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[TD-5578]<fix> the max length of wild cards can be configured

This commit is contained in:
wangmm0220 2021-08-04 18:16:25 +08:00
parent 1c0cc17ea6
commit 349818c9b1
4 changed files with 8 additions and 8 deletions
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4
packaging/cfg/taos.cfg
View File

@ -144,8 +144,8 @@ keepColumnName 1
# max length of an SQL
# maxSQLLength 65480
# max length of like
# maxLikeLength 100
# max length of WildCards
# maxWildCardsLength 100
# the maximum number of records allowed for super table time sorting
# maxNumOfOrderedRes 100000

4
src/client/src/tscSQLParser.c
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@ -4401,9 +4401,9 @@ static int32_t validateLikeExpr(tSqlExpr* pExpr, STableMeta* pTableMeta, int32_t
tSqlExpr* pRight = pExpr->pRight;
if (pExpr->tokenId == TK_LIKE) {
if (pRight->value.nLen > tsMaxLikeStringLen) {
if (pRight->value.nLen > tsMaxWildCardsLen) {
char tmp[64] = {0};
sprintf(tmp, msg1, tsMaxLikeStringLen);
sprintf(tmp, msg1, tsMaxWildCardsLen);
return invalidOperationMsg(msgBuf, tmp);
}

2
src/common/inc/tglobal.h
View File

@ -70,7 +70,7 @@ extern int8_t tsKeepOriginalColumnName;
// client
extern int32_t tsMaxSQLStringLen;
extern int32_t tsMaxLikeStringLen;
extern int32_t tsMaxWildCardsLen;
extern int8_t tsTscEnableRecordSql;
extern int32_t tsMaxNumOfOrderedResults;
extern int32_t tsMinSlidingTime;

6
src/common/src/tglobal.c
View File

@ -76,7 +76,7 @@ int32_t tsCompressMsgSize = -1;
// client
int32_t tsMaxSQLStringLen = TSDB_MAX_ALLOWED_SQL_LEN;
int32_t tsMaxLikeStringLen = TSDB_PATTERN_STRING_MAX_LEN;
int32_t tsMaxWildCardsLen = TSDB_PATTERN_STRING_MAX_LEN;
int8_t tsTscEnableRecordSql = 0;
// the maximum number of results for projection query on super table that are returned from
@ -986,8 +986,8 @@ static void doInitGlobalConfig(void) {
cfg.unitType = TAOS_CFG_UTYPE_BYTE;
taosInitConfigOption(cfg);
cfg.option = "maxLikeLength";
cfg.ptr = &tsMaxLikeStringLen;
cfg.option = "maxWildCardsLength";
cfg.ptr = &tsMaxWildCardsLen;
cfg.valType = TAOS_CFG_VTYPE_INT32;
cfg.cfgType = TSDB_CFG_CTYPE_B_CONFIG | TSDB_CFG_CTYPE_B_CLIENT | TSDB_CFG_CTYPE_B_SHOW;
cfg.minValue = 0;