From c9ac6b03e0ca84e516ec47dbdfcb962c903ce0b8 Mon Sep 17 00:00:00 2001
From: yihaoDeng <luomoxyz@126.com>
Date: Sun, 9 Aug 2020 14:23:08 +0000
Subject: [PATCH] set tag conditions limit

---
 src/inc/taosdef.h         | 1 +
 src/query/src/qExecutor.c | 2 +-
 src/tsdb/src/tsdbRead.c   | 4 ++--
 3 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/src/inc/taosdef.h b/src/inc/taosdef.h
index f8b9d0ee79..b4cecec8e4 100644
--- a/src/inc/taosdef.h
+++ b/src/inc/taosdef.h
@@ -242,6 +242,7 @@ void tsDataSwap(void *pLeft, void *pRight, int32_t type, int32_t size);
 #define TSDB_MAX_BYTES_PER_ROW    16384
 #define TSDB_MAX_TAGS_LEN         16384
 #define TSDB_MAX_TAGS             128
+#define TSDB_MAX_TAG_CONDITIONS   1024
 
 #define TSDB_AUTH_LEN             16
 #define TSDB_KEY_LEN              16
diff --git a/src/query/src/qExecutor.c b/src/query/src/qExecutor.c
index 34700a33f3..c208d61330 100644
--- a/src/query/src/qExecutor.c
+++ b/src/query/src/qExecutor.c
@@ -5547,7 +5547,7 @@ static int32_t buildAirthmeticExprFromMsg(SExprInfo *pArithExprInfo, SQueryTable
   qDebug("qmsg:%p create arithmetic expr from binary string: %s", pQueryMsg, pArithExprInfo->base.arg[0].argValue.pz);
 
   tExprNode* pExprNode = NULL;
-  TRY(TSDB_MAX_TAGS) {
+  TRY(TSDB_MAX_TAG_CONDITIONS) {
     pExprNode = exprTreeFromBinary(pArithExprInfo->base.arg[0].argValue.pz, pArithExprInfo->base.arg[0].argBytes);
   } CATCH( code ) {
     CLEANUP_EXECUTE();
diff --git a/src/tsdb/src/tsdbRead.c b/src/tsdb/src/tsdbRead.c
index 98153efe3e..fe32a0e1aa 100644
--- a/src/tsdb/src/tsdbRead.c
+++ b/src/tsdb/src/tsdbRead.c
@@ -2373,7 +2373,7 @@ int32_t tsdbQuerySTableByTagCond(TSDB_REPO_T* tsdb, uint64_t uid, TSKEY skey, co
   int32_t ret = TSDB_CODE_SUCCESS;
   tExprNode* expr = NULL;
 
-  TRY(TSDB_MAX_TAGS) {
+  TRY(TSDB_MAX_TAG_CONDITIONS) {
     expr = exprTreeFromTableName(tbnameCond);
     if (expr == NULL) {
       expr = exprTreeFromBinary(pTagCond, len);
@@ -2567,4 +2567,4 @@ static int tsdbCheckInfoCompar(const void* key1, const void* key2) {
     ASSERT(false);
     return 0;
   }
-}
\ No newline at end of file
+}
-- 
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