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MDEV-19599 Change db_name, table_name to LEX_CSTRING in Item_ident and Send_field

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This commit is contained in:
Alexander Barkov
2019-05-26 06:17:35 +04:00
parent ac93d7d674
commit 9f23f8e598
31 changed files with 319 additions and 317 deletions
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58
sql/item_subselect.cc
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@@ -47,6 +47,8 @@ double get_post_group_estimate(JOIN* join, double join_op_rows);
LEX_CSTRING exists_outer_expr_name= { STRING_WITH_LEN("<exists outer expr>") };
LEX_CSTRING no_matter_name= {STRING_WITH_LEN("<no matter>") };
int check_and_do_in_subquery_rewrites(JOIN *join);
Item_subselect::Item_subselect(THD *thd_arg):
@@ -1930,8 +1932,8 @@ Item_in_subselect::single_value_transformer(JOIN *join)
*/
expr= new (thd->mem_root) Item_direct_ref(thd, &select_lex->context,
(Item**)optimizer->get_cache(),
"<no matter>",
&in_left_expr_name);
no_matter_name,
in_left_expr_name);
}
DBUG_RETURN(false);
@@ -2162,8 +2164,8 @@ Item_in_subselect::create_single_in_to_exists_cond(JOIN *join,
this,
&select_lex->
ref_pointer_array[0],
(char *)"<ref>",
&field_name));
{STRING_WITH_LEN("<ref>")},
field_name));
if (!abort_on_null && left_expr->maybe_null)
{
/*
@@ -2244,8 +2246,8 @@ Item_in_subselect::create_single_in_to_exists_cond(JOIN *join,
&select_lex->context,
this,
&select_lex->ref_pointer_array[0],
(char *)"<no matter>",
&field_name));
no_matter_name,
field_name));
if (!abort_on_null && left_expr->maybe_null)
{
disable_cond_guard_for_const_null_left_expr(0);
@@ -2430,21 +2432,21 @@ Item_in_subselect::create_row_in_to_exists_cond(JOIN * join,
Item_direct_ref(thd, &select_lex->context,
(*optimizer->get_cache())->
addr(i),
(char *)"<no matter>",
&in_left_expr_name),
no_matter_name,
in_left_expr_name),
new (thd->mem_root)
Item_ref(thd, &select_lex->context,
&select_lex->ref_pointer_array[i],
(char *)"<no matter>",
&list_ref));
no_matter_name,
list_ref));
Item *item_isnull=
new (thd->mem_root)
Item_func_isnull(thd,
new (thd->mem_root)
Item_ref(thd, &select_lex->context,
&select_lex->ref_pointer_array[i],
(char *)"<no matter>",
&list_ref));
no_matter_name,
list_ref));
Item *col_item= new (thd->mem_root)
Item_cond_or(thd, item_eq, item_isnull);
if (!abort_on_null && left_expr->element_index(i)->maybe_null &&
@@ -2464,8 +2466,8 @@ Item_in_subselect::create_row_in_to_exists_cond(JOIN * join,
Item_ref(thd, &select_lex->context,
&select_lex->
ref_pointer_array[i],
(char *)"<no matter>",
&list_ref));
no_matter_name,
list_ref));
if (!abort_on_null && left_expr->element_index(i)->maybe_null &&
get_cond_guard(i) )
{
@@ -2499,14 +2501,14 @@ Item_in_subselect::create_row_in_to_exists_cond(JOIN * join,
Item_direct_ref(thd, &select_lex->context,
(*optimizer->get_cache())->
addr(i),
(char *)"<no matter>",
&in_left_expr_name),
no_matter_name,
in_left_expr_name),
new (thd->mem_root)
Item_direct_ref(thd, &select_lex->context,
&select_lex->
ref_pointer_array[i],
(char *)"<no matter>",
&list_ref));
no_matter_name,
list_ref));
if (!abort_on_null && select_lex->ref_pointer_array[i]->maybe_null)
{
Item *having_col_item=
@@ -2515,8 +2517,8 @@ Item_in_subselect::create_row_in_to_exists_cond(JOIN * join,
new (thd->mem_root)
Item_ref(thd, &select_lex->context,
&select_lex->ref_pointer_array[i],
(char *)"<no matter>",
&list_ref));
no_matter_name,
list_ref));
item_isnull= new (thd->mem_root)
Item_func_isnull(thd,
@@ -2524,8 +2526,8 @@ Item_in_subselect::create_row_in_to_exists_cond(JOIN * join,
Item_direct_ref(thd, &select_lex->context,
&select_lex->
ref_pointer_array[i],
(char *)"<no matter>",
&list_ref));
no_matter_name,
list_ref));
item= new (thd->mem_root) Item_cond_or(thd, item, item_isnull);
if (left_expr->element_index(i)->maybe_null && get_cond_guard(i))
{
@@ -3075,8 +3077,8 @@ bool Item_exists_subselect::exists2in_processor(void *opt_arg)
in_subs->expr= new (thd->mem_root)
Item_direct_ref(thd, &first_select->context,
(Item**)optimizer->get_cache(),
(char *)"<no matter>",
&in_left_expr_name);
no_matter_name,
in_left_expr_name);
if (in_subs->fix_fields(thd, optimizer->arguments() + 1))
{
res= TRUE;
@@ -3146,8 +3148,8 @@ bool Item_exists_subselect::exists2in_processor(void *opt_arg)
Item_direct_ref(thd,
&unit->outer_select()->context,
optimizer->arguments(),
(char *)"<no matter>",
&exists_outer_expr_name)),
no_matter_name,
exists_outer_expr_name)),
optimizer) :
(Item *)optimizer);
}
@@ -3170,8 +3172,8 @@ bool Item_exists_subselect::exists2in_processor(void *opt_arg)
Item_direct_ref(thd,
&unit->outer_select()->context,
optimizer->arguments()[0]->addr((int)i),
(char *)"<no matter>",
&exists_outer_expr_name)),
no_matter_name,
exists_outer_expr_name)),
thd->mem_root);
}
}