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Fixed the reduce/reduce conflicts introduced by subselects.

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sql/sql_yacc.yy:
  Fixed the reduce/reduce conflicts introduced by subselects by
  breaking select_init apart.
This commit is contained in:
unknown 2002-11-28 16:10:29 +01:00
parent 3284c39a1f
commit b01993fd4e
1 changed files with 19 additions and 14 deletions
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33
sql/sql_yacc.yy
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@ -1635,17 +1635,9 @@ table_to_table:
select:
select_init { Lex->sql_command=SQLCOM_SELECT; };
/* Need select_init2 for subselects. */
select_init:
SELECT_SYM select_part2
{
LEX *lex= Lex;
if (lex->current_select->set_braces(false))
{
send_error(lex->thd, ER_SYNTAX_ERROR);
YYABORT;
}
}
union
SELECT_SYM select_init2
|
'(' SELECT_SYM select_part2 ')'
{
@ -1661,6 +1653,19 @@ select_init:
sel->master_unit();
} union_opt;
select_init2:
select_part2
{
LEX *lex= Lex;
if (lex->current_select->set_braces(false))
{
send_error(lex->thd, ER_SYNTAX_ERROR);
YYABORT;
}
}
union
;
select_part2:
{
LEX *lex=Lex;
@ -4388,7 +4393,7 @@ singleval_subselect:
};
singleval_subselect_init:
select_init
select_init2
{
$$= new Item_singleval_subselect(YYTHD,
Lex->current_select->master_unit()->
@ -4403,7 +4408,7 @@ exists_subselect:
};
exists_subselect_init:
select_init
select_init2
{
$$= new Item_exists_subselect(YYTHD,
Lex->current_select->master_unit()->
@ -4418,13 +4423,13 @@ in_subselect:
};
in_subselect_init:
select_init
select_init2
{
$$= Lex->current_select->master_unit()->first_select();
};
subselect_start:
'('
'(' SELECT_SYM
{
if (mysql_new_select(Lex, 1))
YYABORT;