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MDEV-4677 GROUP_CONCAT not showing any output with group_concat_max_len >= 4Gb

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don't allow group_concat_max_len values >= 4Gb
(they never worked anyway)
This commit is contained in:
Sergei Golubchik
2020-11-11 15:51:18 +01:00
parent e189faf0b3
commit f6e91552f0
10 changed files with 41 additions and 18 deletions
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4
sql/sys_vars.cc
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@@ -4157,11 +4157,11 @@ static Sys_var_ulong Sys_default_week_format(
SESSION_VAR(default_week_format), CMD_LINE(REQUIRED_ARG),
VALID_RANGE(0, 7), DEFAULT(0), BLOCK_SIZE(1));
static Sys_var_ulonglong Sys_group_concat_max_len(
static Sys_var_uint Sys_group_concat_max_len(
"group_concat_max_len",
"The maximum length of the result of function GROUP_CONCAT()",
SESSION_VAR(group_concat_max_len), CMD_LINE(REQUIRED_ARG),
VALID_RANGE(4, SIZE_T_MAX), DEFAULT(1024*1024), BLOCK_SIZE(1));
VALID_RANGE(4, UINT_MAX32), DEFAULT(1024*1024), BLOCK_SIZE(1));
static char *glob_hostname_ptr;
static Sys_var_charptr Sys_hostname(