baidu palo

be/src/exprs/conditional_functions.cpp

@@ -0,0 +1,54 @@
+// Modifications copyright (C) 2017, Baidu.com, Inc.
+// Copyright 2017 The Apache Software Foundation
+
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
+
+#include "exprs/conditional_functions.h"
+
+#include "exprs/expr.h"
+#include "exprs/anyval_util.h"
+#include "exprs/case_expr.h"
+#include "runtime/tuple_row.h"
+#include "udf/udf.h"
+
+using llvm::Function;
+
+namespace palo {
+
+#define CONDITIONAL_CODEGEN_FN(expr_class) \
+    Status expr_class::get_codegend_compute_fn(RuntimeState* state, llvm::Function** fn) { \
+        return get_codegend_compute_fn_wrapper(state, fn); \
+    }
+
+CONDITIONAL_CODEGEN_FN(IfNullExpr);
+CONDITIONAL_CODEGEN_FN(NullIfExpr);
+CONDITIONAL_CODEGEN_FN(IfExpr);
+CONDITIONAL_CODEGEN_FN(CoalesceExpr);
+
+#define CTOR_DCTOR_FUN(expr_class) \
+    expr_class::expr_class(const TExprNode& node) : Expr(node) { \
+    };\
+    \
+    expr_class::~expr_class() { \
+    };\
+
+CTOR_DCTOR_FUN(IfNullExpr);
+CTOR_DCTOR_FUN(NullIfExpr);
+CTOR_DCTOR_FUN(IfExpr);
+CTOR_DCTOR_FUN(CoalesceExpr);
+}