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MDEV-9114: Bulk operations (Array binding)
(+ default values)
This commit is contained in:
Oleksandr Byelkin
@@ -77,6 +77,7 @@
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#include "transaction.h"
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#include "sql_audit.h"
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#include "sql_derived.h" // mysql_handle_derived
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#include "sql_prepare.h"
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#include "debug_sync.h"
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@@ -661,7 +662,9 @@ bool mysql_insert(THD *thd,TABLE_LIST *table_list,
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bool using_bulk_insert= 0;
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uint value_count;
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ulong counter = 1;
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ulong iteration= 0;
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ulonglong id;
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ulong bulk_iterations= bulk_parameters_iterations(thd);
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COPY_INFO info;
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TABLE *table= 0;
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List_iterator_fast<List_item> its(values_list);
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@@ -725,8 +728,11 @@ bool mysql_insert(THD *thd,TABLE_LIST *table_list,
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THD_STAGE_INFO(thd, stage_init);
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thd->lex->used_tables=0;
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values= its++;
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if (bulk_parameters_set(thd))
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DBUG_RETURN(TRUE);
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value_count= values->elements;
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DBUG_ASSERT(bulk_iterations > 0);
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if (mysql_prepare_insert(thd, table_list, table, fields, values,
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update_fields, update_values, duplic, &unused_conds,
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FALSE,
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@@ -885,106 +891,114 @@ bool mysql_insert(THD *thd,TABLE_LIST *table_list,
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goto values_loop_end;
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}
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}
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while ((values= its++))
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do
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{
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if (fields.elements || !value_count)
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{
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/*
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There are possibly some default values:
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INSERT INTO t1 (fields) VALUES ...
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INSERT INTO t1 VALUES ()
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*/
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restore_record(table,s->default_values); // Get empty record
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table->reset_default_fields();
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if (fill_record_n_invoke_before_triggers(thd, table, fields, *values, 0,
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TRG_EVENT_INSERT))
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{
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if (values_list.elements != 1 && ! thd->is_error())
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{
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info.records++;
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continue;
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}
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/*
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TODO: set thd->abort_on_warning if values_list.elements == 1
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and check that all items return warning in case of problem with
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storing field.
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*/
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error=1;
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break;
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}
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}
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else
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{
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/*
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No field list, all fields are set explicitly:
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INSERT INTO t1 VALUES (values)
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*/
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if (thd->lex->used_tables) // Column used in values()
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restore_record(table,s->default_values); // Get empty record
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else
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{
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TABLE_SHARE *share= table->s;
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if (iteration && bulk_parameters_set(thd))
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goto abort;
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while ((values= its++))
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{
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if (fields.elements || !value_count)
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{
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/*
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Fix delete marker. No need to restore rest of record since it will
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be overwritten by fill_record() anyway (and fill_record() does not
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use default values in this case).
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There are possibly some default values:
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INSERT INTO t1 (fields) VALUES ...
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INSERT INTO t1 VALUES ()
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*/
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#ifdef HAVE_valgrind
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if (table->file->ha_table_flags() && HA_RECORD_MUST_BE_CLEAN_ON_WRITE)
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restore_record(table,s->default_values); // Get empty record
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else
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#endif
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table->record[0][0]= share->default_values[0];
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/* Fix undefined null_bits. */
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if (share->null_bytes > 1 && share->last_null_bit_pos)
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restore_record(table,s->default_values); // Get empty record
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table->reset_default_fields();
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if (fill_record_n_invoke_before_triggers(thd, table, fields, *values, 0,
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TRG_EVENT_INSERT))
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{
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table->record[0][share->null_bytes - 1]=
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share->default_values[share->null_bytes - 1];
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if (values_list.elements != 1 && ! thd->is_error())
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{
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info.records++;
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continue;
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}
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/*
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TODO: set thd->abort_on_warning if values_list.elements == 1
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and check that all items return warning in case of problem with
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storing field.
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*/
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error=1;
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break;
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}
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}
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if (fill_record_n_invoke_before_triggers(thd, table, table->field_to_fill(),
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*values, 0, TRG_EVENT_INSERT))
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else
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{
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if (values_list.elements != 1 && ! thd->is_error())
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{
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info.records++;
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continue;
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}
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error=1;
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break;
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}
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}
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/*
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No field list, all fields are set explicitly:
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INSERT INTO t1 VALUES (values)
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*/
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if (thd->lex->used_tables) // Column used in values()
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restore_record(table,s->default_values); // Get empty record
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else
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{
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TABLE_SHARE *share= table->s;
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if ((res= table_list->view_check_option(thd,
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(values_list.elements == 1 ?
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0 :
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ignore))) ==
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VIEW_CHECK_SKIP)
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continue;
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else if (res == VIEW_CHECK_ERROR)
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{
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error= 1;
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break;
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}
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#ifndef EMBEDDED_LIBRARY
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if (lock_type == TL_WRITE_DELAYED)
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{
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LEX_STRING const st_query = { query, thd->query_length() };
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DEBUG_SYNC(thd, "before_write_delayed");
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error=write_delayed(thd, table, duplic, st_query, ignore, log_on);
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DEBUG_SYNC(thd, "after_write_delayed");
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query=0;
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}
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else
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/*
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Fix delete marker. No need to restore rest of record since it will
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be overwritten by fill_record() anyway (and fill_record() does not
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use default values in this case).
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*/
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#ifdef HAVE_valgrind
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if (table->file->ha_table_flags() && HA_RECORD_MUST_BE_CLEAN_ON_WRITE)
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restore_record(table,s->default_values); // Get empty record
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else
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#endif
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error=write_record(thd, table ,&info);
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if (error)
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break;
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thd->get_stmt_da()->inc_current_row_for_warning();
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}
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table->record[0][0]= share->default_values[0];
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/* Fix undefined null_bits. */
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if (share->null_bytes > 1 && share->last_null_bit_pos)
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{
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table->record[0][share->null_bytes - 1]=
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share->default_values[share->null_bytes - 1];
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}
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}
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if (fill_record_n_invoke_before_triggers(thd, table,
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table->field_to_fill(),
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*values, 0, TRG_EVENT_INSERT))
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{
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if (values_list.elements != 1 && ! thd->is_error())
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{
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info.records++;
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continue;
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}
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error=1;
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break;
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}
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}
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if ((res= table_list->view_check_option(thd,
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(values_list.elements == 1 ?
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0 :
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ignore))) ==
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VIEW_CHECK_SKIP)
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continue;
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else if (res == VIEW_CHECK_ERROR)
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{
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error= 1;
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break;
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}
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#ifndef EMBEDDED_LIBRARY
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if (lock_type == TL_WRITE_DELAYED)
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{
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LEX_STRING const st_query = { query, thd->query_length() };
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DEBUG_SYNC(thd, "before_write_delayed");
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error=write_delayed(thd, table, duplic, st_query, ignore, log_on);
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DEBUG_SYNC(thd, "after_write_delayed");
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query=0;
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}
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else
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#endif
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error=write_record(thd, table ,&info);
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if (error)
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break;
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thd->get_stmt_da()->inc_current_row_for_warning();
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}
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its.rewind();
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iteration++;
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} while (iteration < bulk_iterations);
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values_loop_end:
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free_underlaid_joins(thd, &thd->lex->select_lex);
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@@ -1131,7 +1145,7 @@ values_loop_end:
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retval= thd->lex->explain->send_explain(thd);
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goto abort;
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}
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if (values_list.elements == 1 && (!(thd->variables.option_bits & OPTION_WARNINGS) ||
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if ((bulk_iterations * values_list.elements) == 1 && (!(thd->variables.option_bits & OPTION_WARNINGS) ||
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!thd->cuted_fields))
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{
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my_ok(thd, info.copied + info.deleted +
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