diff options
Diffstat (limited to 'sql/item_cmpfunc.cc')
| -rw-r--r-- | sql/item_cmpfunc.cc | 32 |
1 files changed, 18 insertions, 14 deletions
diff --git a/sql/item_cmpfunc.cc b/sql/item_cmpfunc.cc index be281d4b62c..7ac31a44004 100644 --- a/sql/item_cmpfunc.cc +++ b/sql/item_cmpfunc.cc @@ -1,4 +1,4 @@ -/* Copyright (c) 2000, 2010 Oracle and/or its affiliates. All rights reserved. +/* Copyright (c) 2000, 2011, Oracle and/or its affiliates. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -401,7 +401,7 @@ static bool convert_constant_item(THD *thd, Item_field *field_item, Field *field= field_item->field; int result= 0; - if (!(*item)->with_subselect && (*item)->const_item()) + if ((*item)->const_item()) { TABLE *table= field->table; ulong orig_sql_mode= thd->variables.sql_mode; @@ -497,7 +497,7 @@ void Item_bool_func2::fix_length_and_dec() } thd= current_thd; - if (!thd->is_context_analysis_only()) + if (!thd->lex->is_ps_or_view_context_analysis()) { if (args[0]->real_item()->type() == FIELD_ITEM) { @@ -801,7 +801,7 @@ Arg_comparator::can_compare_as_dates(Item *a, Item *b, ulonglong *const_value) confuse storage engines since in context analysis mode tables aren't locked. */ - if (!thd->is_context_analysis_only() && + if (!thd->lex->is_ps_or_view_context_analysis() && cmp_type != CMP_DATE_WITH_DATE && str_arg->const_item() && (str_arg->type() != Item::FUNC_ITEM || ((Item_func*)str_arg)->functype() != Item_func::GUSERVAR_FUNC)) @@ -1035,7 +1035,7 @@ Item** Arg_comparator::cache_converted_constant(THD *thd_arg, Item **value, Item_result type) { /* Don't need cache if doing context analysis only. */ - if (!thd_arg->is_context_analysis_only() && + if (!thd->lex->is_ps_or_view_context_analysis() && (*value)->const_item() && type != (*value)->result_type()) { Item_cache *cache= Item_cache::get_cache(*value, type); @@ -1209,9 +1209,12 @@ get_year_value(THD *thd, Item ***item_arg, Item **cache_arg, value of 2000. */ Item *real_item= item->real_item(); - if (!(real_item->type() == Item::FIELD_ITEM && - ((Item_field *)real_item)->field->type() == MYSQL_TYPE_YEAR && - ((Item_field *)real_item)->field->field_length == 4)) + Field *field= NULL; + if (real_item->type() == Item::FIELD_ITEM) + field= ((Item_field *)real_item)->field; + else if (real_item->type() == Item::CACHE_ITEM) + field= ((Item_cache *)real_item)->field(); + if (!(field && field->type() == MYSQL_TYPE_YEAR && field->field_length == 4)) { if (value < 70) value+= 100; @@ -4860,12 +4863,13 @@ bool Item_func_like::fix_fields(THD *thd, Item **ref) return TRUE; } - if (escape_item->const_item() && !thd->lex->view_prepare_mode) + if (escape_item->const_item()) { /* If we are on execution stage */ String *escape_str= escape_item->val_str(&cmp.value1); if (escape_str) { + const char *escape_str_ptr= escape_str->ptr(); if (escape_used_in_parsing && ( (((thd->variables.sql_mode & MODE_NO_BACKSLASH_ESCAPES) && escape_str->numchars() != 1) || @@ -4880,9 +4884,9 @@ bool Item_func_like::fix_fields(THD *thd, Item **ref) CHARSET_INFO *cs= escape_str->charset(); my_wc_t wc; int rc= cs->cset->mb_wc(cs, &wc, - (const uchar*) escape_str->ptr(), - (const uchar*) escape_str->ptr() + - escape_str->length()); + (const uchar*) escape_str_ptr, + (const uchar*) escape_str_ptr + + escape_str->length()); escape= (int) (rc > 0 ? wc : '\\'); } else @@ -4899,13 +4903,13 @@ bool Item_func_like::fix_fields(THD *thd, Item **ref) { char ch; uint errors; - uint32 cnvlen= copy_and_convert(&ch, 1, cs, escape_str->ptr(), + uint32 cnvlen= copy_and_convert(&ch, 1, cs, escape_str_ptr, escape_str->length(), escape_str->charset(), &errors); escape= cnvlen ? ch : '\\'; } else - escape= *(escape_str->ptr()); + escape= escape_str_ptr ? *escape_str_ptr : '\\'; } } else |