Merge pull request #24769 from taosdata/enh/xsren/TD-28408/showViews

enh: like supported on show views

source/libs/parser/inc/sql.y

@@ -516,7 +516,7 @@ cmd ::= SHOW VNODES.
 // show alive
 cmd ::= SHOW db_name_cond_opt(A) ALIVE.                                           { pCxt->pRootNode = createShowAliveStmt(pCxt, A,    QUERY_NODE_SHOW_DB_ALIVE_STMT); }
 cmd ::= SHOW CLUSTER ALIVE.                                                       { pCxt->pRootNode = createShowAliveStmt(pCxt, NULL, QUERY_NODE_SHOW_CLUSTER_ALIVE_STMT); }
-cmd ::= SHOW db_name_cond_opt(A) VIEWS.                                           { pCxt->pRootNode = createShowStmtWithCond(pCxt, QUERY_NODE_SHOW_VIEWS_STMT, A, NULL, OP_TYPE_LIKE); }
+cmd ::= SHOW db_name_cond_opt(A) VIEWS like_pattern_opt(B).                       { pCxt->pRootNode = createShowStmtWithCond(pCxt, QUERY_NODE_SHOW_VIEWS_STMT, A, B, OP_TYPE_LIKE); }
 cmd ::= SHOW CREATE VIEW full_table_name(A).                                      { pCxt->pRootNode = createShowCreateViewStmt(pCxt, QUERY_NODE_SHOW_CREATE_VIEW_STMT, A); }
 cmd ::= SHOW COMPACTS.                                                            { pCxt->pRootNode = createShowCompactsStmt(pCxt, QUERY_NODE_SHOW_COMPACTS_STMT); }
 cmd ::= SHOW COMPACT NK_INTEGER(A).                                               { pCxt->pRootNode = createShowCompactDetailsStmt(pCxt, createValueNode(pCxt, TSDB_DATA_TYPE_BIGINT, &A)); }

source/libs/parser/src/parTranslater.c

@@ -9399,7 +9399,20 @@ static int32_t createOperatorNode(EOperatorType opType, const char* pColName, SN
 }
 
 static const char* getTbNameColName(ENodeType type) {
-  return (QUERY_NODE_SHOW_STABLES_STMT == type ? "stable_name" : "table_name");
+  const char* colName;
+  switch (type)
+  {
+  case QUERY_NODE_SHOW_VIEWS_STMT:
+    colName = "view_name";
+    break;
+  case QUERY_NODE_SHOW_STABLES_STMT:
+    colName = "stable_name";
+    break;
+  default:
+    colName = "table_name";
+    break;
+  }
+  return colName;
 }
 
 static int32_t createLogicCondNode(SNode* pCond1, SNode* pCond2, SNode** pCond, ELogicConditionType logicCondType) {

tests/script/tsim/parser/like.sim

@@ -51,6 +51,22 @@ if $rows != 1 then
   return -1
 endi
 
+$view1 = view1_name
+$view2 = view2_name
+
+sql CREATE VIEW $view1 as select * from $table1
+sql CREATE VIEW $view2 AS select * from $table2
+
+sql show views like 'view%'
+if $rows != 2 then
+  return -1
+endi
+
+sql show views like 'view1%'
+if $rows != 1 then
+  return -1
+endi
+
 system sh/exec.sh -n dnode1 -s stop -x SIGINT