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sql/ha_federated.cc: Change mode to -rw-rw-r-- myisam/mi_create.c: Ensure that all referenced memory is reset mysql-test/r/type_timestamp.result: More tests mysql-test/t/func_compress.test: Added comment mysql-test/t/type_timestamp.test: More tests sql/field.h: Count number of varchars in table sql/item_cmpfunc.cc: Safety fix (to avoid warning from valgrind) sql/opt_range.cc: Simple optimzation sql/sql_acl.cc: Safety fix (to avoid warning from valgrind) sql/sql_parse.cc: Safety fix for prepared statements sql/sql_show.cc: Move variable declarations first in function Remove hidden variable (it) Remove accessing freed memory (table_list->table_name) sql/sql_update.cc: Compare records with varchars correctly sql/table.cc: Safety fix when running with purify/valgrind Fix wrong memory reference in case of errors sql/table.h: Added counting of varchar fields strings/ctype-mb.c: Fill max_str properly
50 lines
1.7 KiB
Plaintext
50 lines
1.7 KiB
Plaintext
-- source include/have_compress.inc
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#
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# Test for compress and uncompress functions:
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#
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# Note that this test gives error in the gzip library when running under
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# valgrind, but these warnings can be ignored
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select @test_compress_string:='string for test compress function aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa ';
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select length(@test_compress_string);
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select uncompress(compress(@test_compress_string));
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explain extended select uncompress(compress(@test_compress_string));
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select uncompressed_length(compress(@test_compress_string))=length(@test_compress_string);
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explain extended select uncompressed_length(compress(@test_compress_string))=length(@test_compress_string);
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select uncompressed_length(compress(@test_compress_string));
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select length(compress(@test_compress_string))<length(@test_compress_string);
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create table t1 (a text, b char(255), c char(4)) engine=myisam;
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insert into t1 (a,b,c) values (compress(@test_compress_string),compress(@test_compress_string),'d ');
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select uncompress(a) from t1;
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select uncompress(b) from t1;
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select concat('|',c,'|') from t1;
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drop table t1;
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select compress("");
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select uncompress("");
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select uncompress(compress(""));
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select uncompressed_length("");
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#
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# errors
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#
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create table t1 (a text);
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insert t1 values (compress(null)), ('A\0\0\0BBBBBBBB'), (compress(space(50000))), (space(50000));
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select length(a) from t1;
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select length(uncompress(a)) from t1;
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drop table t1;
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#
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# Bug #5497: a problem with large strings
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# note that when LOW_MEMORY is set the "test" below is meaningless
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#
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set @@max_allowed_packet=1048576*100;
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--replace_result "''" XXX "'1'" XXX
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eval select compress(repeat('aaaaaaaaaa', IF('$LOW_MEMORY', 10, 10000000))) is null;
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