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Merge pull request #6412 from taosdata/hotfix/TD-4620 

[TD-4620]client crash when insert long string column
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haojun Liao 2021-06-08 16:27:10 +08:00 committed by GitHub
parent 3bf8a5dd7e 496f646aff
commit 84dcaebd16
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 5 additions and 1 deletions
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6
src/client/src/tscParseInsert.c
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@ -466,6 +466,10 @@ int tsParseOneRow(char **str, STableDataBlocks *pDataBlocks, SSqlCmd *pCmd, int1
int32_t cnt = 0;
int32_t j = 0;
if (sToken.n >= TSDB_MAX_BYTES_PER_ROW) {
return tscSQLSyntaxErrMsg(pCmd->payload, "too long string", sToken.z);
}
for (uint32_t k = 1; k < sToken.n - 1; ++k) {
if (sToken.z[k] == '\\' || (sToken.z[k] == delim && sToken.z[k + 1] == delim)) {
tmpTokenBuf[j] = sToken.z[k + 1];
@ -705,7 +709,7 @@ static int32_t doParseInsertStatement(SSqlCmd* pCmd, char **str, STableDataBlock
}
code = TSDB_CODE_TSC_INVALID_SQL;
char tmpTokenBuf[16*1024] = {0}; // used for deleting Escape character: \\, \', \"
char tmpTokenBuf[TSDB_MAX_BYTES_PER_ROW] = {0}; // used for deleting Escape character: \\, \', \"
int32_t numOfRows = 0;
code = tsParseValues(str, dataBuf, maxNumOfRows, pCmd, &numOfRows, tmpTokenBuf);