blob: 405a1f68e6abd886ca1c7c71b0854fbd65d685fa (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
|
# 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.
module Gandiva
class ExpressionBuilder
def initialize(schema)
@schema = schema
end
def build
builder = yield(Record.new(@schema), Context.new)
node = builder.build
Expression.new(node,
Arrow::Field.new("result", node.return_type))
end
end
end
require "gandiva/expression-builder/add"
require "gandiva/expression-builder/context"
require "gandiva/expression-builder/divide"
require "gandiva/expression-builder/elsif"
require "gandiva/expression-builder/equal"
require "gandiva/expression-builder/field"
require "gandiva/expression-builder/greater-than"
require "gandiva/expression-builder/if"
require "gandiva/expression-builder/literal"
require "gandiva/expression-builder/less-than"
require "gandiva/expression-builder/multiply"
require "gandiva/expression-builder/record"
require "gandiva/expression-builder/subtract"
|
