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Add a limit (as runtime value) for long in queries

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This commit is contained in:
mariadb-AndreyPiskunov
2023-07-21 22:14:50 +03:00
parent 6ff121a91c
commit 05547f2342
8 changed files with 132 additions and 60 deletions
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45
dbcon/mysql/ha_mcs_sysvars.cpp
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@ -39,8 +39,8 @@ static MYSQL_THDVAR_ENUM(compression_type, PLUGIN_VAR_RQCMDARG,
"SNAPPY segment files are Snappy compressed (default);"
#ifdef HAVE_LZ4
"LZ4 segment files are LZ4 compressed;",
# else
,
#else
,
#endif
NULL, // check
NULL, // update
@ -201,22 +201,27 @@ static MYSQL_THDVAR_ULONGLONG(cache_flush_threshold, PLUGIN_VAR_RQCMDARG,
"Threshold on the number of rows in the cache to trigger a flush", NULL, NULL,
500000, 1, 1000000000, 1);
static MYSQL_THDVAR_STR(cmapi_host, PLUGIN_VAR_NOCMDOPT|PLUGIN_VAR_MEMALLOC, "CMAPI host", NULL, NULL,
static MYSQL_THDVAR_STR(cmapi_host, PLUGIN_VAR_NOCMDOPT | PLUGIN_VAR_MEMALLOC, "CMAPI host", NULL, NULL,
"https://localhost");
static MYSQL_THDVAR_STR(cmapi_version, PLUGIN_VAR_NOCMDOPT|PLUGIN_VAR_MEMALLOC, "CMAPI version", NULL, NULL,
static MYSQL_THDVAR_STR(cmapi_version, PLUGIN_VAR_NOCMDOPT | PLUGIN_VAR_MEMALLOC, "CMAPI version", NULL, NULL,
"0.4.0");
static MYSQL_THDVAR_STR(cmapi_key, PLUGIN_VAR_NOCMDOPT|PLUGIN_VAR_MEMALLOC, "CMAPI key", NULL, NULL,
"");
static MYSQL_THDVAR_STR(pron, PLUGIN_VAR_NOCMDOPT|PLUGIN_VAR_MEMALLOC, "Debug options json dictionary", NULL, NULL, "");
static MYSQL_THDVAR_STR(cmapi_key, PLUGIN_VAR_NOCMDOPT | PLUGIN_VAR_MEMALLOC, "CMAPI key", NULL, NULL, "");
static MYSQL_THDVAR_STR(pron, PLUGIN_VAR_NOCMDOPT | PLUGIN_VAR_MEMALLOC, "Debug options json dictionary",
NULL, NULL, "");
static MYSQL_THDVAR_ULONGLONG(cmapi_port, PLUGIN_VAR_NOCMDOPT, "CMAPI port", NULL,
NULL, 8640, 100, 65356, 1);
static MYSQL_THDVAR_ULONGLONG(cmapi_port, PLUGIN_VAR_NOCMDOPT, "CMAPI port", NULL, NULL, 8640, 100, 65356, 1);
static MYSQL_THDVAR_STR(s3_key, PLUGIN_VAR_NOCMDOPT|PLUGIN_VAR_MEMALLOC, "S3 Authentication Key ", NULL, NULL, "");
static MYSQL_THDVAR_STR(s3_secret, PLUGIN_VAR_NOCMDOPT|PLUGIN_VAR_MEMALLOC, "S3 Authentication Secret", NULL, NULL, "");
static MYSQL_THDVAR_STR(s3_region, PLUGIN_VAR_NOCMDOPT|PLUGIN_VAR_MEMALLOC, "S3 region", NULL, NULL, "");
static MYSQL_THDVAR_STR(s3_key, PLUGIN_VAR_NOCMDOPT | PLUGIN_VAR_MEMALLOC, "S3 Authentication Key ", NULL,
NULL, "");
static MYSQL_THDVAR_STR(s3_secret, PLUGIN_VAR_NOCMDOPT | PLUGIN_VAR_MEMALLOC, "S3 Authentication Secret",
NULL, NULL, "");
static MYSQL_THDVAR_STR(s3_region, PLUGIN_VAR_NOCMDOPT | PLUGIN_VAR_MEMALLOC, "S3 region", NULL, NULL, "");
static MYSQL_THDVAR_ULONG(max_in_limit_query_length, PLUGIN_VAR_RQCMDARG,
"The maximum length of the entries in the IN uery clause.", NULL, NULL, 6000, 1,
~0U, 1);
st_mysql_sys_var* mcs_system_variables[] = {MYSQL_SYSVAR(compression_type),
MYSQL_SYSVAR(fe_conn_info_ptr),
@ -258,6 +263,7 @@ st_mysql_sys_var* mcs_system_variables[] = {MYSQL_SYSVAR(compression_type),
MYSQL_SYSVAR(s3_secret),
MYSQL_SYSVAR(s3_region),
MYSQL_SYSVAR(pron),
MYSQL_SYSVAR(max_in_limit_query_length),
NULL};
st_mysql_show_var mcs_status_variables[] = {{"columnstore_version", (char*)&cs_version, SHOW_CHAR},
@ -271,8 +277,10 @@ void* get_fe_conn_info_ptr(THD* thd)
void set_fe_conn_info_ptr(void* ptr, THD* thd)
{
if (thd == NULL) thd = current_thd;
if (thd == NULL) return;
if (thd == NULL)
thd = current_thd;
if (thd == NULL)
return;
THDVAR(thd, fe_conn_info_ptr) = (uint64_t)(ptr);
}
@ -651,3 +659,12 @@ void set_s3_region(THD* thd, char* value)
{
THDVAR(thd, s3_region) = value;
}
ulong get_max_in_limit_query_length(THD* thd)
{
return (thd == NULL) ? 0 : THDVAR(thd, max_in_limit_query_length);
}
void set_max_in_limit_query_length(THD* thd, ulong value)
{
THDVAR(thd, max_in_limit_query_length) = value;
}