sql command 'create index'

include/libs/nodes/cmdnodes.h

@@ -295,7 +295,7 @@ typedef struct SShowTableTagsStmt {
   SNodeList* pTags;
 } SShowTableTagsStmt;
 
-typedef enum EIndexType { INDEX_TYPE_SMA = 1, INDEX_TYPE_FULLTEXT } EIndexType;
+typedef enum EIndexType { INDEX_TYPE_SMA = 1, INDEX_TYPE_FULLTEXT, INDEX_TYPE_NORMAL } EIndexType;
 
 typedef struct SIndexOptions {
   ENodeType  type;

source/libs/parser/inc/sql.y

@@ -460,6 +460,8 @@ tag_item(A) ::= column_name(B) AS column_alias(C).
 /************************************************ create index ********************************************************/
 cmd ::= CREATE SMA INDEX not_exists_opt(D)
   full_table_name(A) ON full_table_name(B) index_options(C).                      { pCxt->pRootNode = createCreateIndexStmt(pCxt, INDEX_TYPE_SMA, D, A, B, NULL, C); }
+cmd ::= CREATE INDEX not_exists_opt(D)
+  full_table_name(A) ON full_table_name(B) NK_LP col_name_list(C) NK_RP.          { pCxt->pRootNode = createCreateIndexStmt(pCxt, INDEX_TYPE_NORMAL, D, A, B, C, NULL); }
 cmd ::= DROP INDEX exists_opt(B) full_table_name(A).                              { pCxt->pRootNode = createDropIndexStmt(pCxt, B, A); }
 
 index_options(A) ::= FUNCTION NK_LP func_list(B) NK_RP INTERVAL