set cwft all member to nil

matrixorigin · Dec 25, 2023 · 1cf0256 · 1cf0256
1 parent 8b651e9
commit 1cf0256
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diff --git a/pkg/frontend/computation_wrapper.go b/pkg/frontend/computation_wrapper.go
@@ -109,6 +109,15 @@ func (cwft *TxnComputationWrapper) GetAst() tree.Statement {
 	return cwft.stmt
 }
 
+func (cwft *TxnComputationWrapper) FreeAst() {
+	// cwft.plan = nil
+	// cwft.proc = nil
+	// cwft.ses = nil
+	// cwft.compile = nil
+	// cwft.runResult = nil
+	// cwft.stmt = nil
+}
+
 func (cwft *TxnComputationWrapper) GetProcess() *process.Process {
 	return cwft.proc
 }

diff --git a/pkg/frontend/mysql_cmd_executor.go b/pkg/frontend/mysql_cmd_executor.go
@@ -3915,6 +3915,7 @@ func (mce *MysqlCmdExecutor) doComQuery(requestCtx context.Context, input *UserI
 				plans[i] = cwft.plan
 				stmts[i] = cwft.stmt
 			} else {
+				cwft.FreeAst()
 				return nil
 			}
 		}