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Merge pull request #12397 from taosdata/feat/TD-15280 

feat: tag read
This commit is contained in:
Hongze Cheng 2022-05-12 20:25:07 +08:00 committed by GitHub
parent fed7f17040 7ed7e1de40
commit a3eaf53bf5
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 11 additions and 5 deletions
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2
include/common/tdataformat.h
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@ -384,7 +384,7 @@ static FORCE_INLINE int32_t comparTagId(const void *key1, const void *key2) {
}
}
static FORCE_INLINE void *tdGetKVRowValOfCol(SKVRow row, int16_t colId) {
static FORCE_INLINE void *tdGetKVRowValOfCol(const SKVRow row, int16_t colId) {
void *ret = taosbsearch(&colId, kvRowColIdx(row), kvRowNCols(row), sizeof(SColIdx), comparTagId, TD_EQ);
if (ret == NULL) return NULL;
return kvRowColVal(row, (SColIdx *)ret);

1
source/dnode/vnode/inc/vnode.h
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@ -76,6 +76,7 @@ void metaReaderInit(SMetaReader *pReader, SMeta *pMeta, int32_t flags);
void metaReaderClear(SMetaReader *pReader);
int metaGetTableEntryByUid(SMetaReader *pReader, tb_uid_t uid);
int metaReadNext(SMetaReader *pReader);
const void *metaGetTableTagVal(SMetaEntry *pEntry, int16_t cid);
#if 1 // refact APIs below (TODO)
typedef SVCreateTbReq STbCfg;

5
source/dnode/vnode/src/meta/metaQuery.c
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@ -466,3 +466,8 @@ void *metaGetSmaInfoByIndex(SMeta *pMeta, int64_t indexUid, bool isDecode) {
}
#endif
const void *metaGetTableTagVal(SMetaEntry *pEntry, int16_t cid) {
ASSERT(pEntry->type == TSDB_CHILD_TABLE);
return tdGetKVRowValOfCol((const SKVRow)pEntry->ctbEntry.pTags, cid);
}