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Fix for Bug# 4200 "Parse error on LIKE ESCAPE with parameter binding"

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Now ESCAPE in LIKE will accept not only string literal but constant 
delimited expression.


mysql-test/r/func_like.result:
  Added test for bug# 4200 "Parse error on LIKE ESCAPE with parameter binding"
mysql-test/t/func_like.test:
  Added test for bug# 4200 "Parse error on LIKE ESCAPE with parameter binding"
sql/item_cmpfunc.cc:
  Added support for accepting of constant delimited expression as ESCAPE argument to
  Item_func_like.
sql/item_cmpfunc.h:
  Now ESCAPE clause in LIKE will accept not only string literal but constant delimited 
  expression. Thus added member to Item_func_like for storing Item corresponding to this
  expression and changed third argument of cons to be Item* instead of char*.
sql/sql_help.cc:
  Item_func_like now accepts Item* as third argument.
sql/sql_yacc.yy:
  Now ESCAPE clause of LIKE accepts not only string literal but constant delimited expression
  (the most important case is prepared statement parameter of course).
This commit is contained in:
unknown
2004-06-22 19:27:16 +04:00
parent 227f223d6b
commit 4c670550d2
6 changed files with 80 additions and 46 deletions
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2
sql/sql_help.cc
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@ -626,7 +626,7 @@ SQL_SELECT *prepare_select_for_name(THD *thd, const char *mask, uint mlen,
{
Item *cond= new Item_func_like(new Item_field(pfname),
new Item_string(mask,mlen,pfname->charset()),
(char*) "\\");
new Item_string("\\",1,&my_charset_latin1));
if (thd->is_fatal_error)
return 0; // OOM
return prepare_simple_select(thd,cond,tables,table,error);