diff options
Diffstat (limited to 'mysql-test/t/dyncol.test')
| -rw-r--r-- | mysql-test/t/dyncol.test | 462 |
1 files changed, 462 insertions, 0 deletions
diff --git a/mysql-test/t/dyncol.test b/mysql-test/t/dyncol.test new file mode 100644 index 00000000000..8e1c99a48a4 --- /dev/null +++ b/mysql-test/t/dyncol.test @@ -0,0 +1,462 @@ +# +# Dynamic column function test +# + +--echo # +--echo # column create +--echo # +select hex(COLUMN_CREATE(1, NULL AS char character set utf8)); +select hex(COLUMN_CREATE(1, "afaf" AS char character set utf8)); +select hex(COLUMN_CREATE(1, 1212 AS char character set utf8)); +select hex(COLUMN_CREATE(1, 12.12 AS char character set utf8)); +select hex(COLUMN_CREATE(1, 99999999999999999999999999999 AS char character set utf8)); +select hex(COLUMN_CREATE(1, NULL AS unsigned int)); +select hex(COLUMN_CREATE(1, 1212 AS unsigned int)); +select hex(COLUMN_CREATE(1, 7 AS unsigned int)); +select hex(COLUMN_CREATE(1, 8 AS unsigned int)); +select hex(COLUMN_CREATE(1, 127 AS unsigned int)); +select hex(COLUMN_CREATE(1, 128 AS unsigned int)); +select hex(COLUMN_CREATE(1, 12.12 AS unsigned int)); +select hex(COLUMN_CREATE(1, 99999999999999999999999999999 AS unsigned int)); +select hex(COLUMN_CREATE(1, NULL AS int)); +select hex(COLUMN_CREATE(1, 1212 AS int)); +select hex(COLUMN_CREATE(1, 7 AS int)); +select hex(COLUMN_CREATE(1, 8 AS int)); +select hex(COLUMN_CREATE(1, 127 AS int)); +select hex(COLUMN_CREATE(1, 128 AS int)); +select hex(COLUMN_CREATE(1, 12.12 AS int)); +select hex(COLUMN_CREATE(1, 99999999999999999999999999999 AS int)); +select hex(COLUMN_CREATE(1, NULL AS double)); +select hex(COLUMN_CREATE(1, 1212 AS double)); +select hex(COLUMN_CREATE(1, 12.12 AS double)); +select hex(COLUMN_CREATE(1, 99999999999999999999999999999 AS double)); +select hex(COLUMN_CREATE(1, NULL AS decimal)); +select hex(COLUMN_CREATE(1, 1212 AS decimal)); +select hex(COLUMN_CREATE(1, 7 AS decimal)); +select hex(COLUMN_CREATE(1, 8 AS decimal)); +select hex(COLUMN_CREATE(1, 127 AS decimal)); +select hex(COLUMN_CREATE(1, 128 AS decimal)); +select hex(COLUMN_CREATE(1, 12.12 AS decimal)); +select hex(COLUMN_CREATE(1, 99999999999999999999999999999 AS decimal)); +select hex(COLUMN_CREATE(1, NULL AS date)); +select hex(COLUMN_CREATE(1, "2011-04-05" AS date)); +select hex(COLUMN_CREATE(1, NULL AS time)); +select hex(COLUMN_CREATE(1, "0:45:49.000001" AS time)); +select hex(COLUMN_CREATE(1, NULL AS datetime)); +select hex(COLUMN_CREATE(1, "2011-04-05 0:45:49.000001" AS datetime)); +select hex(COLUMN_CREATE(1, "afaf" AS char character set utf8, + 2, 1212 AS unsigned int, + 3, 1212 AS int, + 4, 12.12 AS double, + 4+1, 12.12 AS decimal, + 6, "2011-04-05" AS date, + 7, "- 0:45:49.000001" AS time, + 8, "2011-04-05 0:45:49.000001" AS datetime)); +explain extended +select hex(COLUMN_CREATE(1, "afaf" AS char character set utf8, + 2, 1212 AS unsigned int, + 3, 1212 AS int, + 4, 12.12 AS double, + 4+1, 12.12 AS decimal, + 6, "2011-04-05" AS date, + 7, "- 0:45:49.000001" AS time, + 8, "2011-04-05 0:45:49.000001" AS datetime)); + + +--echo # +--echo # column get uint +--echo # +select column_get(column_create(1, 1212 AS unsigned int), 1 as unsigned int); +explain extended +select column_get(column_create(1, 1212 AS unsigned int), 1 as unsigned int); +explain extended +select column_get(column_create(1, 1212 AS unsigned int), 1 as unsigned); +select column_get(column_create(1, 1212 AS decimal), 1 as unsigned int); +select column_get(column_create(1, 1212 AS double), 1 as unsigned int); +select column_get(column_create(1, 1212 AS int), 1 as unsigned int); +select column_get(column_create(1, "1212" AS char), 1 as unsigned int); +select column_get(column_create(1, "2011-04-05" AS date), 1 as unsigned int); +select column_get(column_create(1, "8:46:06.23434" AS time), 1 as unsigned int); +select column_get(column_create(1, "2011-04-05 8:46:06.23434" AS datetime), 1 as unsigned int); +select column_get(column_create(1, NULL AS unsigned int), 1 as unsigned int); +--echo # column geint truncation & warnings +select column_get(column_create(1, -1212 AS int), 1 as unsigned int); +select column_get(column_create(1, 99999999999999999999999999999 AS decimal), 1 as unsigned int); +select column_get(column_create(1, 999.9999999999999999 AS decimal), 1 as unsigned int); +select column_get(column_create(1, -1 AS decimal), 1 as unsigned int); +select column_get(column_create(1, 99999999999999999999999999999 AS double), 1 as unsigned int); +select column_get(column_create(1, 999.9 AS double), 1 as unsigned int); +select column_get(column_create(1, -1 AS double), 1 as unsigned int); +select column_get(column_create(1, "1212III" AS char), 1 as unsigned int); + +--echo # +--echo # column get int +--echo # +select column_get(column_create(1, 1212 AS int), 1 as int); +explain extended +select column_get(column_create(1, 1212 AS int), 1 as int); +explain extended +select column_get(column_create(1, 1212 AS int), 1 as signed int); +select column_get(column_create(1, -1212 AS int), 1 as int); +select column_get(column_create(1, 1212 AS decimal), 1 as int); +select column_get(column_create(1, 1212 AS double), 1 as int); +select column_get(column_create(1, 1212 AS unsigned int), 1 as int); +select column_get(column_create(1, "1212" AS char), 1 as int); +select column_get(column_create(1, "-1212" AS char), 1 as int); +select column_get(column_create(1, "2011-04-05" AS date), 1 as int); +select column_get(column_create(1, "8:46:06.23434" AS time), 1 as int); +select column_get(column_create(1, "2011-04-05 8:46:06.23434" AS datetime), 1 as int); +select column_get(column_create(1, NULL AS int), 1 as int); +--echo #column gett truncation & warnings +select column_get(column_create(1, 18446744073709551615 AS unsigned int), 1 as int); +select column_get(column_create(1, 99999999999999999999999999999 AS decimal), 1 as int); +select column_get(column_create(1, -99999999999999999999999999999 AS decimal), 1 as int); +select column_get(column_create(1, 999.9999999999999999 AS decimal), 1 as int); +select column_get(column_create(1, 999.9 AS double), 1 as int); +select column_get(column_create(1, -99999999999999999999999999999 AS double), 1 as int); +select column_get(column_create(1, "-1212III" AS char), 1 as int); +select column_get(column_create(1, "1212III" AS char), 1 as int); + +--echo # +--echo #column get char +--echo # +select column_get(column_create(1, "1212" AS char charset utf8), 1 as char charset utf8); +explain extended +select column_get(column_create(1, "1212" AS char charset utf8), 1 as char charset utf8); +select column_get(column_create(1, 1212 AS unsigned int), 1 as char charset utf8); +select column_get(column_create(1, 18446744073709551615 AS unsigned int), 1 as char charset utf8); +select column_get(column_create(1, 1212 AS int), 1 as char charset utf8); +select column_get(column_create(1, -1212 AS int), 1 as char charset utf8); +select column_get(column_create(1, 9223372036854775807 AS int), 1 as char charset utf8); +select column_get(column_create(1, -9223372036854775808 AS int), 1 as char charset utf8); +select column_get(column_create(1, 1212.12 AS decimal), 1 as char charset utf8); +select column_get(column_create(1, 1212.12 AS double), 1 as char charset utf8); +select column_get(column_create(1, "2011-04-05" AS date), 1 as char charset utf8); +select column_get(column_create(1, "8:46:06.23434" AS time), 1 as char charset utf8); +select column_get(column_create(1, "2011-04-05 8:46:06.23434" AS datetime), 1 as char charset utf8); +select column_get(column_create(1, NULL AS char charset utf8), 1 as char charset utf8); +select column_get(column_create(1, "1212" AS char charset utf8), 1 as char charset binary); +explain extended +select column_get(column_create(1, "1212" AS char charset utf8), 1 as char charset binary); + +--echo # +--echo # column get real +--echo # +select column_get(column_create(1, 1212.12 AS double), 1 as double); +explain extended +select column_get(column_create(1, 1212.12 AS double), 1 as double); +explain extended +select column_get(column_create(1, 1212.12 AS double), 1 as double(6,2)); +select column_get(column_create(1, 18446744073709551615 AS unsigned int), 1 as double); +select column_get(column_create(1, 9223372036854775807 AS int), 1 as double); +select column_get(column_create(1, -9223372036854775808 AS int), 1 as double); +select column_get(column_create(1, 99999999999999999999999999999 AS decimal), 1 as double); +select column_get(column_create(1, -99999999999999999999999999999 AS decimal), 1 as double); +select column_get(column_create(1, "2011-04-05" AS date), 1 as double); +select column_get(column_create(1, "8:46:06.23434" AS time), 1 as double); +select column_get(column_create(1, "2011-04-05 8:46:06.23434" AS datetime), 1 as double); +select column_get(column_create(1, "2011-04-05 8:46:06.23434" AS datetime), 1 as double(20,6)); +select column_get(column_create(1, NULL AS double), 1 as double); + +-- echo # column get real truncation & warnings +select column_get(column_create(1, "1223.5aa" AS char), 1 as double); +select column_get(column_create(1, "aa" AS char), 1 as double); +select column_get(column_create(1, "1223.5555" AS double), 1 as double(5,2)); +select column_get(column_create(1, "1223.5555" AS double), 1 as double(3,2)); + +--echo # +--echo # column get decimal +--echo # +select column_get(column_create(1, 1212.12 AS double), 1 as decimal); +select column_get(column_create(1, 1212.12 AS double), 1 as decimal(6,2)); +explain extended +select column_get(column_create(1, 1212.12 AS double), 1 as decimal); +explain extended +select column_get(column_create(1, 1212.12 AS double), 1 as decimal(6,2)); +select column_get(column_create(1, 18446744073709551615 AS unsigned int), 1 as decimal(20,0)); +select column_get(column_create(1, 9223372036854775807 AS int), 1 as decimal(32,0)); +select column_get(column_create(1, -9223372036854775808 AS int), 1 as decimal(32,0)); +select column_get(column_create(1, -99999999999999999999999999999 AS decimal), 1 as decimal(40,10)); +select column_get(column_create(1, "2011-04-05" AS date), 1 as decimal(32,6)); +select column_get(column_create(1, "8:46:06.23434" AS time), 1 as decimal(32,6)); +select column_get(column_create(1, "2011-04-05 8:46:06.23434" AS datetime), 1 as decimal(32,6)); +select column_get(column_create(1, NULL as decimal), 1 as decimal(32,10)); +select column_get(column_create(1, "1223.5555" as decimal(10,5)), 1 as decimal(6,2)); + +-- echo # column get decimal truncation & warnings +select column_get(column_create(1, "1223.5aa" AS char), 1 as decimal(32,10)); +select column_get(column_create(1, "aa" AS char), 1 as decimal(32,10)); +select column_get(column_create(1, 18446744073709551615 AS unsigned int), 1 as decimal); +select column_get(column_create(1, 9223372036854775807 AS int), 1 as decimal); +select column_get(column_create(1, -9223372036854775808 AS int), 1 as decimal); +select column_get(column_create(1, 99999999999999999999999999999 AS decimal(32,10)), 1 as decimal); +select column_get(column_create(1, "2011-04-05 8:46:06.23434" AS datetime), 1 as decimal); +select column_get(column_create(1, "1223.5555" as double), 1 as decimal(5,2)); +select column_get(column_create(1, "-1223.5555" as double), 1 as decimal(5,2)); +select column_get(column_create(1, "1223.5555" AS double), 1 as decimal(3,2)); +select column_get(column_create(1, "1223.5555" AS decimal(10,5)), 1 as decimal(3,2)); + +--echo # +--echo # column get datetime +--echo # +select column_get(column_create(1, 20010203101112.121314 as double), 1 as datetime); +select column_get(column_create(1, 20010203101112.121314 as decimal), 1 as datetime); +select column_get(column_create(1, 20010203101112 as unsigned int), 1 as datetime); +select column_get(column_create(1, 20010203101112 as int), 1 as datetime); +select column_get(column_create(1, "20010203101112" as char), 1 as datetime); +select column_get(column_create(1, "2001-02-03 10:11:12" as char), 1 as datetime); +select column_get(column_create(1, "2001-02-03 10:11:12.121314" as char), 1 as datetime); +select column_get(column_create(1, "2001-02-03 10:11:12.121314"), 1 as datetime); +select column_get(column_create(1, "2011-04-05 8:46:06.23434" AS datetime), 1 as datetime); +select column_get(column_create(1, "2011-00-00 8:46:06.23434" AS CHAR), 1 as datetime); +select column_get(column_create(1, "2011-00-01 8:46:06.23434" AS CHAR), 1 as datetime); + +select column_get(column_create(1, 20010203 as unsigned int), 1 as datetime); +select column_get(column_create(1, 20010203 as int), 1 as datetime); +select column_get(column_create(1, 20010203), 1 as datetime); +select column_get(column_create(1, 20010203.0), 1 as datetime); +select column_get(column_create(1, 20010203.0 as double), 1 as datetime); +select column_get(column_create(1, "2001-02-03"), 1 as datetime); +select column_get(column_create(1, "20010203"), 1 as datetime); +select column_get(column_create(1, 0), 1 as datetime); +select column_get(column_create(1, "2001021"), 1 as datetime); + +select column_get(column_create(1, "8:46:06.23434" AS time), 1 as datetime); + +set @@sql_mode="allow_invalid_dates"; +select column_get(column_create(1, "2011-02-30 18:46:06.23434" AS CHAR), 1 as datetime); +select column_get(column_create(1, "0000-00-000" AS CHAR), 1 as datetime); +select column_get(column_create(1, "2001-00-02" AS CHAR), 1 as datetime); +set @@sql_mode=""; + +-- echo # column get datetime truncation & warnings +select column_get(column_create(1, "1223.5aa" AS char), 1 as datetime); +select column_get(column_create(1, 18446744073709551615 AS unsigned int), 1 as datetime); +select column_get(column_create(1, 9223372036854775807 AS int), 1 as datetime); +select column_get(column_create(1, -9223372036854775808 AS int), 1 as datetime); +select column_get(column_create(1, 99999999999999999999999999999 AS decimal(32,10)), 1 as datetime); +select column_get(column_create(1, 99999999999999999999999999999 AS double), 1 as datetime); +select column_get(column_create(1, "2011-02-32 8:46:06.23434" AS CHAR), 1 as datetime); +select column_get(column_create(1, "2011-13-01 8:46:06.23434" AS CHAR), 1 as datetime); +select column_get(column_create(1, "2011-02-30 8:46:06.23434" AS CHAR), 1 as datetime); +select column_get(column_create(1, "20010231"), 1 as datetime); +select column_get(column_create(1, "0" AS CHAR), 1 as datetime); + + +--echo # +--echo # column get date +--echo # +select column_get(column_create(1, 20010203101112.121314 as double), 1 as date); +select column_get(column_create(1, 20010203101112.121314 as decimal), 1 as date); +select column_get(column_create(1, 20010203101112 as unsigned int), 1 as date); +select column_get(column_create(1, 20010203101112 as int), 1 as date); +select column_get(column_create(1, "20010203101112" as char), 1 as date); +select column_get(column_create(1, "2001-02-03 10:11:12" as char), 1 as date); +select column_get(column_create(1, "2001-02-03 10:11:12.121314" as char), 1 as date); +select column_get(column_create(1, "2001-02-03 10:11:12.121314"), 1 as date); +select column_get(column_create(1, "2011-04-05 8:46:06.23434" AS datetime), 1 as date); +select column_get(column_create(1, "2011-00-00 8:46:06.23434" AS CHAR), 1 as date); +select column_get(column_create(1, "2011-00-01 8:46:06.23434" AS CHAR), 1 as date); + +select column_get(column_create(1, 20010203 as unsigned int), 1 as date); +select column_get(column_create(1, 20010203 as int), 1 as date); +select column_get(column_create(1, 20010203), 1 as date); +select column_get(column_create(1, 20010203.0), 1 as date); +select column_get(column_create(1, 20010203.0 as double), 1 as date); +select column_get(column_create(1, "2001-02-03"), 1 as date); +select column_get(column_create(1, "20010203"), 1 as date); +select column_get(column_create(1, 0), 1 as date); +select column_get(column_create(1, "2001021"), 1 as date); + +set @@sql_mode="allow_invalid_dates"; +select column_get(column_create(1, "2011-02-30 18:46:06.23434" AS CHAR), 1 as date); +select column_get(column_create(1, "0000-00-000" AS CHAR), 1 as date); +select column_get(column_create(1, "2001-00-02" AS CHAR), 1 as date); +set @@sql_mode=""; + +-- echo # column get date truncation & warnings +select column_get(column_create(1, "1223.5aa" AS char), 1 as date); +select column_get(column_create(1, 18446744073709551615 AS unsigned int), 1 as date); +select column_get(column_create(1, 9223372036854775807 AS int), 1 as date); +select column_get(column_create(1, -9223372036854775808 AS int), 1 as date); +select column_get(column_create(1, 99999999999999999999999999999 AS decimal(32,10)), 1 as date); +select column_get(column_create(1, 99999999999999999999999999999 AS double), 1 as date); +select column_get(column_create(1, "2011-02-32 8:46:06.23434" AS CHAR), 1 as date); +select column_get(column_create(1, "2011-13-01 8:46:06.23434" AS CHAR), 1 as date); +select column_get(column_create(1, "2011-02-30 8:46:06.23434" AS CHAR), 1 as date); +select column_get(column_create(1, "20010231"), 1 as date); +select column_get(column_create(1, "0" AS CHAR), 1 as date); + +--echo # +--echo # column get time +--echo # +select column_get(column_create(1, 20010203101112.121314 as double), 1 as time); +select column_get(column_create(1, 20010203101112.121314 as decimal), 1 as time); +select column_get(column_create(1, 20010203101112 as unsigned int), 1 as time); +select column_get(column_create(1, 20010203101112 as int), 1 as time); +select column_get(column_create(1, "20010203101112" as char), 1 as time); +select column_get(column_create(1, "2001-02-03 10:11:12" as char), 1 as time); +select column_get(column_create(1, "2001-02-03 10:11:12.121314" as char), 1 as time); +select column_get(column_create(1, "2001-02-03 10:11:12.121314"), 1 as time); +select column_get(column_create(1, "2011-04-05 8:46:06.23434" AS datetime), 1 as time); +select column_get(column_create(1, "2011-00-00 8:46:06.23434" AS CHAR), 1 as time); +select column_get(column_create(1, "2011-00-01 8:46:06.23434" AS CHAR), 1 as time); +select column_get(column_create(1, "830:46:06.23434" AS CHAR), 1 as time); +select cast("-830:46:06.23434" AS time); +select 1,cast("-830:46:06.23434" AS time); +select hex(column_create(1, "-830:46:06.23434" AS CHAR)); +select column_get(column_create(1, "-830:46:06.23434" AS CHAR), 1 as time); +select column_get(column_create(1, "0" AS CHAR), 1 as time); +select column_get(column_create(1, "6" AS CHAR), 1 as time); +select column_get(column_create(1, "1:6" AS CHAR), 1 as time); +select column_get(column_create(1, "2:1:6" AS CHAR), 1 as time); + +select column_get(column_create(1, 0), 1 as time); +select column_get(column_create(1, "2001021"), 1 as time); + +set @@sql_mode="allow_invalid_dates"; +select column_get(column_create(1, "2011-02-30 18:46:06.23434" AS CHAR), 1 as time); +set @@sql_mode=""; + +-- echo # column get date truncation & warnings +select column_get(column_create(1, "1223.5aa" AS char), 1 as time); +select column_get(column_create(1, 18446744073709551615 AS unsigned int), 1 as time); +select column_get(column_create(1, 9223372036854775807 AS int), 1 as time); +select column_get(column_create(1, -9223372036854775808 AS int), 1 as time); +select column_get(column_create(1, 99999999999999999999999999999 AS decimal(32,10)), 1 as time); +select column_get(column_create(1, 99999999999999999999999999999 AS double), 1 as time); +select column_get(column_create(1, "2011-02-32 8:46:06.23434" AS CHAR), 1 as time); +select column_get(column_create(1, "2011-13-01 8:46:06.23434" AS CHAR), 1 as time); +select column_get(column_create(1, "2011-02-30 8:46:06.23434" AS CHAR), 1 as time); +select column_get(column_create(1, "2001-02-03"), 1 as time); +select column_get(column_create(1, "20010203"), 1 as time); + + +-- echo # column add +select hex(column_add(column_create(1, 1212 as integer), 2, 1212 as integer)); +select hex(column_add(column_create(1, 1212 as integer), 1, 1212 as integer)); +select hex(column_add(column_create(1, 1212 as integer), 1, NULL as integer)); +select hex(column_add(column_create(1, 1212 as integer), 2, NULL as integer)); +select hex(column_add(column_create(1, 1212 as integer), 2, 1212 as integer, 1, 11 as integer)); +select column_get(column_add(column_create(1, 1212 as integer), 2, 1212 as integer, 1, 11 as integer), 1 as integer); +select column_get(column_add(column_create(1, 1212 as integer), 2, 1212 as integer, 1, 11 as integer), 2 as integer); +select hex(column_add(column_create(1, 1212 as integer), 1, 1212 as integer, 2, 11 as integer)); +select hex(column_add(column_create(1, NULL as integer), 1, 1212 as integer, 2, 11 as integer)); +select hex(column_add(column_create(1, 1212 as integer, 2, 1212 as integer), 1, 11 as integer)); +select hex(column_add(column_create(1, 1), 1, null)); +select column_list(column_add(column_create(1, 1), 1, null)); +select column_list(column_add(column_create(1, 1), 1, "")); +select hex(column_add("", 1, 1)); + +-- echo # column delete +select hex(column_delete(column_create(1, 1212 as integer, 2, 1212 as integer), 1)); +select hex(column_delete(column_create(1, 1 as integer, 2, 2 as integer, 3, 3 as integer), 2)); +select hex(column_delete(column_create(1, 1 as integer, 2, 2 as integer, 3, 3 as integer), 3)); +select hex(column_delete(column_create(1, 1 as integer, 2, 2 as integer, 3, 3 as integer), 4)); +select hex(column_delete(column_create(1, 1 as integer, 2, 2 as integer, 3, 3 as integer), 2, 1)); +select hex(column_delete(column_create(1, 1 as integer, 2, 2 as integer, 3, 3 as integer), 2, 3)); +select hex(column_delete(column_create(1, 1 as integer, 2, 2 as integer, 3, 3 as integer), 1, 2, 3)); +select hex(column_delete(column_create(1, 1 as integer, 2, 2 as integer, 3, 3 as integer), 1, 2, 3, 10)); +select hex(column_delete(column_create(1, 1), 1)); +select hex(column_delete("", 1)); + +-- echo # column exists +select column_exists(column_create(1, 1212 as integer, 2, 1212 as integer), 1); +select column_exists(column_create(1, 1212 as integer, 2, 1212 as integer), 4); + +-- echo # column list +select column_list(column_create(1, 1212 as integer, 2, 1212 as integer)); +select column_list(column_create(1, 1212 as integer)); +select column_list(column_create(1, NULL as integer)); + +--echo # +--echo # check error handling +--echo # +--error ER_DYN_COL_DATA +select HEX(COLUMN_CREATE(1, 5, 1, 5)); +--error 1064 +select HEX(COLUMN_CREATE("", 1, 5, 1, 5)); +--error ER_DYN_COL_WRONG_FORMAT +select COLUMN_LIST("a"); +--error ER_DYN_COL_WRONG_FORMAT +select column_delete("a", 1); +select hex(column_delete("", 1)); +--error ER_DYN_COL_DATA +select hex(column_delete("", -1)); +--error ER_DYN_COL_DATA +select hex(column_create(-1, 1)); +--error ER_DYN_COL_DATA +select hex(column_create(65536, 1)); +--error ER_DYN_COL_DATA +select hex(column_add("", -1, 1)); +--error ER_DYN_COL_DATA +select hex(column_add("", 65536, 1)); +select hex(column_get("", -1 as int)); + +--echo # +--echo # Test with table +--echo # + +# create table with 'str' to hold a set of dynamic columns +create table t1 (id int primary key, str mediumblob); +insert into t1 values (1, ''), (2, ''), (3, ''), (4, ''), (5, null); + +# Selecting a non existing column +select id, str, column_get(str, 1 as int) from t1; + +# Add some dynamic columns. One and do it with create or add. +update t1 set str=column_create(1, id, 2, "a") where id < 3; +update t1 set str=column_add(str, 1, id, 2, "b") where id >= 4; + +# Show some data, if it exists +select id, column_get(str, 1 as int), column_get(str, 2 as char) from t1 where column_exists(str,1) or column_exists(str,2); + +# Add data to row 5 and 6 +update t1 set str=column_create(1, id, 10, "test") where id = 5; +insert into t1 values (6, column_create(10, "test2")); + +# Update some of the columns and add a new column 3 +update t1 set str=column_add(str, 2, 'c', 1, column_get(str, 1 as int) + 1, 3, 100) where id > 2; + +# Check data +select id, length(str), column_get(str, 1 as int), column_get(str, 2 as char), column_get(str, 3 as int) from t1; + +# You can do anything with the columns, like SUM() or GROUP +select column_get(str, 2 as char), sum(column_get(str, 1 as int)) from t1 group by column_get(str, 2 as char); +select column_get(str, 2 as char), sum(column_get(str, 1 as int)) from t1 where column_exists(str, 2) <> 0 group by 1; +select sum(column_get(str, 1 as int)) from t1 group by column_get(str, 2 as char) order by sum(column_get(str, 1 as int)) desc; +select sum(column_get(str, 1 as int)) from t1 group by column_get(str, 2 as char) having sum(column_get(str, 1 as int)) > 2; +select sum(column_get(str, 1 as int)) from t1 where column_get(str, 3 as int) > 50 group by column_get(str, 2 as char); + +# Deleting of column +select id, column_list(str) from t1 where id= 5; +update t1 set str=column_delete(str, 3, 4, 2) where id= 5; + +select id, length(str), column_list(str), column_get(str, 1 as int), column_get(str, 2 as char), column_get(str, 3 as int) from t1; + +update t1 set str=column_add(str, 4, 45 as char, 2, 'c') where id= 5; +select id, length(str), column_list(str), column_get(str, 1 as int), column_get(str, 2 as char), column_get(str, 3 as int) from t1 where id = 5; + +# Check which column exists +select id, length(str), column_list(str), column_exists(str, 4) from t1; +select sum(column_get(str, 1 as int)), column_list(str) from t1 group by 2; +select id, hex(str) from t1; + +# Check with a bit larger strings + +update t1 set str=column_add(str, 4, repeat("a", 100000)) where id=5; +select id from t1 where column_get(str,4 as char(100000)) = repeat("a", 100000); +select id from t1 where column_get(str,4 as char(100)) = repeat("a", 100); +update t1 set str=column_add(str, 4, repeat("b", 10000)) where id=5; +select id from t1 where column_get(str,4 as char(100000)) = repeat("b", 10000); +update t1 set str=column_add(str, 4, repeat("c", 100)) where id=5; +select id from t1 where column_get(str,4 as char(100000)) = repeat("c", 100); +update t1 set str=column_add(str, 4, repeat("d", 10000)) where id=5; +select id from t1 where column_get(str,4 as char(100000)) = repeat("d", 10000); +update t1 set str=column_add(str, 4, repeat("e", 10), 5, repeat("f", 100000)) where id=5; +select id from t1 where column_get(str,5 as char(100000)) = repeat("f", 100000); +select id, column_list(str), length(str) from t1 where id=5; +update t1 set str=column_delete(str, 5) where id=5; +select id, column_list(str), length(str) from t1 where id=5; + +drop table t1; |