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--source include/not_windows.inc
--source include/have_debug.inc
--source include/no_valgrind_without_big.inc
--let $error_log= $MYSQLTEST_VARDIR/log/mysqld.1.err
--remove_file $error_log
--source include/restart_mysqld.inc
--disable_query_log
--source include/outfile_fsync.inc
eval set @tmpdir='$MYSQLTEST_VARDIR/tmp';
--source include/have_outfile.inc
--enable_query_log
# Save the initial number of concurrent sessions
--source include/count_sessions.inc
SET SESSION select_into_buffer_size=262144;
# Table is used to check if exported data are the same as
# in original table(t2).
CREATE TABLE t1 (a TEXT, b TEXT) ENGINE=INNODB;
# Create a table and populate it with some data
CREATE TABLE t2 (a TEXT, b TEXT) ENGINE=INNODB;
# Here we end up with 32768 rows in the table
--disable_query_log
INSERT INTO t2 (a, b) VALUES (REPEAT('a', 512), REPEAT('b', 512));
INSERT INTO t2 (a, b) VALUES (REPEAT('A', 512), REPEAT('B', 512));
let $i=14;
while ($i) {
INSERT INTO t2 (a, b) SELECT a, b FROM t2;
dec $i;
}
# Query1, check SELECT INTO OUTFILE, number of flushes is expected to be 129.
SET GLOBAL debug = '+d,print_select_into_flush_stats';
--eval SELECT /*+ SET_VAR(select_into_disk_sync = ON) */ * INTO OUTFILE "$MYSQLTEST_VARDIR/tmp/t2.txt" FROM t2;
# Check if data is the same as in original table.
SET GLOBAL debug = '-d,print_select_into_flush_stats';
--eval LOAD DATA INFILE '$MYSQLTEST_VARDIR/tmp/t2.txt' IGNORE INTO TABLE t1;
--let $diff_tables= test.t1, test.t2
--source include/diff_tables.inc
SET GLOBAL debug = '+d,print_select_into_flush_stats';
--remove_file $MYSQLTEST_VARDIR/tmp/t2.txt
# Query2, check SELECT INTO OUTFILE with delay, number of flushes is expected to be 1.
--error ER_QUERY_TIMEOUT
--eval SELECT /*+ MAX_EXECUTION_TIME(1000) SET_VAR(select_into_disk_sync_delay = 5000) SET_VAR(select_into_disk_sync = ON) */ * INTO OUTFILE "$MYSQLTEST_VARDIR/tmp/t2.txt" FROM t2;
--remove_file $MYSQLTEST_VARDIR/tmp/t2.txt
# Query3, check SELECT INTO DUMPFILE, number of flushes is expected to be 2.
DELETE FROM t2;
INSERT INTO t2 (a, b) VALUES (REPEAT('a', 10000), REPEAT('b', 10000));
--eval SELECT /*+ SET_VAR(select_into_disk_sync = ON) SET_VAR(select_into_buffer_size = 8192) */ * INTO DUMPFILE "$MYSQLTEST_VARDIR/tmp/t2.txt" FROM t2;
--remove_file $MYSQLTEST_VARDIR/tmp/t2.txt
--enable_query_log
--let $assert_file= $error_log
--let $assert_only_after = CURRENT_TEST: outfile_fsync_debug
--let $assert_count = 1
# Verify query1
--let $assert_select = \[select_to_file\]\[flush_count\] 129
--let $assert_text = Found expected number of select_to_file
--source include/assert_grep.inc
# Verify query2
--let $assert_select = \[select_to_file\]\[flush_count\] 001
--source include/assert_grep.inc
# Verify query3
--let $assert_select = \[select_to_file\]\[flush_count\] 002
--source include/assert_grep.inc
# Wait till we reached the initial number of concurrent sessions
--source include/wait_until_count_sessions.inc
SET GLOBAL debug = '-d,print_select_into_flush_stats';
# Check if system variable select_into_buffer_size, select_into_disk_sync,
# select_into_disk_sync_delay are hint-updatable.
SELECT /*+ SET_VAR(select_into_disk_sync_delay = 5000)
SET_VAR(select_into_disk_sync = ON)
SET_VAR(select_into_buffer_size = 16384) */
@@select_into_disk_sync_delay, @@select_into_disk_sync, @@select_into_buffer_size;
SET SESSION select_into_buffer_size=default;
DROP TABLE t1, t2;
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