Spracherkennung für: .test vermutete Sprache: SQL {SQL[90] ABAP[54] Lisp[37]} [Methode: maximale Elemente, drei Dimensionen]
-- source include/have_archive.inc
--disable_warnings
drop table if exists t1;
--enable_warnings
--echo #
--echo # MDEV-17297: stats.records=0 for a table of Archive engine when it has rows, when we run ANALYZE command
--echo #
CREATE TABLE t1 (fid INTEGER PRIMARY KEY AUTO_INCREMENT, g POINT)engine=archive;
INSERT INTO t1 VALUES
(101, PointFromText('POINT(10 10)')),
(102, PointFromText('POINT(20 10)')),
(103, PointFromText('POINT(20 20)')),
(104, PointFromWKB(AsWKB(PointFromText('POINT(10 20)'))));
set @tmp1= @@optimizer_use_condition_selectivity;
set @tmp2= @@use_stat_tables;
set optimizer_use_condition_selectivity=4;
set use_stat_tables=PREFERABLY;
ANALYZE TABLE t1;
select * from mysql.table_stats where table_name='t1' and db_name=database();
drop table t1;
set optimizer_use_condition_selectivity=@tmp1;
set use_stat_tables=@tmp2;
[Dauer der Verarbeitung: 0.13 Sekunden, vorverarbeitet 2026-10-08]