dict0dict.c: (3c29c489) · Commits · Software / OSDI20 Artifacts / mariadb

innobase/dict/dict0dict.c

+8 −31

Original line number	Diff line number	Diff line
		@@ -270,7 +270,7 @@ void
		dict_table_autoinc_initialize(
		/==========================/
		dict_table_t* table, /* in: table */
		ib_longlong value) /* in: next value to assign to a row */
		ib_longlong value) /* in: value which was assigned to a row */
		{
		mutex_enter(&(table->autoinc_mutex));

		@@ -281,8 +281,8 @@ dict_table_autoinc_initialize(
		}

		/************************************************************************
		Gets the next autoinc value (== autoinc counter value), 0 if not yet
		initialized. If initialized, increments the counter by 1. */
		Gets the next autoinc value, 0 if not yet initialized. If initialized,
		increments the counter by 1. */

		ib_longlong
		dict_table_autoinc_get(
		@@ -298,8 +298,8 @@ dict_table_autoinc_get(

		value = 0;
		} else {
		value = table->autoinc;
		table->autoinc = table->autoinc + 1;
		value = table->autoinc;
		}

		mutex_exit(&(table->autoinc_mutex));
		@@ -334,43 +334,20 @@ dict_table_autoinc_read(
		}

		/************************************************************************
		Peeks the autoinc counter value, 0 if not yet initialized. Does not
		increment the counter. The read not protected by any mutex! */

		ib_longlong
		dict_table_autoinc_peek(
		/====================/
		/* out: value of the counter */
		dict_table_t* table) /* in: table */
		{
		ib_longlong value;

		if (!table->autoinc_inited) {

		value = 0;
		} else {
		value = table->autoinc;
		}

		return(value);
		}

		/************************************************************************
		Updates the autoinc counter if the value supplied is equal or bigger than the
		Updates the autoinc counter if the value supplied is bigger than the
		current value. If not inited, does nothing. */

		void
		dict_table_autoinc_update(
		/======================/

		dict_table_t* table, /* in: table */
		ib_longlong value) /* in: value which was assigned to a row */
		{
		mutex_enter(&(table->autoinc_mutex));

		if (table->autoinc_inited) {
		if (value >= table->autoinc) {
		table->autoinc = value + 1;
		if (value > table->autoinc) {
		table->autoinc = value;
		}
		}