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[td-225] update the updateTagVal msg

This commit is contained in:
Haojun Liao 2020-07-02 21:36:32 +08:00
parent a9ef9ff97e
commit 5ac1c1bb67
3 changed files with 29 additions and 10 deletions
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31
src/client/src/tscSQLParser.c
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@ -4452,6 +4452,7 @@ int32_t setAlterTableInfo(SSqlObj* pSql, struct SSqlInfo* pInfo) {
tVariantList* pVarList = pAlterSQL->varList;
tVariant* pTagName = &pVarList->a[0].pVar;
int16_t numOfTags = tscGetNumOfTags(pTableMeta);
SColumnIndex columnIndex = COLUMN_INDEX_INITIALIZER;
SSQLToken name = {.type = TK_STRING, .z = pTagName->pz, .n = pTagName->nLen};
@ -4475,8 +4476,10 @@ int32_t setAlterTableInfo(SSqlObj* pSql, struct SSqlInfo* pInfo) {
(pVarList->a[1].pVar.nLen + VARSTR_HEADER_SIZE) > pTagsSchema->bytes) {
return invalidSqlErrMsg(pQueryInfo->msg, msg14);
}
int32_t size = sizeof(SUpdateTableTagValMsg) + pTagsSchema->bytes + TSDB_EXTRA_PAYLOAD_SIZE;
int32_t schemaLen = sizeof(STColumn) * numOfTags;
int32_t size = sizeof(SUpdateTableTagValMsg) + pTagsSchema->bytes + schemaLen + TSDB_EXTRA_PAYLOAD_SIZE;
if (TSDB_CODE_SUCCESS != tscAllocPayload(pCmd, size)) {
tscError("%p failed to malloc for alter table msg", pSql);
return TSDB_CODE_TSC_OUT_OF_MEMORY;
@ -4487,11 +4490,25 @@ int32_t setAlterTableInfo(SSqlObj* pSql, struct SSqlInfo* pInfo) {
pUpdateMsg->tid = htonl(pTableMeta->sid);
pUpdateMsg->uid = htobe64(pTableMeta->uid);
pUpdateMsg->colId = htons(pTagsSchema->colId);
pUpdateMsg->type = htons(pTagsSchema->type);
pUpdateMsg->bytes = htons(pTagsSchema->bytes);
pUpdateMsg->tversion = htons(pTableMeta->tversion);
tVariantDump(&pVarList->a[1].pVar, pUpdateMsg->data, pTagsSchema->type, true);
pUpdateMsg->numOfTags = htons(numOfTags);
pUpdateMsg->schemaLen = htonl(schemaLen);
// the schema is located after the msg body, then followed by true tag value
char* d = pUpdateMsg->data;
SSchema* pTagCols = tscGetTableTagSchema(pTableMeta);
for (int i = 0; i < numOfTags; ++i) {
STColumn* pCol = (STColumn*) d;
pCol->colId = htons(pTagCols[i].colId);
pCol->bytes = htons(pTagCols[i].bytes);
pCol->type = pTagCols[i].type;
pCol->offset = 0;
d += sizeof(STColumn);
}
// copy the tag value to msg body
tVariantDump(&pVarList->a[1].pVar, pUpdateMsg->data + schemaLen, pTagsSchema->type, true);
int32_t len = 0;
if (pTagsSchema->type != TSDB_DATA_TYPE_BINARY && pTagsSchema->type != TSDB_DATA_TYPE_NCHAR) {
@ -4502,7 +4519,7 @@ int32_t setAlterTableInfo(SSqlObj* pSql, struct SSqlInfo* pInfo) {
pUpdateMsg->tagValLen = htonl(len); // length may be changed after dump data
int32_t total = sizeof(SUpdateTableTagValMsg) + len;
int32_t total = sizeof(SUpdateTableTagValMsg) + len + schemaLen;
pUpdateMsg->head.contLen = htonl(total);
} else if (pAlterSQL->type == TSDB_ALTER_TABLE_ADD_COLUMN) {

4
src/inc/taosmsg.h
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@ -285,9 +285,9 @@ typedef struct {
int32_t tid;
int16_t tversion;
int16_t colId;
int16_t type;
int16_t bytes;
int32_t tagValLen;
int16_t numOfTags;
int32_t schemaLen;
char data[];
} SUpdateTableTagValMsg;

4
src/tsdb/src/tsdbMeta.c
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@ -310,7 +310,9 @@ int tsdbUpdateTagValue(TSDB_REPO_T *repo, SUpdateTableTagValMsg *pMsg) {
tsdbRemoveTableFromIndex(pMeta, pTable);
}
// TODO: remove table from index if it is the first column of tag
tdSetKVRowDataOfCol(&pTable->tagVal, htons(pMsg->colId), htons(pMsg->type), pMsg->data);
// TODO: convert the tag schema from client, and then extract the type and bytes from schema according to colId
// tdSetKVRowDataOfCol(&pTable->tagVal, htons(pMsg->colId), htons(pMsg->type), pMsg->data);
if (schemaColAt(pTagSchema, DEFAULT_TAG_INDEX_COLUMN)->colId == htons(pMsg->colId)) {
tsdbAddTableIntoIndex(pMeta, pTable);
}