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Diffstat (limited to 'mysql-test/main/mysqlbinlog_row_big.result')
| -rw-r--r-- | mysql-test/main/mysqlbinlog_row_big.result | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/mysql-test/main/mysqlbinlog_row_big.result b/mysql-test/main/mysqlbinlog_row_big.result new file mode 100644 index 00000000..ecbb9df2 --- /dev/null +++ b/mysql-test/main/mysqlbinlog_row_big.result @@ -0,0 +1,100 @@ +# +# Preparatory cleanup. +# +DROP TABLE IF EXISTS t1; +# +# We need a fixed timestamp to avoid varying results. +# +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. +disconnect default; +connect default, localhost,root,,; +# +# Delete all existing binary logs. +# +RESET MASTER; +# +# Create a test table. +# +CREATE TABLE t1 ( +c1 LONGTEXT +) ENGINE=MyISAM DEFAULT CHARSET latin1; +# +# Show how many rows are affected by each statement. +# +# +# Insert some big rows. +# +64MB +INSERT INTO t1 VALUES (REPEAT('ManyMegaByteBlck', 4194304)); +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) 67108864 +LENGTH(c1) 33554432 +LENGTH(c1) 4194304 +LENGTH(c1) 524288 +affected rows: 4 +# +# Grow the rows by updating. +# +UPDATE t1 SET c1 = CONCAT(c1, c1); +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) 134217728 +LENGTH(c1) 1048576 +LENGTH(c1) 67108864 +LENGTH(c1) 8388608 +affected rows: 4 +# +# Delete the rows. +# +DELETE FROM t1 WHERE c1 >= 'ManyMegaByteBlck'; +affected rows: 4 +# +# Hide how many rows are affected by each statement. +# +# +# Flush all log buffers to the log file. +# +FLUSH LOGS; +# +# Call mysqlbinlog to display the log file contents. +# NOTE: The output of mysqlbinlog is redirected to +# $MYSQLTEST_VARDIR/tmp/mysqlbinlog_big_1.out +# If you want to examine it, disable remove_file +# at the bottom of the test script. +# +# +# Cleanup. +# +# reset variable value to pass testcase checks +DROP TABLE t1; +remove_file $MYSQLTEST_VARDIR/tmp/mysqlbinlog_big_1.out |