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Merge remote-tracking branch 'origin/10.2' into bb-10.2-ext

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This commit is contained in:
Alexander Barkov
2018-02-08 19:06:25 +04:00
parent 560b9895d4 5c057b3fef
commit 3cad31f2a7
522 changed files with 11092 additions and 4684 deletions
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45
sql/sql_class.h
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@ -1041,6 +1041,21 @@ public:
LEX_CSTRING name; /* name for named prepared statements */
LEX *lex; // parse tree descriptor
/*
LEX which represents current statement (conventional, SP or PS)
For example during view parsing THD::lex will point to the views LEX and
THD::stmt_lex will point to LEX of the statement where the view will be
included
Currently it is used to have always correct select numbering inside
statement (LEX::current_select_number) without storing and restoring a
global counter which was THD::select_number.
TODO: make some unified statement representation (now SP has different)
to store such data like LEX::current_select_number.
*/
LEX *stmt_lex;
/*
Points to the query associated with this statement. It's const, but
we need to declare it char * because all table handlers are written
@ -1198,6 +1213,29 @@ typedef struct st_xid_state {
/* Error reported by the Resource Manager (RM) to the Transaction Manager. */
uint rm_error;
XID_cache_element *xid_cache_element;
/**
Check that XA transaction has an uncommitted work. Report an error
to the user in case when there is an uncommitted work for XA transaction.
@return result of check
@retval false XA transaction is NOT in state IDLE, PREPARED
or ROLLBACK_ONLY.
@retval true XA transaction is in state IDLE or PREPARED
or ROLLBACK_ONLY.
*/
bool check_has_uncommitted_xa() const
{
if (xa_state == XA_IDLE ||
xa_state == XA_PREPARED ||
xa_state == XA_ROLLBACK_ONLY)
{
my_error(ER_XAER_RMFAIL, MYF(0), xa_state_names[xa_state]);
return true;
}
return false;
}
} XID_STATE;
void xid_cache_init(void);
@ -2872,7 +2910,6 @@ public:
uint tmp_table, global_disable_checkpoint;
uint server_status,open_options;
enum enum_thread_type system_thread;
uint select_number; //number of select (used for EXPLAIN)
/*
Current or next transaction isolation level.
When a connection is established, the value is taken from
@ -3655,10 +3692,14 @@ public:
void change_item_tree(Item **place, Item *new_value)
{
DBUG_ENTER("THD::change_item_tree");
DBUG_PRINT("enter", ("Register: %p (%p) <- %p",
*place, place, new_value));
/* TODO: check for OOM condition here */
if (!stmt_arena->is_conventional())
nocheck_register_item_tree_change(place, *place, mem_root);
*place= new_value;
DBUG_VOID_RETURN;
}
/**
Make change in item tree after checking whether it needs registering
@ -4537,7 +4578,7 @@ public:
void set_local_lex(sp_lex_local *sublex)
{
DBUG_ASSERT(lex->sphead);
lex= sublex;
lex= stmt_lex= sublex;
/* Reset part of parser state which needs this. */
m_parser_state->m_yacc.reset_before_substatement();
}