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MDEV-14857: problem with 10.2.11 server crashing when executing stored procedure

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Counter for select numbering made stored with the statement (before was global)
So now it does have always accurate value which does not depend on
interruption of statement prepare by errors like lack of table in
a view definition.
This commit is contained in:
Oleksandr Byelkin
2018-01-26 16:59:53 +01:00
parent ad0013c8e2
commit 80d3eee072
15 changed files with 341 additions and 63 deletions
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10
sql/sql_lex.h
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@ -727,7 +727,13 @@ public:
Item *prep_having;/* saved HAVING clause for prepared statement processing */
/* Saved values of the WHERE and HAVING clauses*/
Item::cond_result cond_value, having_value;
/* point on lex in which it was created, used in view subquery detection */
/*
Point to the LEX in which it was created, used in view subquery detection.
TODO: make also st_select_lex::parent_stmt_lex (see THD::stmt_lex)
and use st_select_lex::parent_lex & st_select_lex::parent_stmt_lex
instead of global (from THD) references where it is possible.
*/
LEX *parent_lex;
enum olap_type olap;
/* FROM clause - points to the beginning of the TABLE_LIST::next_local list. */
@ -2452,7 +2458,7 @@ struct LEX: public Query_tables_list
/** SELECT of CREATE VIEW statement */
LEX_STRING create_view_select;
uint number_of_selects; // valid only for view
uint current_select_number; // valid for statment LEX (not view)
/** Start of 'ON table', in trigger statements. */
const char* raw_trg_on_table_name_begin;