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Bug#22687 (Functions UNIQUE_USERS, GROUP_UNIQUE_USERS)

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According to some internal communication, these two functions are place
holders for future enhancements. Because they use a variable number of
parameters, the implementation defined a reserved keyword for them in the
parser grammar.

Unfortunately, doing so creates a bug similar to Bug 21114 reported for the
function FORMAT.

In the 5.1 code base, due to improvements in the code implemented with bug
21114, having a reserved keyword for functions with a variable number of
arguments is not needed any more by the implementation.

As a result, this fix removes the place-holder implementation, and removes
the unnecessary reserved keywords. Should the functions UNIQUE_USERS and
GROUP_UNIQUE_USERS be finally implemented in a later release, the
implementation should sub class Create_native_func in sql/item_create.cc.
For example, see the class Create_func_concat.


BitKeeper/deleted/.del-item_uniq.cc:
  Rename: sql/item_uniq.cc -> BitKeeper/deleted/.del-item_uniq.cc
BitKeeper/deleted/.del-item_uniq.h:
  Rename: sql/item_uniq.h -> BitKeeper/deleted/.del-item_uniq.h
libmysqld/Makefile.am:
  Remove native functions UNIQUE_USERS() and GROUP_UNIQUE_USERS().
mysql-test/r/parser.result:
  Remove native functions UNIQUE_USERS() and GROUP_UNIQUE_USERS().
mysql-test/t/parser.test:
  Remove native functions UNIQUE_USERS() and GROUP_UNIQUE_USERS().
sql/Makefile.am:
  Remove native functions UNIQUE_USERS() and GROUP_UNIQUE_USERS().
sql/item.h:
  Remove native functions UNIQUE_USERS() and GROUP_UNIQUE_USERS().
sql/item_sum.h:
  Remove native functions UNIQUE_USERS() and GROUP_UNIQUE_USERS().
sql/lex.h:
  Remove native functions UNIQUE_USERS() and GROUP_UNIQUE_USERS().
sql/mysql_priv.h:
  Remove native functions UNIQUE_USERS() and GROUP_UNIQUE_USERS().
sql/sql_yacc.yy:
  Remove native functions UNIQUE_USERS() and GROUP_UNIQUE_USERS().
This commit is contained in:
unknown
2007-01-11 14:58:05 -07:00
parent 552d4cede5
commit cdb60578f4
11 changed files with 21 additions and 122 deletions
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12
mysql-test/r/parser.result
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@ -49,7 +49,7 @@ ERROR 42000: You have an error in your SQL syntax; check the manual that corresp
create table GROUP_CONCAT (a int);
drop table GROUP_CONCAT;
create table GROUP_UNIQUE_USERS(a int);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'GROUP_UNIQUE_USERS(a int)' at line 1
drop table GROUP_UNIQUE_USERS;
create table GROUP_UNIQUE_USERS (a int);
drop table GROUP_UNIQUE_USERS;
create table MAX(a int);
@ -121,7 +121,7 @@ ERROR 42000: You have an error in your SQL syntax; check the manual that corresp
create table TRIM (a int);
drop table TRIM;
create table UNIQUE_USERS(a int);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'UNIQUE_USERS(a int)' at line 1
drop table UNIQUE_USERS;
create table UNIQUE_USERS (a int);
drop table UNIQUE_USERS;
create table VARIANCE(a int);
@ -186,9 +186,9 @@ ERROR 42000: You have an error in your SQL syntax; check the manual that corresp
create table GROUP_CONCAT (a int);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'GROUP_CONCAT (a int)' at line 1
create table GROUP_UNIQUE_USERS(a int);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'GROUP_UNIQUE_USERS(a int)' at line 1
drop table GROUP_UNIQUE_USERS;
create table GROUP_UNIQUE_USERS (a int);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'GROUP_UNIQUE_USERS (a int)' at line 1
drop table GROUP_UNIQUE_USERS;
create table MAX(a int);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'MAX(a int)' at line 1
create table MAX (a int);
@ -258,9 +258,9 @@ ERROR 42000: You have an error in your SQL syntax; check the manual that corresp
create table TRIM (a int);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'TRIM (a int)' at line 1
create table UNIQUE_USERS(a int);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'UNIQUE_USERS(a int)' at line 1
drop table UNIQUE_USERS;
create table UNIQUE_USERS (a int);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'UNIQUE_USERS (a int)' at line 1
drop table UNIQUE_USERS;
create table VARIANCE(a int);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'VARIANCE(a int)' at line 1
create table VARIANCE (a int);