mirror of
https://github.com/MariaDB/server.git
synced 2025-01-18 04:53:01 +01:00
73a7d99331
~40Mb after mysqldump/import
When the input string exceeds the maximum allowed size for the
internal buffer, batch_readline() returns a truncated string.
Since there was no way for a caller to determine whether the
string was truncated or not, the command line client assumed
batch_readline() to always return the whole input string and
appended a newline character. This resulted in garbled data
when importing dumps containing strings longer than the
maximum input buffer size.
Fixed by adding a flag to the batch_readline() interface to
signal a truncated string to the caller.
Other minor problems fixed during patch implementation:
- The maximum allowed buffer size for batch_readline() was set
up depending on the client's max_allowed_packet value. It does
not actully make any sense, as those variables are not
related. The input buffer size limit is now always set to 1
MB.
- fill_buffer() did not always set the EOF flag.
- The input buffer could actually grow twice as the specified
limit due to insufficient checks in intern_read_line().
client/my_readline.h:
Changed the interface of batch_readline().
client/mysql.cc:
Honor the truncated flag returned by batch_readline() and do
not append the newline character if it was set. Since we can't
change the interfaces for readline()/fgets() used in the
interactive mode, always assume the returned string was not
truncated. In addition, always set the batch_readline()
internal buffer to 1 MB, independently from the client's
max_allowed_packet.
client/readline.cc:
Added the 'truncated' argument do batch_readline() to signal
truncated string to a caller.
Fixed fill_buffer() to set the EOF flag correctly.
Fixed checks in intern_read_line() to not allow the internal
buffer grow past the specified limit.
mysql-test/r/mysql.result:
Added a test case for bug #41486.
mysql-test/t/mysql.test:
Added a test case for bug #41486.
361 lines
16 KiB
Text
361 lines
16 KiB
Text
# This test should work in embedded server after we fix mysqltest
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-- source include/not_embedded.inc
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#
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# Testing the MySQL command line client(mysql)
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#
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--disable_warnings
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drop table if exists t1;
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--enable_warnings
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#
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# Test the "delimiter" functionality
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# Bug#9879
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#
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create table t1(a int);
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insert into t1 values(1);
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# Test delimiters
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--exec $MYSQL test 2>&1 < "./t/mysql_delimiter.sql"
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--disable_query_log
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# Test delimiter : supplied on the command line
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select "Test delimiter : from command line" as "_";
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--exec $MYSQL test --delimiter=":" -e "select * from t1:"
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# Test delimiter :; supplied on the command line
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select "Test delimiter :; from command line" as "_";
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--exec $MYSQL test --delimiter=":;" -e "select * from t1:;"
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# Test 'go' command (vertical output) \G
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select "Test 'go' command(vertical output) \G" as "_";
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--exec $MYSQL test -e "select * from t1\G"
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# Test 'go' command \g
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select "Test 'go' command \g" as "_";
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--exec $MYSQL test -e "select * from t1\g"
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--enable_query_log
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drop table t1;
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#
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# BUG9998 - MySQL client hangs on USE "database"
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#
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create table t1(a int);
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lock tables t1 write;
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--exec $MYSQL -e "use test; select database();"
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unlock tables;
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drop table t1;
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#
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# Bug#16859 -- NULLs in columns must not truncate data as if a C-language "string".
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#
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--exec $MYSQL -t test -e "create table t1 (col1 binary(4), col2 varchar(10), col3 int); insert into t1 values ('a', 'b', 123421),('a ', '0123456789', 4), ('abcd', '', 4); select concat('>',col1,'<'), col2, col3 from t1; drop table t1;" 2>&1
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#
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# Bug#17939 Wrong table format when using UTF8 strings
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#
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--exec $MYSQL --default-character-set=utf8 --table -e "SELECT 'John Doe' as '__tañgè Ñãmé'" 2>&1
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--exec $MYSQL --default-character-set=utf8 --table -e "SELECT '__tañgè Ñãmé' as 'John Doe'" 2>&1
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#
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# Bug#18265 -- mysql client: No longer right-justifies numeric columns
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#
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--exec $MYSQL -t --default-character-set utf8 test -e "create table t1 (i int, j int, k char(25) charset utf8); insert into t1 (i) values (1); insert into t1 (k) values ('<----------------------->'); insert into t1 (k) values ('<-----'); insert into t1 (k) values ('Τη γλώσσα'); insert into t1 (k) values ('ᛖᚴ ᚷᛖᛏ'); select * from t1; DROP TABLE t1;"
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#
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# "DESCRIBE" commands may return strange NULLness flags.
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#
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--exec $MYSQL --default-character-set utf8 test -e "create table t1 (i int, j int not null, k int); insert into t1 values (null, 1, null); select * from t1; describe t1; drop table t1;"
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--exec $MYSQL -t --default-character-set utf8 test -e "create table t1 (i int, j int not null, k int); insert into t1 values (null, 1, null); select * from t1; describe t1; drop table t1;"
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#
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# Bug#19564: mysql displays NULL instead of space
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#
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--exec $MYSQL test -e "create table b19564 (i int, s1 char(1)); insert into b19564 values (1, 'x'); insert into b19564 values (2, NULL); insert into b19564 values (3, ' '); select * from b19564 order by i; drop table b19564;"
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--exec $MYSQL -t test -e "create table b19564 (i int, s1 char(1)); insert into b19564 values (1, 'x'); insert into b19564 values (2, NULL); insert into b19564 values (3, ' '); select * from b19564 order by i; drop table b19564;"
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#
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# Bug#21618: NULL shown as empty string in client
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#
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--exec $MYSQL test -e "select unhex('zz');"
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--exec $MYSQL -t test -e "select unhex('zz');"
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# Bug#19265 describe command does not work from mysql prompt
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#
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create table t1(a int, b varchar(255), c int);
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--exec $MYSQL test -e "desc t1"
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--exec $MYSQL test -e "desc t1\g"
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drop table t1;
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--disable_parsing
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#
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# Bug#21042 mysql client segfaults on importing a mysqldump export
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#
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--error 1
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--exec $MYSQL test -e "connect verylongdatabasenamethatshouldblowthe256byteslongbufferincom_connectfunctionxkxkxkxkxkxkxkxkxkxkxkxkxkxkxkxkxkxkxkxkxkxkxkxkxkxkxkxkxkxkxkxkxkxkxkxkxkxkxkxkxkxkxkxkxkxkxkxkxkxkxkxkxendcccccccdxxxxxxxxxxxxxxxxxkskskskskkskskskskskskskskskskkskskskskkskskskskskskskskskend" 2>&1
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--enable_parsing
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#
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# Bug #20432: mysql client interprets commands in comments
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#
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# if the client sees the 'use' within the comment, we haven't fixed
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--exec echo "/*" > $MYSQLTEST_VARDIR/tmp/bug20432.sql
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--exec echo "use" >> $MYSQLTEST_VARDIR/tmp/bug20432.sql
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--exec echo "*/" >> $MYSQLTEST_VARDIR/tmp/bug20432.sql
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--exec $MYSQL < $MYSQLTEST_VARDIR/tmp/bug20432.sql 2>&1
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# SQL can have embedded comments => workie
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--exec echo "select /*" > $MYSQLTEST_VARDIR/tmp/bug20432.sql
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--exec echo "use" >> $MYSQLTEST_VARDIR/tmp/bug20432.sql
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--exec echo "*/ 1" >> $MYSQLTEST_VARDIR/tmp/bug20432.sql
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--exec $MYSQL < $MYSQLTEST_VARDIR/tmp/bug20432.sql 2>&1
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# client commands on the other hand must be at BOL => error
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--exec echo "/*" > $MYSQLTEST_VARDIR/tmp/bug20432.sql
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--exec echo "xxx" >> $MYSQLTEST_VARDIR/tmp/bug20432.sql
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--exec echo "*/ use" >> $MYSQLTEST_VARDIR/tmp/bug20432.sql
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--error 1
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--exec $MYSQL < $MYSQLTEST_VARDIR/tmp/bug20432.sql 2>&1
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# client comment recognized, but parameter missing => error
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--exec echo "use" > $MYSQLTEST_VARDIR/tmp/bug20432.sql
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--exec $MYSQL < $MYSQLTEST_VARDIR/tmp/bug20432.sql 2>&1
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#
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# Bug #20328: mysql client interprets commands in comments
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#
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--exec $MYSQL -e "help" > $MYSQLTEST_VARDIR/tmp/bug20328_1.result
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--exec $MYSQL -e "help " > $MYSQLTEST_VARDIR/tmp/bug20328_2.result
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--diff_files $MYSQLTEST_VARDIR/tmp/bug20328_1.result $MYSQLTEST_VARDIR/tmp/bug20328_2.result
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#
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# Bug #19216: Client crashes on long SELECT
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#
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# Create large SELECT
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# - 3400 * 20 makes 68000 columns that is more than the
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# max number that can fit in a 16 bit number.
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--perl
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open(FILE,">","$ENV{'MYSQLTEST_VARDIR'}/tmp/b19216.tmp") or die;
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print FILE "select\n";
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print FILE "'a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a',\n" x 3400;
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print FILE "'b';\n";
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close FILE;
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EOF
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--disable_query_log
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--exec $MYSQL < $MYSQLTEST_VARDIR/tmp/b19216.tmp >/dev/null
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--enable_query_log
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--remove_file $MYSQLTEST_VARDIR/tmp/b19216.tmp
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#
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# Bug #20103: Escaping with backslash does not work
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#
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--exec echo "SET SQL_MODE = 'NO_BACKSLASH_ESCAPES';" > $MYSQLTEST_VARDIR/tmp/bug20103.sql
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--exec echo "SELECT '\';" >> $MYSQLTEST_VARDIR/tmp/bug20103.sql
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--exec $MYSQL < $MYSQLTEST_VARDIR/tmp/bug20103.sql 2>&1
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--exec echo "SET SQL_MODE = '';" > $MYSQLTEST_VARDIR/tmp/bug20103.sql
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--exec echo "SELECT '\';';" >> $MYSQLTEST_VARDIR/tmp/bug20103.sql
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--exec $MYSQL < $MYSQLTEST_VARDIR/tmp/bug20103.sql 2>&1
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#
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# Bug#17583: mysql drops connection when stdout is not writable
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#
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create table t17583 (a int);
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insert into t17583 (a) values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
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insert into t17583 select a from t17583;
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insert into t17583 select a from t17583;
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insert into t17583 select a from t17583;
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insert into t17583 select a from t17583;
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insert into t17583 select a from t17583;
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insert into t17583 select a from t17583;
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insert into t17583 select a from t17583;
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# Close to the minimal data needed to exercise bug.
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select count(*) from t17583;
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--exec echo "select count(*) from t17583; select count(*) from t17583; select count(*) from t17583; select count(*) from t17583; select count(*) from t17583; select count(*) from t17583; select count(*) from t17583; select count(*) from t17583; select count(*) from t17583; select count(*) from t17583; select count(*) from t17583; select count(*) from t17583; select count(*) from t17583; select count(*) from t17583; select count(*) from t17583; select count(*) from t17583; select count(*) from t17583; select count(*) from t17583; select count(*) from t17583; select count(*) from t17583; select count(*) from t17583; select count(*) from t17583; select count(*) from t17583; select count(*) from t17583; select count(*) from t17583; select count(*) from t17583; select count(*) from t17583; select count(*) from t17583; select count(*) from t17583; select count(*) from t17583; select count(*) from t17583; select count(*) from t17583; select count(*) from t17583; select count(*) from t17583; select count(*) from t17583; select count(*) from t17583; select count(*) from t17583; select count(*) from t17583; select count(*) from t17583; select count(*) from t17583; select count(*) from t17583; select count(*) from t17583; select count(*) from t17583; select count(*) from t17583; select count(*) from t17583; select count(*) from t17583; select count(*) from t17583; select count(*) from t17583; select count(*) from t17583; select count(*) from t17583; select count(*) from t17583; select count(*) from t17583; select count(*) from t17583; select count(*) from t17583; select count(*) from t17583; select count(*) from t17583; select count(*) from t17583; select count(*) from t17583; select count(*) from t17583; select count(*) from t17583; select count(*) from t17583; select count(*) from t17583; select count(*) from t17583; select count(*) from t17583; select count(*) from t17583; select count(*) from t17583; select count(*) from t17583; select count(*) from t17583; select count(*) from t17583; select count(*) from t17583; select count(*) from t17583; select count(*) from t17583; select count(*) from t17583; select count(*) from t17583; select count(*) from t17583; " |$MYSQL test >&-
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drop table t17583;
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#
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# Bug#20984: Reproducible MySQL client segmentation fault
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# + additional tests for the "com_connect" function in mysql
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#
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#
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--echo Test connect without db- or host-name => reconnect
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--exec $MYSQL test -e "\r" 2>&1
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--exec $MYSQL test -e "connect" 2>&1
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--echo Test connect with dbname only => new dbname, old hostname
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--exec $MYSQL test -e "\r test" 2>&1
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--exec $MYSQL test -e "connect test" 2>&1
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--exec $MYSQL test -e "\rtest" 2>&1
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--error 1
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--exec $MYSQL test -e "connecttest" 2>&1
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--echo Test connect with _invalid_ dbname only => new invalid dbname, old hostname
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--error 1
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--exec $MYSQL test -e "\r invalid" 2>&1
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--error 1
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--exec $MYSQL test -e "connect invalid" 2>&1
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--echo Test connect with dbname + hostname
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--exec $MYSQL test -e "\r test localhost" 2>&1
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--exec $MYSQL test -e "connect test localhost" 2>&1
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--echo Test connect with dbname + _invalid_ hostname
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# Mask the errno of the error message
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--replace_regex /\([0-9]*\)/(errno)/
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--error 1
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--exec $MYSQL test -e "\r test invalid_hostname" 2>&1
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--replace_regex /\([0-9]*\)/(errno)/
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--error 1
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--exec $MYSQL test -e "connect test invalid_hostname" 2>&1
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--echo The commands reported in the bug report
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--replace_regex /\([0-9]*\)/(errno)/
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--error 1
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--exec $MYSQL test -e "\r\r\n\r\n cyril\ has\ found\ a\ bug\ :)XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX" 2>&1
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#--replace_regex /\([0-9]*\)/(errno)/
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#--error 1
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#--exec echo '\r\r\n\r\n cyril\ has\ found\ a\ bug\ :)XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX' | $MYSQL 2>&1
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--echo Too long dbname
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--error 1
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--exec $MYSQL test -e "\r test_really_long_dbnamexxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx localhost" 2>&1
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--echo Too long hostname
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--replace_regex /\([0-9]*\)/(errno)/
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--error 1
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--exec $MYSQL test -e "\r test cyrils_superlonghostnameXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX" 2>&1
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#
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# Bug #21412: mysql cmdline client allows backslash(es)
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# as delimiter but can't recognize them
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#
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# This should work just fine...
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--write_file $MYSQLTEST_VARDIR/tmp/bug21412.sql
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DELIMITER /
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SELECT 1/
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EOF
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--exec $MYSQL < $MYSQLTEST_VARDIR/tmp/bug21412.sql 2>&1
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remove_file $MYSQLTEST_VARDIR/tmp/bug21412.sql;
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# This should give an error...
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--write_file $MYSQLTEST_VARDIR/tmp/bug21412.sql
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DELIMITER \
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EOF
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--exec $MYSQL < $MYSQLTEST_VARDIR/tmp/bug21412.sql 2>&1
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remove_file $MYSQLTEST_VARDIR/tmp/bug21412.sql;
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# As should this...
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--write_file $MYSQLTEST_VARDIR/tmp/bug21412.sql
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DELIMITER \\
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EOF
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--exec $MYSQL < $MYSQLTEST_VARDIR/tmp/bug21412.sql 2>&1
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remove_file $MYSQLTEST_VARDIR/tmp/bug21412.sql;
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#
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# Some coverage of not normally used parts
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#
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--disable_query_log
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--exec $MYSQL test -e "show status" 2>&1 > /dev/null
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--exec $MYSQL --help 2>&1 > /dev/null
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--exec $MYSQL --version 2>&1 > /dev/null
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--enable_query_log
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#
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# bug #26851: Mysql Client --pager Buffer Overflow
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#
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# allow error 7(invalid argument) since --pager does not always exist in mysql
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--error 0,7
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--exec $MYSQL --pager="540bytelengthstringxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx" -e "select 1" > /dev/null 2>&1
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--exec $MYSQL --character-sets-dir="540bytelengthstringxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx" -e "select 1" 2>&1
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#
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# bug #30164: Using client side macro inside server side comments generates broken queries
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#
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--exec $MYSQL test -e "/*! \C latin1 */ select 1;"
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#
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# Bug#29323 mysql client only accetps ANSI encoded files
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#
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--write_file $MYSQLTEST_VARDIR/tmp/bug29323.sql
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select "This is a file starting with UTF8 BOM 0xEFBBBF";
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EOF
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--exec $MYSQL < $MYSQLTEST_VARDIR/tmp/bug29323.sql 2>&1
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remove_file $MYSQLTEST_VARDIR/tmp/bug29323.sql;
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#
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# Bug #33812: mysql client incorrectly parsing DELIMITER
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#
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# The space and ; after delimiter are important
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--exec $MYSQL -e "select 1 delimiter ;"
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#
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# Bug #38158: mysql client regression, can't read dump files
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#
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--write_file $MYSQLTEST_VARDIR/tmp/bug38158.sql
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-- Testing
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--
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delimiter ||
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select 2 ||
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EOF
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--exec $MYSQL < $MYSQLTEST_VARDIR/tmp/bug38158.sql 2>&1
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--exec $MYSQL -c < $MYSQLTEST_VARDIR/tmp/bug38158.sql 2>&1
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remove_file $MYSQLTEST_VARDIR/tmp/bug38158.sql;
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#
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# Bug #41437: Value stored in 'case' lacks charset, causees segfault
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#
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--exec $MYSQL -e "select @z:='1',@z=database()"
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#
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# Bug #31060: MySQL CLI parser bug 2
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#
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--write_file $MYSQLTEST_VARDIR/tmp/bug31060.sql
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;DELIMITER DELIMITER
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;
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SELECT 1DELIMITER
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DELIMITER ;
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SELECT 1;
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EOF
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--exec $MYSQL < $MYSQLTEST_VARDIR/tmp/bug31060.sql 2>&1
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remove_file $MYSQLTEST_VARDIR/tmp/bug31060.sql;
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#
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# Bug #41486: extra character appears in BLOB for every ~40Mb after
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# mysqldump/import
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#
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# Have to change the global variable as the mysql client will use
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# a separate session
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set @old_max_allowed_packet = @@global.max_allowed_packet;
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# 2 MB blob length + some space for the rest of INSERT query
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set @@global.max_allowed_packet = 2 * 1024 * 1024 + 1024;
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set @@max_allowed_packet = @@global.max_allowed_packet;
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|
|
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CREATE TABLE t1(data LONGBLOB);
|
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INSERT INTO t1 SELECT REPEAT('1', 2*1024*1024);
|
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|
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--exec $MYSQL_DUMP test t1 >$MYSQLTEST_VARDIR/tmp/bug41486.sql
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# Check that the mysql client does not insert extra newlines when loading
|
|
# strings longer than client's max_allowed_packet
|
|
--exec $MYSQL --max_allowed_packet=1M test < $MYSQLTEST_VARDIR/tmp/bug41486.sql 2>&1
|
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SELECT LENGTH(data) FROM t1;
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remove_file $MYSQLTEST_VARDIR/tmp/bug41486.sql;
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|
DROP TABLE t1;
|
|
|
|
set @@global.max_allowed_packet = @old_max_allowed_packet;
|
|
set @@max_allowed_packet = @@global.max_allowed_packet;
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|
|
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--echo End of 5.0 tests
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