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A fix and a test case for Bug#29050 Creation of a legal stored procedure

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fails if a database is not selected prior.

The problem manifested itself when a user tried to
create a routine that had non-fully-qualified identifiers in its bodies
and there was no current database selected.

This is a regression introduced by the fix for Bug 19022:

The patch for Bug 19022 changes the code to always produce a warning
if we can't resolve the current database in the parser. 
In this case this was not necessary, since even though the produced
parsed tree was incorrect, we never re-use sphead
that was obtained at first parsing of CREATE PROCEDURE.
The sphead that is anyhow used is always obtained through db_load_routine,
and there we change the current database to sphead->m_db before
calling yyparse.

The idea of the fix is to resolve the current database directly using 
lex->sphead->m_db member when parsing a stored routine body, when
such is present.

This patch removes the need to reset the current database
when loading a trigger or routine definition into SP cache.
The redundant code will be removed in 5.1.
This commit is contained in:
kostja@bodhi.(none)
2007-07-05 11:34:04 +04:00
parent c3f37e0b3d
commit a7b05cb786
8 changed files with 93 additions and 14 deletions
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2
sql/sql_parse.cc
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@ -6397,7 +6397,7 @@ TABLE_LIST *st_select_lex::add_table_to_list(THD *thd,
ptr->db= table->db.str;
ptr->db_length= table->db.length;
}
else if (thd->copy_db_to(&ptr->db, &ptr->db_length))
else if (lex->copy_db_to(&ptr->db, &ptr->db_length))
DBUG_RETURN(0);
ptr->alias= alias_str;