mirror of
https://github.com/MariaDB/server.git
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178 lines
8.0 KiB
Plaintext
178 lines
8.0 KiB
Plaintext
SET sql_mode=ORACLE;
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SELECT DECODE(10);
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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
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SELECT DECODE(10,10);
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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
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SELECT DECODE(10,10,'x10');
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DECODE(10,10,'x10')
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x10
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SELECT DECODE(11,10,'x10');
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DECODE(11,10,'x10')
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NULL
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SELECT DECODE(10,10,'x10','def');
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DECODE(10,10,'x10','def')
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x10
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SELECT DECODE(11,10,'x10','def');
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DECODE(11,10,'x10','def')
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def
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SELECT DECODE(10,10,'x10',11,'x11','def');
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DECODE(10,10,'x10',11,'x11','def')
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x10
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SELECT DECODE(11,10,'x10',11,'x11','def');
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DECODE(11,10,'x10',11,'x11','def')
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x11
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SELECT DECODE(12,10,'x10',11,'x11','def');
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DECODE(12,10,'x10',11,'x11','def')
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def
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EXPLAIN EXTENDED SELECT DECODE(12,10,'x10',11,'x11','def');
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id select_type table type possible_keys key key_len ref rows filtered Extra
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1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
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Warnings:
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Note 1003 select decode_oracle(12,10,'x10',11,'x11','def') AS "DECODE(12,10,'x10',11,'x11','def')"
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CREATE TABLE decode (decode int);
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DROP TABLE decode;
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#
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# MDEV-13863 sql_mode=ORACLE: DECODE does not treat two NULLs as equivalent
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#
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SELECT DECODE(10);
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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
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SELECT DECODE(10,10);
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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
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SELECT DECODE_ORACLE(10);
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ERROR 42000: Incorrect parameter count in the call to native function 'DECODE_ORACLE'
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SELECT DECODE_ORACLE(10,10);
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ERROR 42000: Incorrect parameter count in the call to native function 'DECODE_ORACLE'
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EXPLAIN EXTENDED SELECT DECODE(12,10,'x10',11,'x11');
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id select_type table type possible_keys key key_len ref rows filtered Extra
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1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
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Warnings:
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Note 1003 select decode_oracle(12,10,'x10',11,'x11') AS "DECODE(12,10,'x10',11,'x11')"
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EXPLAIN EXTENDED SELECT DECODE(12,10,'x10',11,'x11','def');
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id select_type table type possible_keys key key_len ref rows filtered Extra
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1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
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Warnings:
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Note 1003 select decode_oracle(12,10,'x10',11,'x11','def') AS "DECODE(12,10,'x10',11,'x11','def')"
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EXPLAIN EXTENDED SELECT DECODE_ORACLE(12,10,'x10',11,'x11');
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id select_type table type possible_keys key key_len ref rows filtered Extra
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1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
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Warnings:
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Note 1003 select decode_oracle(12,10,'x10',11,'x11') AS "DECODE_ORACLE(12,10,'x10',11,'x11')"
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EXPLAIN EXTENDED SELECT DECODE_ORACLE(12,10,'x10',11,'x11','def');
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id select_type table type possible_keys key key_len ref rows filtered Extra
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1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
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Warnings:
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Note 1003 select decode_oracle(12,10,'x10',11,'x11','def') AS "DECODE_ORACLE(12,10,'x10',11,'x11','def')"
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CREATE TABLE t1 (a INT);
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CREATE VIEW v1 AS
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SELECT
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DECODE(a,1,'x1',NULL,'xNULL') AS d1,
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DECODE(a,1,'x1',NULL,'xNULL','xELSE') AS d2,
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DECODE_ORACLE(a,1,'x1',NULL,'xNULL') AS d3,
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DECODE_ORACLE(a,1,'x1',NULL,'xNULL','xELSE') AS d4
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FROM t1;
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SHOW CREATE VIEW v1;
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View Create View character_set_client collation_connection
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v1 CREATE VIEW "v1" AS select decode_oracle("t1"."a",1,'x1',NULL,'xNULL') AS "d1",decode_oracle("t1"."a",1,'x1',NULL,'xNULL','xELSE') AS "d2",decode_oracle("t1"."a",1,'x1',NULL,'xNULL') AS "d3",decode_oracle("t1"."a",1,'x1',NULL,'xNULL','xELSE') AS "d4" from "t1" latin1 latin1_swedish_ci
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DROP VIEW v1;
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DROP TABLE t1;
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SELECT DECODE(TIME'10:20:31','10:20:31','then1','10:20:32','then2','def');
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DECODE(TIME'10:20:31','10:20:31','then1','10:20:32','then2','def')
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then1
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SELECT DECODE(TIME'10:20:32','10:20:31','then1','10:20:32','then2','def');
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DECODE(TIME'10:20:32','10:20:31','then1','10:20:32','then2','def')
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then2
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SELECT DECODE(TIME'10:20:33','10:20:31','then1',NULL,'then2NULL','10:20:33','then3','def');
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DECODE(TIME'10:20:33','10:20:31','then1',NULL,'then2NULL','10:20:33','then3','def')
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then3
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SELECT DECODE(NULL,TIME'10:20:31','then1',NULL,'then2NULL','10:20:33','then3','def');
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DECODE(NULL,TIME'10:20:31','then1',NULL,'then2NULL','10:20:33','then3','def')
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then2NULL
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SELECT DECODE(TIMESTAMP'2001-01-01 10:20:31','2001-01-01 10:20:31','then1','2001-01-01 10:20:32','then2','def');
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DECODE(TIMESTAMP'2001-01-01 10:20:31','2001-01-01 10:20:31','then1','2001-01-01 10:20:32','then2','def')
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then1
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SELECT DECODE(TIMESTAMP'2001-01-01 10:20:32','2001-01-01 10:20:31','then1','2001-01-01 10:20:32','then2','def');
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DECODE(TIMESTAMP'2001-01-01 10:20:32','2001-01-01 10:20:31','then1','2001-01-01 10:20:32','then2','def')
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then2
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SELECT DECODE(TIMESTAMP'2001-01-01 10:20:33','2001-01-01 10:20:31','then1',NULL,'then2NULL','2001-01-01 10:20:33','then3','def');
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DECODE(TIMESTAMP'2001-01-01 10:20:33','2001-01-01 10:20:31','then1',NULL,'then2NULL','2001-01-01 10:20:33','then3','def')
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then3
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SELECT DECODE(NULL,TIMESTAMP'2001-01-01 10:20:31','then1',NULL,'then2NULL','2001-01-01 10:20:33','then3','def');
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DECODE(NULL,TIMESTAMP'2001-01-01 10:20:31','then1',NULL,'then2NULL','2001-01-01 10:20:33','then3','def')
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then2NULL
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SELECT DECODE('w1','w1','then1','w2','then2','def');
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DECODE('w1','w1','then1','w2','then2','def')
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then1
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SELECT DECODE('w2','w1','then1','w2','then2','def');
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DECODE('w2','w1','then1','w2','then2','def')
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then2
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SELECT DECODE('w3','w1','then1',NULL,'then2NULL','w3','then3','def');
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DECODE('w3','w1','then1',NULL,'then2NULL','w3','then3','def')
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then3
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SELECT DECODE(NULL,'w1','then1',NULL,'then2NULL','w3','then3','def');
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DECODE(NULL,'w1','then1',NULL,'then2NULL','w3','then3','def')
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then2NULL
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SELECT DECODE(1,1,'then1',2,'then2','def');
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DECODE(1,1,'then1',2,'then2','def')
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then1
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SELECT DECODE(2,1,'then1',2,'then2','def');
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DECODE(2,1,'then1',2,'then2','def')
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then2
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SELECT DECODE(3,1,'then1',NULL,'then2NULL',3,'then3','def');
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DECODE(3,1,'then1',NULL,'then2NULL',3,'then3','def')
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then3
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SELECT DECODE(NULL,1,'then1',NULL,'then2NULL',3,'then3','def');
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DECODE(NULL,1,'then1',NULL,'then2NULL',3,'then3','def')
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then2NULL
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SELECT DECODE(CAST(NULL AS SIGNED),1,'then1',NULL,'then2NULL',3,'then3','def');
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DECODE(CAST(NULL AS SIGNED),1,'then1',NULL,'then2NULL',3,'then3','def')
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then2NULL
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SELECT DECODE(1.0,1.0,'then1',2.0,'then2','def');
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DECODE(1.0,1.0,'then1',2.0,'then2','def')
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then1
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SELECT DECODE(2.0,1.0,'then1',2.0,'then2','def');
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DECODE(2.0,1.0,'then1',2.0,'then2','def')
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then2
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SELECT DECODE(3.0,1.0,'then1',NULL,'then2NULL',3.0,'then3','def');
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DECODE(3.0,1.0,'then1',NULL,'then2NULL',3.0,'then3','def')
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then3
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SELECT DECODE(NULL,1.0,'then1',NULL,'then2NULL',3.0,'then3','def');
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DECODE(NULL,1.0,'then1',NULL,'then2NULL',3.0,'then3','def')
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then2NULL
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SELECT DECODE(CAST(NULL AS DECIMAL),1.0,'then1',NULL,'then2NULL',3.0,'then3','def');
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DECODE(CAST(NULL AS DECIMAL),1.0,'then1',NULL,'then2NULL',3.0,'then3','def')
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then2NULL
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SELECT DECODE(1e0,1e0,'then1',2e0,'then2','def');
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DECODE(1e0,1e0,'then1',2e0,'then2','def')
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then1
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SELECT DECODE(2e0,1e0,'then1',2e0,'then2','def');
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DECODE(2e0,1e0,'then1',2e0,'then2','def')
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then2
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SELECT DECODE(3e0,1e0,'then1',NULL,'then2NULL',3e0,'then3','def');
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DECODE(3e0,1e0,'then1',NULL,'then2NULL',3e0,'then3','def')
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then3
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SELECT DECODE(NULL,1e0,'then1',NULL,'then2NULL',3e0,'then3','def');
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DECODE(NULL,1e0,'then1',NULL,'then2NULL',3e0,'then3','def')
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then2NULL
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SELECT DECODE(CAST(NULL AS DOUBLE),1e0,'then1',NULL,'then2NULL',3e0,'then3','def');
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DECODE(CAST(NULL AS DOUBLE),1e0,'then1',NULL,'then2NULL',3e0,'then3','def')
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then2NULL
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SELECT DECODE(NULL,NULL,1,2) FROM DUAL;
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DECODE(NULL,NULL,1,2)
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1
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SELECT DECODE(NULL,10,10,NULL,1,2) FROM DUAL;
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DECODE(NULL,10,10,NULL,1,2)
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1
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SELECT DECODE_ORACLE(NULL,NULL,1,2) FROM DUAL;
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DECODE_ORACLE(NULL,NULL,1,2)
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1
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SELECT DECODE_ORACLE(NULL,10,10,NULL,1,2) FROM DUAL;
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DECODE_ORACLE(NULL,10,10,NULL,1,2)
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1
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CREATE OR REPLACE TABLE t1 (a VARCHAR(10) DEFAULT NULL);
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INSERT INTO t1 VALUES (NULL),(1);
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SELECT a, DECODE(a,NULL,1,2) FROM t1;
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a DECODE(a,NULL,1,2)
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NULL 1
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1 2
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DROP TABLE t1;
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