fix: fix errors of join test case

include/util/taoserror.h

@@ -556,6 +556,7 @@ int32_t* taosGetErrno();
 #define TSDB_CODE_PAR_INVALID_SMA_INDEX         TAOS_DEF_ERROR_CODE(0, 0x2660)
 #define TSDB_CODE_PAR_INVALID_SELECTED_EXPR     TAOS_DEF_ERROR_CODE(0, 0x2661)
 #define TSDB_CODE_PAR_GET_META_ERROR            TAOS_DEF_ERROR_CODE(0, 0x2662)
+#define TSDB_CODE_PAR_NOT_UNIQUE_TABLE_ALIAS    TAOS_DEF_ERROR_CODE(0, 0x2663)
 #define TSDB_CODE_PAR_INTERNAL_ERROR            TAOS_DEF_ERROR_CODE(0, 0x26FF)
 
 //planner

source/libs/parser/src/parTranslater.c

@@ -61,16 +61,42 @@ static bool beforeHaving(ESqlClause clause) { return clause < SQL_CLAUSE_HAVING;
 
 static bool afterHaving(ESqlClause clause) { return clause > SQL_CLAUSE_HAVING; }
 
+static bool hasSameTableAlias(SArray* pTables) {
+  if (taosArrayGetSize(pTables) < 2) {
+    return false;
+  }
+  STableNode* pTable0 = taosArrayGetP(pTables, 0);
+  for (int32_t i = 1; i < taosArrayGetSize(pTables); ++i) {
+    STableNode* pTable = taosArrayGetP(pTables, i);
+    if (0 == strcmp(pTable0->tableAlias, pTable->tableAlias)) {
+      return true;
+    }
+  }
+  return false;
+}
+
 static int32_t addNamespace(STranslateContext* pCxt, void* pTable) {
   size_t currTotalLevel = taosArrayGetSize(pCxt->pNsLevel);
   if (currTotalLevel > pCxt->currLevel) {
     SArray* pTables = taosArrayGetP(pCxt->pNsLevel, pCxt->currLevel);
     taosArrayPush(pTables, &pTable);
+    if (hasSameTableAlias(pTables)) {
+      return generateSyntaxErrMsgExt(&pCxt->msgBuf,
+                              TSDB_CODE_PAR_NOT_UNIQUE_TABLE_ALIAS,
+                              "Not unique table/alias: '%s'",
+                              ((STableNode*)pTable)->tableAlias);
+    }
   } else {
     do {
       SArray* pTables = taosArrayInit(TARRAY_MIN_SIZE, POINTER_BYTES);
       if (pCxt->currLevel == currTotalLevel) {
         taosArrayPush(pTables, &pTable);
+        if (hasSameTableAlias(pTables)) {
+          return generateSyntaxErrMsgExt(&pCxt->msgBuf,
+                                  TSDB_CODE_PAR_NOT_UNIQUE_TABLE_ALIAS,
+                                  "Not unique table/alias: '%s'",
+                                  ((STableNode*)pTable)->tableAlias);
+        }
       }
       taosArrayPush(pCxt->pNsLevel, &pTables);
       ++currTotalLevel;

source/util/src/terror.c

@@ -560,6 +560,7 @@ TAOS_DEFINE_ERROR(TSDB_CODE_PAR_ONLY_SUPPORT_SINGLE_TABLE,  "Only support single
 TAOS_DEFINE_ERROR(TSDB_CODE_PAR_INVALID_SMA_INDEX,          "Invalid sma index")
 TAOS_DEFINE_ERROR(TSDB_CODE_PAR_INVALID_SELECTED_EXPR,      "Invalid SELECTed expression")
 TAOS_DEFINE_ERROR(TSDB_CODE_PAR_GET_META_ERROR,             "Fail to get table info")
+TAOS_DEFINE_ERROR(TSDB_CODE_PAR_NOT_UNIQUE_TABLE_ALIAS,     "Not unique table/alias")
 TAOS_DEFINE_ERROR(TSDB_CODE_PAR_INTERNAL_ERROR,             "Parser internal error")
 
 //planner

tests/script/jenkins/basic.txt

@@ -133,7 +133,7 @@
 ./test.sh -f tsim/parser/join_manyblocks.sim
 # TD-18018 ./test.sh -f tsim/parser/join_multitables.sim
 ./test.sh -f tsim/parser/join_multivnode.sim
-# TD-17707 ./test.sh -f tsim/parser/join.sim
+./test.sh -f tsim/parser/join.sim
 ./test.sh -f tsim/parser/last_cache.sim
 ./test.sh -f tsim/parser/last_groupby.sim
 ./test.sh -f tsim/parser/lastrow.sim

tests/script/tsim/parser/join.sim

@@ -320,7 +320,7 @@ sql_error select count(join_tb1.c3), last(join_tb1.c3) from $tb1 , $tb2 where jo
 sql_error select count(join_tb3.*) from $tb1 , $tb2 where join_tb1.ts = join_tb0.ts and join_tb1.ts <= 100002 and join_tb0.c7 = true;
 sql_error select first(join_tb1.*) from $tb1 , $tb2 where join_tb1.ts = join_tb0.ts and join_tb1.ts <= 100002 or join_tb0.c7 = true;
 sql_error select join_tb3.* from $tb1 , $tb2 where join_tb1.ts = join_tb0.ts and join_tb1.ts <= 100002 and join_tb0.c7 = true;
-sql_error select join_tb1.* from $tb1 , $tb2 where join_tb1.ts = join_tb0.ts and join_tb1.ts = join_tb0.c1;
+sql select join_tb1.* from $tb1 , $tb2 where join_tb1.ts = join_tb0.ts and join_tb1.ts = join_tb0.c1;
 sql_error select join_tb1.* from $tb1 , $tb2 where join_tb1.ts = join_tb0.c1;
 sql_error select join_tb1.* from $tb1 , $tb2 where join_tb1.c7 = join_tb0.c1;
 sql_error select join_tb1.* from $tb1 , $tb2 where join_tb1.ts > join_tb0.ts;
@@ -407,32 +407,32 @@ if $data00 != 396.000000000 then
 endi
 
 # first/last
-sql select count(join_mt0.c1), sum(join_mt1.c2), first(join_mt0.c5), last(join_mt1.c7) from join_mt0, join_mt1 where join_mt0.t1=join_mt1.t1 and join_mt0.ts=join_mt1.ts and join_mt0.t1=1 interval(10a) order by join_mt0.ts asc;
+sql select count(join_mt0.c1), sum(join_mt1.c2), first(join_mt0.c5), last(join_mt1.c7) from join_mt0, join_mt1 where join_mt0.t1=join_mt1.t1 and join_mt0.ts=join_mt1.ts and join_mt0.t1=1 interval(10a) order by _wstart asc;
 
 $val = 100
 if $rows != $val then
    print $rows
    return -1
 endi
-
+print $data00 $data01 $data02
 $val = 10
-if $data01 != $val then
+if $data00 != $val then
    return -1
 endi
 
 $val = 45.000000000
-print $data02
+print $data01
-if $data02 != $val then
+if $data01 != $val then
    return -1
 endi
 
 $val = 0
-if $data03 != 0 then
+if $data02 != 0 then
    return -1
 endi
 
 # order by first/last
-sql select count(join_mt0.c1), sum(join_mt1.c2), first(join_mt0.c5), last(join_mt1.c7) from join_mt0, join_mt1 where join_mt0.t1=join_mt1.t1 and join_mt0.ts=join_mt1.ts and join_mt0.t1=1 interval(10a) order by join_mt0.ts desc;
+sql select count(join_mt0.c1), sum(join_mt1.c2), first(join_mt0.c5), last(join_mt1.c7) from join_mt0, join_mt1 where join_mt0.t1=join_mt1.t1 and join_mt0.ts=join_mt1.ts and join_mt0.t1=1 interval(10a) order by _wstart desc;
 
 $val = 100
 if $rows != $val then
@@ -453,13 +453,13 @@ print =================>"group by not supported"
 
 #======================limit offset===================================
 # tag values not int
-sql_error select count(*) from join_mt0, join_mt1 where join_mt0.ts=join_mt1.ts and join_mt0.t2=join_mt1.t2;
+sql select count(*) from join_mt0, join_mt1 where join_mt0.ts=join_mt1.ts and join_mt0.t2=join_mt1.t2;
 
 # tag type not identical
-sql_error select count(*) from join_mt0, join_mt1 where join_mt1.t2 = join_mt0.t1 and join_mt1.ts=join_mt0.ts;
+sql select count(*) from join_mt0, join_mt1 where join_mt1.t2 = join_mt0.t1 and join_mt1.ts=join_mt0.ts;
 
 # table/super table join
-sql_error select count(join_mt0.c1) from join_mt0, join_tb1 where join_mt0.ts=join_tb1.ts
+sql select count(join_mt0.c1) from join_mt0, join_tb1 where join_mt0.ts=join_tb1.ts
 
 # multi-condition
 
@@ -471,7 +471,7 @@ sql_error select count(join_mt0.c1), count(join_mt0.c2) from join_mt0, join_mt0
 sql_error select sum(join_mt1.c2) from join_mt0, join_mt1 where join_mt0.t1=join_mt1.t1;
 
 # missing tag equals
-sql_error select count(join_mt1.c3) from join_mt0, join_mt1 where join_mt0.ts=join_mt1.ts;
+sql select count(join_mt1.c3) from join_mt0, join_mt1 where join_mt0.ts=join_mt1.ts;
 
 # tag values are identical error
 sql create table m1(ts timestamp, k int) tags(a int);
@@ -486,7 +486,7 @@ sql insert into tm2 using m1 tags(1) values(1000000, 1)(2000000, 2);
 sql insert into um1 using m2 tags(1) values(1000001, 10)(2000000, 20);
 sql insert into um2 using m2 tags(9) values(1000001, 10)(2000000, 20);
 
-sql_error select count(*) from m1,m2 where m1.a=m2.a and m1.ts=m2.ts;
+sql select count(*) from m1,m2 where m1.a=m2.a and m1.ts=m2.ts;
 
 print ====> empty table/empty super-table join test, add for no result join test
 sql create database ux1;