# Need more as 16k open files per process (ulimit -n) on Unix systems. --source include/have_partition_open_file_limit.inc ##### max rows to be inserted let $maxrows=32767; # The CREATE will be written into a temporary file ($MYSQL_TMP_DIR/part_list_elem.inc). # After inserting the content of the file it will be removed. perl; use strict; use warnings; my $fname= "$ENV{'MYSQL_TMP_DIR'}/part_list_elem.inc"; my @wrlines; push (@wrlines, "eval create table t2 (a int) engine=\$engine\n"); push (@wrlines, " partition by range (a) \n"); push (@wrlines, " subpartition by hash (a) \n"); push (@wrlines, " subpartitions 2 (\n"); for(my $i=0; $i<4096; $i++) { my $j= ($i+1)* 8; my $pattern= " PARTITION p$i VALUES LESS THAN ($j),\n"; my $last_pattern= " PARTITION p$i VALUES LESS THAN ($j)\n"; if ($i<4095) { push(@wrlines,$pattern); } else { push(@wrlines,$last_pattern); } } push (@wrlines, " );\n"); open(FILE, ">", $fname) or die; print FILE @wrlines; close FILE; EOF source $MYSQL_TMP_DIR/part_list_elem.inc; #remove_file $MYSQL_TMP_DIR/part_list_elem.inc; let $count= $maxrows; --echo $count inserts; --disable_query_log while ($count) { eval insert into t2 values ($count); dec $count; } --enable_query_log select count(*) from t2; select count(*) from t2 partition (p0); select count(*) from t2 partition (p10); select count(*) from t2 partition (p100); select count(*) from t2 partition (p1000); select count(*) from t2 partition (p4000); select count(*) from t2 partition (p4095); select * from t2 partition (p0); select * from t2 partition (p10); select * from t2 partition (p100); select * from t2 partition (p1000); select * from t2 partition (p4000); select * from t2 partition (p4095); delete from t2 partition (p4095); select * from t2 partition (p4095); insert into t2 partition (p4095) values (32766), (32767); select * from t2 partition (p4095); update t2 partition (p4095) set a=32765 where a= 32767; select * from t2 partition (p4095); write_file $MYSQL_TMP_DIR/data01; 32766, 32764, EOF replace_result $MYSQL_TMP_DIR MYSQL_TMP_DIR; eval load data infile '$MYSQL_TMP_DIR/data01' into table t2 partition (p4095) fields terminated by ','; remove_file $MYSQL_TMP_DIR/data01; select * from t2 partition (p4095); error ER_TOO_MANY_PARTITIONS_ERROR; alter table t2 add partition (partition p4096 values less than (32775)); drop table t2;