),10));
+
+SELECT ST_LATFROMGEOHASH(ST_GEOHASH(ST_GEOMFROMTEXT('POINT(10 -10)'),10));
+
+SELECT ST_LATFROMGEOHASH(ST_GEOHASH(ST_GEOMFROMTEXT('POINT(10 1.000)'),10));
+
+SELECT ST_LATFROMGEOHASH(ST_GEOHASH(ST_GEOMFROMTEXT('POINT(10 -1.0000)'),10));
+
+SELECT ST_LATFROMGEOHASH(ST_GEOHASH(ST_GEOMFROMTEXT('POINT(180 1.00101)'),20));
+
+SELECT ST_LATFROMGEOHASH(ST_GEOHASH(ST_GEOMFROMTEXT('POINT(-100 -1.00101)'),20));
+
+SELECT ST_LATFROMGEOHASH(ST_GEOHASH(ST_GEOMFROMTEXT('POINT(20 -20)'),10));
+
+--echo #=============================================================
+--echo # ST_GEOHASH()
+--echo #=============================================================
+
+SELECT ST_GEOHASH(ST_LONGFROMGEOHASH("zzzzzzzzzzzzzzzzzzzz"),ST_LATFROMGEOHASH("zzzzzzzzzzzzzzzzzzzz"),20);
+
+SELECT ST_GEOHASH(ST_LONGFROMGEOHASH("00000000000000000000"),ST_LATFROMGEOHASH("00000000000000000000"),20);
+
+SELECT ST_GEOHASH(ST_LONGFROMGEOHASH("zzzzzzzzzzzzzzzzzzzz"),ST_LATFROMGEOHASH("00000000000000000000"),20);
+
+SELECT ST_GEOHASH(ST_LONGFROMGEOHASH("00000000000000000000"),ST_LATFROMGEOHASH("zzzzzzzzzzzzzzzzzzzz"),20);
+
+SELECT ST_GEOHASH(ST_LONGFROMGEOHASH("pbpbpbpbpbpbpbpbpbpb"),ST_LATFROMGEOHASH("zzzzzzzzzzzzzzzzzzzz"),20);
+
+SELECT ST_GEOHASH(ST_LONGFROMGEOHASH("zzzzzzzzzzzzzzzzzzzz"),ST_LATFROMGEOHASH("pbpbpbpbpbpbpbpbpbpb"),20);
+
+SELECT ST_GEOHASH(ST_LONGFROMGEOHASH("zzzzzzzzzzzzzzzzzzzz"),ST_LATFROMGEOHASH("bpbpbpbpbpbpbpbpbpbp"),20);
+
+SELECT ST_GEOHASH(ST_LONGFROMGEOHASH("bpbpbpbpbpbpbpbpbpbp"),ST_LATFROMGEOHASH("zzzzzzzzzzzzzzzzzzzz"),20);
+
+SELECT ST_GEOHASH(ST_LONGFROMGEOHASH("bpbpbpbpbpbpbpbpbpbp"),ST_LATFROMGEOHASH("pbpbpbpbpbpbpbpbpbpb"),20);
+
+#####################################################################
+# Bug#19657725
+#####################################################################
+SELECT
+  ST_LONGFROMGEOHASH(
+    CAST("0123456789bcdefghjkmnpqrstuvwxyz0123456789BCDEFGHJKMNPQRSTUVWXYZ"
+         AS CHAR CHARACTER SET utf8) COLLATE utf8_persian_ci);
+
+SELECT
+  ST_LONGFROMGEOHASH(
+    CAST("0123456789bcdefghjkmnpqrstuvwxyz0123456789BCDEFGHJKMNPQRSTUVWXYZ"
+         AS CHAR CHARACTER SET utf8) COLLATE utf8_czech_ci);
+
+SELECT
+  ST_LONGFROMGEOHASH(
+    CAST("0123456789bcdefghjkmnpqrstuvwxyz0123456789BCDEFGHJKMNPQRSTUVWXYZ"
+         AS CHAR CHARACTER SET utf8) COLLATE utf8_unicode_ci);
+
+SELECT
+  ST_LONGFROMGEOHASH(
+    CAST("0123456789bcdefghjkmnpqrstuvwxyz0123456789BCDEFGHJKMNPQRSTUVWXYZ"
+         AS CHAR CHARACTER SET utf8) COLLATE utf8_hungarian_ci);
+
+SELECT
+  ST_LATFROMGEOHASH(
+    CAST("0123456789bcdefghjkmnpqrstuvwxyz0123456789BCDEFGHJKMNPQRSTUVWXYZ"
+         AS CHAR CHARACTER SET utf8) COLLATE utf8_persian_ci);
+
+SELECT
+  ST_LATFROMGEOHASH(
+    CAST("0123456789bcdefghjkmnpqrstuvwxyz0123456789BCDEFGHJKMNPQRSTUVWXYZ"
+         AS CHAR CHARACTER SET utf8) COLLATE utf8_czech_ci);
+
+SELECT
+  ST_LATFROMGEOHASH(
+    CAST("0123456789bcdefghjkmnpqrstuvwxyz0123456789BCDEFGHJKMNPQRSTUVWXYZ"
+         AS CHAR CHARACTER SET utf8) COLLATE utf8_unicode_ci);
+
+SELECT
+  ST_LATFROMGEOHASH(
+    CAST("0123456789bcdefghjkmnpqrstuvwxyz0123456789BCDEFGHJKMNPQRSTUVWXYZ"
+         AS CHAR CHARACTER SET utf8) COLLATE utf8_hungarian_ci);
+#####################################################################
+# Bug#19383904
+#####################################################################
+# This table is for testing functions with DOUBLE values. Literals like 10.2 are
+# recognized as DECIMAL.
+CREATE TABLE t1 (val DOUBLE);
+INSERT INTO t1 (val) VALUES (12.2);
+SELECT val INTO @double FROM t1;
+DROP TABLE t1;
+
+SET @null = NULL;
+SET @geohash = "01bbgcee";
+PREPARE stmt FROM "SELECT ST_LONGFROMGEOHASH(?)";
+EXECUTE stmt USING @geohash;
+DEALLOCATE PREPARE stmt;
+SELECT ST_LONGFROMGEOHASH(@geohash);
+SELECT ST_LONGFROMGEOHASH(@null);
+
+PREPARE stmt FROM "SELECT ST_LATFROMGEOHASH(?)";
+EXECUTE stmt USING @geohash;
+DEALLOCATE PREPARE stmt;
+SELECT ST_LATFROMGEOHASH(@geohash);
+SELECT ST_LATFROMGEOHASH(@null);
+
+SET @maxlen = 3;
+PREPARE stmt FROM "SELECT ST_GeoHash(POINT(10, 10), ?)";
+EXECUTE stmt USING @maxlen;
+DEALLOCATE PREPARE stmt;
+SELECT ST_GeoHash(POINT(10, 10), @maxlen);
+SELECT ST_GeoHash(POINT(10, 10), @null);
+
+SET @point = POINT(10, 10);
+PREPARE stmt FROM "SELECT ST_GeoHash(?, 10)";
+EXECUTE stmt USING @point;
+DEALLOCATE PREPARE stmt;
+SELECT ST_GeoHash(@point, 10);
+SELECT ST_GeoHash(@null, 10);
+
+SET @long = 22.0311;
+PREPARE stmt FROM "SELECT ST_GeoHash(?, 10, 10)";
+EXECUTE stmt USING @long;
+DEALLOCATE PREPARE stmt;
+SELECT ST_GeoHash(@long, 10, 10);
+SELECT ST_GeoHash(@null, 10, 10);
+
+SET @lat = -54.123;
+PREPARE stmt FROM "SELECT ST_GeoHash(10, ?, 10)";
+EXECUTE stmt USING @lat;
+DEALLOCATE PREPARE stmt;
+SELECT ST_GeoHash(10, @lat, 10);
+SELECT ST_GeoHash(10, @null, 10);
+
+PREPARE stmt FROM "SELECT ST_GeoHash(10, 10, ?)";
+EXECUTE stmt USING @maxlen;
+DEALLOCATE PREPARE stmt;
+SELECT ST_GeoHash(10, 10, @maxlen);
+SELECT ST_GeoHash(@double, @double, 10);
+
+--error ER_GIS_INVALID_DATA
+SELECT ST_GeoHash(POINT(10, 10), @double);
+
+#####################################################################
+# Bug#20293609
+#####################################################################
+
+DROP TABLE IF EXISTS t1;
+CREATE TABLE t1 (a VARCHAR(255));
+INSERT INTO t1 (a) VALUES ('  ');
+--error ER_WRONG_VALUE_FOR_TYPE
+SELECT ST_LONGFROMGEOHASH(a) FROM t1;
+--error ER_WRONG_VALUE_FOR_TYPE
+SELECT ST_LATFROMGEOHASH(a) FROM t1;
+
+DELETE FROM t1;
+INSERT INTO t1 VALUES ('swpwwwwww'), ('guqtjvooguqtjvoo');
+--error ER_WRONG_VALUE_FOR_TYPE
+SELECT ST_LONGFROMGEOHASH(a) FROM t1;
+--error ER_WRONG_VALUE_FOR_TYPE
+SELECT ST_LATFROMGEOHASH(a) FROM t1;
+
 --echo # Clean up
 DROP TABLE geohashes;
+
+DROP TABLE t1;
+
+--echo #
+--echo # Bug#22838668 CRASH IN ITEM_FUNC_LATLONGFROMGEOHASH::VAL_REAL
+--echo # WITH BAD PARAMETERS
+--echo #
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+DO ST_Disjoint(
+  POLYGON(
+    LINESTRING(POINT(1, 1))
+  ),
+  ST_LatFromGeoHash(ExtractValue(1, NULL))
+);
+
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+DO ST_Disjoint(
+  POLYGON(
+    LINESTRING(POINT(1, 1))
+  ),
+  ST_LongFromGeoHash(ExtractValue(1, NULL))
+);
+
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+DO ST_Disjoint(
+  POLYGON(
+    LINESTRING(POINT(1, 1))
+  ),
+  ST_LatFromGeoHash(UpdateXML(1, NULL, NULL))
+);
+
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+DO ST_Disjoint(
+  POLYGON(
+    LINESTRING(POINT(1, 1))
+  ),
+  ST_LongFromGeoHash(UpdateXML(1, NULL, NULL))
+);

sql/item_geofunc.cc

@@ -2672,7 +2672,7 @@ String *Item_func_geohash::val_str(String *str)
 {
   DBUG_ASSERT(fixed());
   double latitude, longitude;
-  uint geohash_length;
+  int geohash_length;
   Item* length_field;
   null_value= 1;
 
@@ -2683,7 +2683,7 @@ String *Item_func_geohash::val_str(String *str)
     String tmp;
     String *wkb= args[0]->val_str(&tmp);
 
-    if (args[0]->null_value || args[1]->null_value)
+    if (args[0]->null_value)
       return 0;
 
     length_field= args[1];
@@ -2698,7 +2698,7 @@ String *Item_func_geohash::val_str(String *str)
   }
   else
   {
-    if (args[0]->null_value || args[1]->null_value || args[2]->null_value)
+    if (args[0]->null_value || args[1]->null_value)
       return 0;
 
     if (is_invalid_longitude_field(args[0]->field_type()) ||
@@ -2710,6 +2710,10 @@ String *Item_func_geohash::val_str(String *str)
 
     longitude= args[0]->val_real();
     latitude= args[1]->val_real();
+
+    if (args[0]->null_value || args[1]->null_value)
+      return 0;
+
     length_field= args[2];
   }
 
@@ -2734,6 +2738,9 @@ String *Item_func_geohash::val_str(String *str)
   }
 
   geohash_length= static_cast<uint>(length_field->val_int());
+  if (length_field->null_value)
+    geohash_length= MAX_GEOHASH_LENGTH;
+
   if (geohash_length <= MIN_GEOHASH_LENGTH ||
       geohash_length > MAX_GEOHASH_LENGTH)
   {
@@ -2760,7 +2767,9 @@ bool Item_func_geohash::is_invalid_length_field(enum_field_types field_type)
   {
     case MYSQL_TYPE_LONG:
     case MYSQL_TYPE_NULL:
+    case MYSQL_TYPE_LONGLONG:
     case MYSQL_TYPE_VARCHAR:
+    case MYSQL_TYPE_LONG_BLOB:
       return false;
     default:
       return true;
@@ -2775,6 +2784,9 @@ bool Item_func_geohash::is_invalid_longitude_field(enum_field_types field_type)
     case MYSQL_TYPE_LONG:
     case MYSQL_TYPE_VARCHAR:
     case MYSQL_TYPE_NEWDECIMAL:
+    case MYSQL_TYPE_GEOMETRY:
+    case MYSQL_TYPE_DOUBLE:
+    case MYSQL_TYPE_LONG_BLOB:
       return false;
     default:
       return true;
@@ -3008,6 +3020,8 @@ bool Item_func_latlongfromgeohash::is_invalid_geohash_field(
   {
     case MYSQL_TYPE_NULL:
     case MYSQL_TYPE_VARCHAR:
+    case MYSQL_TYPE_LONG_BLOB:
+    case MYSQL_TYPE_GEOMETRY:
       return false;
     default:
       return true;
@@ -3515,6 +3529,23 @@ class Create_func_latfromgeohash : public Create_func_arg1
   virtual ~Create_func_latfromgeohash() = default;
 };
 
+
+class Create_func_longfromgeohash : public Create_func_arg1
+{
+public:
+  Item *create_1_arg(THD *thd, Item *arg1) override
+  {
+    return new (thd->mem_root) Item_func_longfromgeohash(thd, arg1);
+  }
+
+  static Create_func_longfromgeohash s_singleton;
+
+protected:
+  Create_func_longfromgeohash() = default;
+  virtual ~Create_func_longfromgeohash() = default;
+};
+
+
 class Create_func_endpoint : public Create_func_arg1
 {
 public:
@@ -4369,6 +4400,7 @@ Create_func_distance Create_func_distance::s_singleton;
 Create_func_distance_sphere Create_func_distance_sphere::s_singleton;
 Create_func_geohash Create_func_geohash::s_singleton;
 Create_func_latfromgeohash Create_func_latfromgeohash ::s_singleton;
+Create_func_longfromgeohash Create_func_longfromgeohash ::s_singleton;
 Create_func_endpoint Create_func_endpoint::s_singleton;
 Create_func_envelope Create_func_envelope::s_singleton;
 Create_func_equals Create_func_equals::s_singleton;
@@ -4494,6 +4526,7 @@ static Native_func_registry func_array_geom[] =
   { { STRING_WITH_LEN("POLYGONFROMWKB") }, GEOM_BUILDER(Create_func_geometry_from_wkb)},
   { { STRING_WITH_LEN("GEOHASH") }, GEOM_BUILDER(Create_func_geohash)},
   { { STRING_WITH_LEN("LATFROMGEOHASH") }, GEOM_BUILDER(Create_func_latfromgeohash)},
+  { { STRING_WITH_LEN("LONGFROMGEOHASH") }, GEOM_BUILDER(Create_func_longfromgeohash)},
   { { STRING_WITH_LEN("SRID") }, GEOM_BUILDER(Create_func_srid)},
   { { STRING_WITH_LEN("ST_AREA") }, GEOM_BUILDER(Create_func_area)},
   { { STRING_WITH_LEN("STARTPOINT") }, GEOM_BUILDER(Create_func_startpoint)},
@@ -4577,6 +4610,7 @@ static Native_func_registry func_array_geom[] =
   { { STRING_WITH_LEN("ST_DISTANCE_SPHERE") }, GEOM_BUILDER(Create_func_distance_sphere)},
   { { STRING_WITH_LEN("ST_GEOHASH") }, GEOM_BUILDER(Create_func_geohash)},
   { { STRING_WITH_LEN("ST_LATFROMGEOHASH") }, GEOM_BUILDER(Create_func_latfromgeohash)},
+  { { STRING_WITH_LEN("ST_LONGFROMGEOHASH") }, GEOM_BUILDER(Create_func_longfromgeohash)},
   { { STRING_WITH_LEN("TOUCHES") }, GEOM_BUILDER(Create_func_touches)},
   { { STRING_WITH_LEN("WITHIN") }, GEOM_BUILDER(Create_func_within)},
   { { STRING_WITH_LEN("X") }, GEOM_BUILDER(Create_func_x)},

sql/item_geofunc.h

@@ -1285,6 +1285,21 @@ class Item_func_latfromgeohash: public Item_func_latlongfromgeohash
 };
 
 
+class Item_func_longfromgeohash: public Item_func_latlongfromgeohash
+{
+public:
+  Item_func_longfromgeohash(THD *thd, Item *a)
+   :Item_func_latlongfromgeohash(thd, a, true) {}
+  LEX_CSTRING func_name_cstring() const override
+  {
+    static LEX_CSTRING name= {STRING_WITH_LEN("st_longfromgeohash") };
+    return name;
+  }
+  Item *do_get_copy(THD *thd) const override
+  { return get_item_copy<Item_func_longfromgeohash>(thd, this); }
+};
+
+
 class Item_func_pointonsurface: public Item_geometry_func_args_geometry
 {
   String tmp_value;