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-rw-r--r--mysql-test/r/mysqlbinlog_row_big.result48
1 files changed, 38 insertions, 10 deletions
diff --git a/mysql-test/r/mysqlbinlog_row_big.result b/mysql-test/r/mysqlbinlog_row_big.result
index f2ca72f9936..46fa0dc79cd 100644
--- a/mysql-test/r/mysqlbinlog_row_big.result
+++ b/mysql-test/r/mysqlbinlog_row_big.result
@@ -9,7 +9,17 @@ SET timestamp=1000000000;
#
# We need big packets.
#
+# Capture initial value to reset at the end of the test
+# Now adjust max_allowed_packet
SET @@global.max_allowed_packet= 1024*1024*1024;
+max_allowed_packet is a global variable.
+In order for the preceding change in max_allowed_packets' value
+to be seen and used, we must start a new connection.
+The change does not take effect with the current one.
+For simplicity, we just disconnect / reconnect connection default here.
+Disconnecting default connection...
+Reconnecting default connection...
+default connection established, continuing with the test
#
# Delete all existing binary logs.
#
@@ -21,40 +31,56 @@ CREATE TABLE t1 (
c1 LONGTEXT
) ENGINE=MyISAM DEFAULT CHARSET latin1;
#
-# Show how much rows are affected by each statement.
+# Show how many rows are affected by each statement.
#
#
-# Insert a big row.
+# Insert some big rows.
#
+256MB
+INSERT INTO t1 VALUES (REPEAT('ManyMegaByteBlck', 16777216));
+affected rows: 1
+32MB
INSERT INTO t1 VALUES (REPEAT('ManyMegaByteBlck', 2097152));
affected rows: 1
+4MB
+INSERT INTO t1 VALUES (REPEAT('ManyMegaByteBlck', 262144));
+affected rows: 1
+512KB
+INSERT INTO t1 VALUES (REPEAT('ManyMegaByteBlck', 32768));
+affected rows: 1
#
# Show what we have in the table.
# Do not display the column value itself, just its length.
#
SELECT LENGTH(c1) FROM t1;
+LENGTH(c1) 268435456
LENGTH(c1) 33554432
-affected rows: 1
+LENGTH(c1) 4194304
+LENGTH(c1) 524288
+affected rows: 4
#
-# Grow the row by updating.
+# Grow the rows by updating.
#
UPDATE t1 SET c1 = CONCAT(c1, c1);
-affected rows: 1
-info: Rows matched: 1 Changed: 1 Warnings: 0
+affected rows: 4
+info: Rows matched: 4 Changed: 4 Warnings: 0
#
# Show what we have in the table.
# Do not display the column value itself, just its length.
#
SELECT LENGTH(c1) FROM t1;
+LENGTH(c1) 536870912
+LENGTH(c1) 1048576
LENGTH(c1) 67108864
-affected rows: 1
+LENGTH(c1) 8388608
+affected rows: 4
#
-# Delete the row.
+# Delete the rows.
#
DELETE FROM t1 WHERE c1 >= 'ManyMegaByteBlck';
-affected rows: 1
+affected rows: 4
#
-# Hide how much rows are affected by each statement.
+# Hide how many rows are affected by each statement.
#
#
# Flush all log buffers to the log file.
@@ -70,5 +96,7 @@ FLUSH LOGS;
#
# Cleanup.
#
+# reset variable value to pass testcase checks
+SET @@global.max_allowed_packet = 1048576;
DROP TABLE t1;
remove_file $MYSQLTEST_VARDIR/tmp/mysqlbinlog_big_1.out