[td-10564] refactor query statement parse procedure.

include/client/taos.h

@@ -46,6 +46,11 @@ typedef void **TAOS_ROW;
 #define TSDB_DATA_TYPE_USMALLINT  12    // 2 bytes
 #define TSDB_DATA_TYPE_UINT       13    // 4 bytes
 #define TSDB_DATA_TYPE_UBIGINT    14    // 8 bytes
+#define TSDB_DATA_TYPE_VARCHAR    15    // string
+#define TSDB_DATA_TYPE_JSON       16    // json
+#define TSDB_DATA_TYPE_DECIMAL    17    // decimal
+#define TSDB_DATA_TYPE_BLOB       18    // binary string
+#define TSDB_DATA_TYPE_LONGBLOB   19    // long binary string
 
 typedef enum {
   TSDB_OPTION_LOCALE,
@@ -157,7 +162,6 @@ DLL_EXPORT int taos_errno(TAOS_RES *tres);
 
 DLL_EXPORT void taos_query_a(TAOS *taos, const char *sql, void (*fp)(void *param, TAOS_RES *, int code), void *param);
 DLL_EXPORT void taos_fetch_rows_a(TAOS_RES *res, void (*fp)(void *param, TAOS_RES *, int numOfRows), void *param);
-//DLL_EXPORT void taos_fetch_row_a(TAOS_RES *res, void (*fp)(void *param, TAOS_RES *, TAOS_ROW row), void *param);
 
 typedef void (*TAOS_SUBSCRIBE_CALLBACK)(TAOS_SUB* tsub, TAOS_RES *res, void* param, int code);
 DLL_EXPORT TAOS_SUB *taos_subscribe(TAOS* taos, int restart, const char* topic, const char *sql, TAOS_SUBSCRIBE_CALLBACK fp, void *param, int interval);

include/libs/parser/parser.h

@@ -96,7 +96,7 @@ typedef struct STagCond {
 typedef struct STableMetaInfo {
   STableMeta    *pTableMeta;      // table meta, cached in client side and acquired by name
   uint32_t       tableMetaSize;
-  size_t         tableMetaCapacity;
+//  size_t         tableMetaCapacity;
   SVgroupsInfo  *vgroupList;
   SArray        *pVgroupTables;   // SArray<SVgroupTableInfo>
 

source/common/src/tname.c

@@ -120,29 +120,6 @@ int64_t taosGetIntervalStartTimestamp(int64_t startTime, int64_t slidingTime, in
 
 #endif
 
-/*
- * tablePrefix.columnName
- * extract table name and save it in pTable, with only column name in pToken
- */
-//void extractTableNameFromToken(SStrToken* pToken, SStrToken* pTable) {
-//  const char sep = TS_PATH_DELIMITER[0];
-//
-//  if (pToken == pTable || pToken == NULL || pTable == NULL) {
-//    return;
-//  }
-//
-//  char* r = strnchr(pToken->z, sep, pToken->n, false);
-//
-//  if (r != NULL) {  // record the table name token
-//    pTable->n = (uint32_t)(r - pToken->z);
-//    pTable->z = pToken->z;
-//
-//    r += 1;
-//    pToken->n -= (uint32_t)(r - pToken->z);
-//    pToken->z = r;
-//  }
-//}
-
 static struct SSchema _s = {
     .colId = TSDB_TBNAME_COLUMN_INDEX,
     .type  = TSDB_DATA_TYPE_BINARY,

source/libs/parser/inc/astGenerator.h

@@ -42,12 +42,6 @@ enum SQL_NODE_FROM_TYPE {
   SQL_NODE_FROM_TABLELIST  = 2,
 };
 
-//enum SQL_EXPR_FLAG {
-//  EXPR_FLAG_TS_ERROR = 1,
-//  EXPR_FLAG_NS_TIMESTAMP = 2,
-//  EXPR_FLAG_TIMESTAMP_VAR = 3,
-//};
-
 extern char tTokenTypeSwitcher[13];
 
 #define toTSDBType(x)                          \