refact
This commit is contained in:
Hongze Cheng
parent
4bf754b1bc
commit
d86a5ca3e8
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@ -129,189 +129,4 @@ static void metaCloseImpl(SMeta *pMeta) {
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metaCloseIdx(pMeta);
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metaCloseDB(pMeta);
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metaCloseCache(pMeta);
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}
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// OLD -------------------------------------------------------------------
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#if 0
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static int metaCreateSuperTable(SMeta *pMeta, const char *tbname, const SSuperTableOpts *pSuperTableOpts);
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static int metaCreateChildTable(SMeta *pMeta, const char *tbname, const SChildTableOpts *pChildTableOpts);
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static int metaCreateNormalTable(SMeta *pMeta, const char *tbname, const SNormalTableOpts *pNormalTableOpts);
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int metaCreateTable(SMeta *pMeta, const STableOptions *pTableOpts) {
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size_t vallen;
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char * pUid;
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// Check if table already exists
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pUid = tkvGet(pMeta->tbnameDb, NULL, pTableOpts->name, strlen(pTableOpts->name), &vallen);
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if (pUid) {
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free(pUid);
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// Table already exists, return error code
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return -1;
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}
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switch (pTableOpts->type) {
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case META_SUPER_TABLE:
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return metaCreateSuperTable(pMeta, pTableOpts->name, &(pTableOpts->superOpts));
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case META_CHILD_TABLE:
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return metaCreateChildTable(pMeta, pTableOpts->name, &(pTableOpts->childOpts));
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case META_NORMAL_TABLE:
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return metaCreateNormalTable(pMeta, pTableOpts->name, &(pTableOpts->normalOpts));
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default:
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ASSERT(0);
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}
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return 0;
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}
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static int metaCreateSuperTable(SMeta *pMeta, const char *tbname, const SSuperTableOpts *pSuperTableOpts) {
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size_t vallen;
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size_t keylen;
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char * pVal = NULL;
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char schemaKey[sizeof(tb_uid_t) * 2];
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char buffer[1024]; /* TODO */
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void * pBuf = NULL;
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pVal = tkvGet(pMeta->tableDb, NULL, (char *)(&(pSuperTableOpts->uid)), sizeof(pSuperTableOpts->uid), &vallen);
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if (pVal) {
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free(pVal);
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// TODO: table with same uid exists, just return error
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return -1;
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}
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// Put uid -> tbObj
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vallen = 0;
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pBuf = (void *)buffer;
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vallen += taosEncodeString(&pBuf, tbname); // ENCODE TABLE NAME
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vallen += taosEncodeFixedI32(&pBuf, 1); // ENCODE SCHEMA, SCHEMA HERE IS AN ARRAY OF VERSIONS
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vallen += taosEncodeFixedI32(&pBuf, schemaVersion(pSuperTableOpts->pSchema));
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vallen += tdEncodeSchema(&pBuf, pSuperTableOpts->pTagSchema); // ENCODE TAG SCHEMA
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tkvPut(pMeta->tableDb, NULL, (char *)(&(pSuperTableOpts->uid)), sizeof(pSuperTableOpts->uid), buffer, vallen);
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// Put tbname -> uid
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tkvPut(pMeta->tbnameDb, NULL, tbname, strlen(tbname), (char *)(&(pSuperTableOpts->uid)),
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sizeof(pSuperTableOpts->uid));
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// Put uid+sversion -> schema
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*(tb_uid_t *)schemaKey = pSuperTableOpts->uid;
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*(int32_t *)(POINTER_SHIFT(schemaKey, sizeof(tb_uid_t))) = schemaVersion(pSuperTableOpts->pSchema);
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keylen = sizeof(tb_uid_t) + sizeof(int32_t);
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pBuf = (void *)buffer;
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vallen = tdEncodeSchema(&pBuf, pSuperTableOpts->pSchema);
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tkvPut(pMeta->schemaDb, NULL, schemaKey, keylen, buffer, vallen);
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return 0;
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}
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static int metaCreateChildTable(SMeta *pMeta, const char *tbname, const SChildTableOpts *pChildTableOpts) {
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size_t vallen;
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char buffer[1024]; /* TODO */
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void * pBuf = NULL;
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char * pTable;
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tb_uid_t uid;
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// Check if super table exists
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pTable = tkvGet(pMeta->tableDb, NULL, (char *)(&(pChildTableOpts->suid)), sizeof(pChildTableOpts->suid), &vallen);
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if (pTable == NULL) {
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// Super table not exists, just return error
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return -1;
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}
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// Generate a uid to the new table
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uid = generateUid(&pMeta->uidGenerator);
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// Put uid -> tbObj
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vallen = 0;
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pBuf = (void *)buffer;
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vallen += taosEncodeString(&pBuf, tbname);
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vallen += taosEncodeFixedU64(&pBuf, pChildTableOpts->suid);
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tkvPut(pMeta->tableDb, NULL, (char *)(&uid), sizeof(uid), buffer, vallen);
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// Put tbname -> uid
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tkvPut(pMeta->tbnameDb, NULL, tbname, strlen(tbname), (char *)(&uid), sizeof(uid));
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// Put uid-> tags
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tkvPut(pMeta->tagDb, NULL, (char *)(&uid), sizeof(uid), (char *)pChildTableOpts->tags,
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(size_t)kvRowLen(pChildTableOpts->tags));
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// TODO: Put tagIdx
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return 0;
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}
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static int metaCreateNormalTable(SMeta *pMeta, const char *tbname, const SNormalTableOpts *pNormalTableOpts) {
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size_t vallen;
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char keyBuf[sizeof(tb_uid_t) + sizeof(int32_t)];
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char buffer[1024]; /* TODO */
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void * pBuf = NULL;
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tb_uid_t uid;
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// Generate a uid to the new table
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uid = generateUid(&pMeta->uidGenerator);
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// Put uid -> tbObj
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vallen = 0;
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pBuf = (void *)buffer;
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vallen += taosEncodeString(&pBuf, tbname);
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vallen += taosEncodeFixedI32(&pBuf, 1);
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vallen += taosEncodeFixedI32(&pBuf, schemaVersion(pNormalTableOpts->pSchema));
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tkvPut(pMeta->tableDb, NULL, (char *)(&uid), sizeof(uid), buffer, vallen);
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// Put tbname -> uid
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tkvPut(pMeta->tbnameDb, NULL, tbname, strlen(tbname), (char *)(&(uid)), sizeof(uid));
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// Put uid+sversion -> schema
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vallen = 0;
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pBuf = (void *)buffer;
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vallen += tdEncodeSchema(&pBuf, pNormalTableOpts->pSchema);
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tkvPut(pMeta->schemaDb, NULL, keyBuf, sizeof(tb_uid_t) + sizeof(int32_t), buffer, vallen);
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return 0;
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}
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void metaNormalTableOptsInit(STableOptions *pTableOpts, const char *name, const STSchema *pSchema) {
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pTableOpts->type = META_NORMAL_TABLE;
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pTableOpts->name = strdup(name);
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pTableOpts->normalOpts.pSchema = tdDupSchema(pSchema);
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}
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void metaSuperTableOptsInit(STableOptions *pTableOpts, const char *name, tb_uid_t uid, const STSchema *pSchema,
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const STSchema *pTagSchema) {
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pTableOpts->type = META_SUPER_TABLE;
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pTableOpts->name = strdup(name);
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pTableOpts->superOpts.uid = uid;
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pTableOpts->superOpts.pSchema = tdDupSchema(pSchema);
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pTableOpts->superOpts.pTagSchema = tdDupSchema(pTagSchema);
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}
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void metaChildTableOptsInit(STableOptions *pTableOpts, const char *name, tb_uid_t suid, const SKVRow tags) {
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pTableOpts->type = META_CHILD_TABLE;
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pTableOpts->name = strdup(name);
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pTableOpts->childOpts.suid = suid;
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pTableOpts->childOpts.tags = tdKVRowDup(tags);
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}
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void metaTableOptsClear(STableOptions *pTableOpts) {
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switch (pTableOpts->type) {
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case META_NORMAL_TABLE:
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tfree(pTableOpts->name);
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tdFreeSchema(pTableOpts->normalOpts.pSchema);
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break;
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case META_SUPER_TABLE:
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tdFreeSchema(pTableOpts->superOpts.pTagSchema);
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tdFreeSchema(pTableOpts->superOpts.pSchema);
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tfree(pTableOpts->name);
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break;
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case META_CHILD_TABLE:
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kvRowFree(pTableOpts->childOpts.tags);
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tfree(pTableOpts->name);
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break;
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default:
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break;
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}
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memset(pTableOpts, 0, sizeof(*pTableOpts));
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}
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void metaDestroy(const char *path) { taosRemoveDir(path); }
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#endif
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}
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