From 8d11d1efac897b1f424dfe7788a73d841ac13daa Mon Sep 17 00:00:00 2001
From: shenglian zhou <shenglian_zhou@163.com>
Date: Thu, 9 Sep 2021 09:11:01 +0800
Subject: [PATCH] regexp:add maxRegexStringLen configuration option

---
 src/common/src/tglobal.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/common/src/tglobal.c b/src/common/src/tglobal.c
index 6e73227233..85713a3815 100644
--- a/src/common/src/tglobal.c
+++ b/src/common/src/tglobal.c
@@ -1036,6 +1036,16 @@ static void doInitGlobalConfig(void) {
   cfg.unitType = TAOS_CFG_UTYPE_BYTE;
   taosInitConfigOption(cfg);
 
+  cfg.option = "maxRegexStringLen";
+  cfg.ptr = &tsMaxRegexStringLen;
+  cfg.valType = TAOS_CFG_VTYPE_INT32;
+  cfg.cfgType = TSDB_CFG_CTYPE_B_CONFIG | TSDB_CFG_CTYPE_B_CLIENT | TSDB_CFG_CTYPE_B_SHOW;
+  cfg.minValue = 0;
+  cfg.maxValue = TSDB_MAX_FIELD_LEN;
+  cfg.ptrLength = 0;
+  cfg.unitType = TAOS_CFG_UTYPE_BYTE;
+  taosInitConfigOption(cfg);
+
   cfg.option = "maxNumOfOrderedRes";
   cfg.ptr = &tsMaxNumOfOrderedResults;
   cfg.valType = TAOS_CFG_VTYPE_INT32;