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MDEV-31184 Remove parser tokens DECODE_MARIADB_SYM and DECODE_ORACLE_SYM

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Changing the code handling sql_mode-dependent function DECODE():

- removing parser tokens DECODE_MARIADB_SYM and DECODE_ORACLE_SYM
- removing the DECODE() related code from sql_yacc.yy/sql_yacc_ora.yy
- adding handling of DECODE() with help of a new Create_func_func_decode
This commit is contained in:
Alexander Barkov
2023-04-28 16:13:38 +04:00
parent c5f776e9fa
commit 09e237088c
9 changed files with 72 additions and 96 deletions
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8
mysql-test/suite/compat/oracle/r/func_decode.result
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@ -1,8 +1,8 @@
SET sql_mode=ORACLE;
SELECT DECODE(10);
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
ERROR 42000: Incorrect parameter count in the call to native function 'DECODE'
SELECT DECODE(10,10);
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
ERROR 42000: Incorrect parameter count in the call to native function 'DECODE'
SELECT DECODE(10,10,'x10');
DECODE(10,10,'x10')
x10
@ -35,9 +35,9 @@ DROP TABLE decode;
# MDEV-13863 sql_mode=ORACLE: DECODE does not treat two NULLs as equivalent
#
SELECT DECODE(10);
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
ERROR 42000: Incorrect parameter count in the call to native function 'DECODE'
SELECT DECODE(10,10);
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
ERROR 42000: Incorrect parameter count in the call to native function 'DECODE'
SELECT DECODE_ORACLE(10);
ERROR 42000: Incorrect parameter count in the call to native function 'DECODE_ORACLE'
SELECT DECODE_ORACLE(10,10);