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fix: error in deleting only tag columns

This commit is contained in:
Xiaoyu Wang 2022-12-29 16:12:52 +08:00
parent e0ca1affdf
commit 3d1b78902f
1 changed files with 5 additions and 1 deletions
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6
source/libs/parser/src/parTranslater.c
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@ -4948,6 +4948,10 @@ static int32_t checkAlterSuperTableBySchema(STranslateContext* pCxt, SAlterTable
return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_ONLY_ONE_JSON_TAG);
}
if (getNumOfTags(pTableMeta) == 1 && pStmt->alterType == TSDB_ALTER_TABLE_DROP_TAG) {
return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_ALTER_TABLE, "the only tag cannot be dropped");
}
int32_t tagsLen = 0;
for (int32_t i = 0; i < pTableMeta->tableInfo.numOfTags; ++i) {
tagsLen += pTagsSchema[i].bytes;
@ -7482,7 +7486,7 @@ static void destoryAlterTbReq(SVAlterTbReq* pReq) {
static int32_t rewriteAlterTableImpl(STranslateContext* pCxt, SAlterTableStmt* pStmt, STableMeta* pTableMeta,
SQuery* pQuery) {
if (getNumOfTags(pTableMeta) == 1 && pStmt->alterType == TSDB_ALTER_TABLE_DROP_TAG) {
return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_ALTER_TABLE);
return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_ALTER_TABLE, "the only tag cannot be dropped");
}
if (TSDB_SUPER_TABLE == pTableMeta->tableType) {