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Merge pull request #25319 from taosdata/enh/TS-4255-3.0 

enh: insert nchar by sql
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Hongze Cheng 2024-04-10 09:55:10 +08:00 committed by GitHub
parent 5091247957 706ac9a9e6
commit cddfae1cc7
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GPG Key ID: B5690EEEBB952194
1 changed files with 4 additions and 2 deletions
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6
source/libs/parser/src/parInsertSql.c
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@ -1572,11 +1572,13 @@ static int32_t parseValueTokenImpl(SInsertParseContext* pCxt, const char** pSql,
case TSDB_DATA_TYPE_NCHAR: {
// if the converted output len is over than pColumnModel->bytes, return error: 'Argument list too long'
int32_t len = 0;
char* pUcs4 = taosMemoryCalloc(1, pSchema->bytes - VARSTR_HEADER_SIZE);
int64_t realLen = pToken->n << 2;
if (realLen > pSchema->bytes - VARSTR_HEADER_SIZE) realLen = pSchema->bytes - VARSTR_HEADER_SIZE;
char* pUcs4 = taosMemoryMalloc(realLen);
if (NULL == pUcs4) {
return TSDB_CODE_OUT_OF_MEMORY;
}
if (!taosMbsToUcs4(pToken->z, pToken->n, (TdUcs4*)pUcs4, pSchema->bytes - VARSTR_HEADER_SIZE, &len)) {
if (!taosMbsToUcs4(pToken->z, pToken->n, (TdUcs4*)pUcs4, realLen, &len)) {
taosMemoryFree(pUcs4);
if (errno == E2BIG) {
return generateSyntaxErrMsg(&pCxt->msg, TSDB_CODE_PAR_VALUE_TOO_LONG, pSchema->name);