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[FLINK-4068] [table] Move constant computations out of code-generated
This closes apache#2560.
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102 changes: 102 additions & 0 deletions
102
...ies/flink-table/src/test/scala/org/apache/flink/api/table/BatchTableEnvironmentTest.scala
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| /* | ||
| * 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. | ||
| */ | ||
| package org.apache.flink.api.table | ||
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| import org.apache.flink.api.scala.ExecutionEnvironment | ||
| import org.apache.flink.api.scala.table._ | ||
| import org.apache.flink.api.scala.util.CollectionDataSets | ||
| import org.junit.Assert._ | ||
| import org.junit.Test | ||
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| class BatchTableEnvironmentTest { | ||
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| @Test | ||
| def testReduceExpressionForSQL(): Unit = { | ||
| val env = ExecutionEnvironment.getExecutionEnvironment | ||
| val tEnv = TableEnvironment.getTableEnvironment(env) | ||
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| val sqlQuery = "SELECT " + | ||
| "(3+4)+a, " + | ||
| "b+(1+2), " + | ||
| "CASE 11 WHEN 1 THEN 'a' ELSE 'b' END, " + | ||
| "TRIM(BOTH ' STRING '), " + | ||
| "'test' || 'string', " + | ||
| "NULLIF(1, 1), " + | ||
| "TIMESTAMP '1990-10-14 23:00:00.123' + INTERVAL '10 00:00:01' DAY TO SECOND, " + | ||
| "EXTRACT(DAY FROM INTERVAL '19 12:10:10.123' DAY TO SECOND(3)), " + | ||
| "1 IS NULL, " + | ||
| "'TEST' LIKE '%EST', " + | ||
| "FLOOR(2.5), " + | ||
| "'TEST' IN ('west', 'TEST', 'rest') " + | ||
| "FROM MyTable WHERE a>(1+7)" | ||
| val ds = CollectionDataSets.get3TupleDataSet(env).toTable(tEnv).as('a, 'b, 'c) | ||
| tEnv.registerTable("MyTable", ds) | ||
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| val table = tEnv.sql(sqlQuery) | ||
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| val optimized = tEnv.optimize(table.getRelNode) | ||
| val optimizedString = optimized.toString | ||
| assertTrue(optimizedString.contains(">(_1, 8)")) | ||
| assertTrue(optimizedString.contains("+(7, _1) AS EXPR$0")) | ||
| assertTrue(optimizedString.contains("+(_2, 3) AS EXPR$1")) | ||
| assertTrue(optimizedString.contains("'b' AS EXPR$2")) | ||
| assertTrue(optimizedString.contains("'STRING' AS EXPR$3")) | ||
| assertTrue(optimizedString.contains("'teststring' AS EXPR$4")) | ||
| assertTrue(optimizedString.contains("null AS EXPR$5")) | ||
| assertTrue(optimizedString.contains("1990-10-24 23:00:01 AS EXPR$6")) | ||
| assertTrue(optimizedString.contains("19 AS EXPR$7")) | ||
| assertTrue(optimizedString.contains("false AS EXPR$8")) | ||
| assertTrue(optimizedString.contains("true AS EXPR$9")) | ||
| assertTrue(optimizedString.contains("2 AS EXPR$10")) | ||
| assertTrue(optimizedString.contains("true AS EXPR$11")) | ||
| } | ||
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| @Test | ||
| def testReduceExpressionForTableAPI(): Unit = { | ||
| val env = ExecutionEnvironment.getExecutionEnvironment | ||
| val tEnv = TableEnvironment.getTableEnvironment(env) | ||
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| val ds = CollectionDataSets.get3TupleDataSet(env).toTable(tEnv).as('a, 'b, 'c) | ||
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| val table = ds | ||
| .where('a > (1+7)) | ||
| .select((3+4).toExpr + 6, | ||
| (11 === 1) ? ("a", "b"), | ||
| " STRING ".trim, | ||
| "test" + "string", | ||
| "1990-10-14 23:00:00.123".toTimestamp + 10.day + 1.second, | ||
| 1.isNull, | ||
| "TEST".like("%EST"), | ||
| 2.5.toExpr.floor()) | ||
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| val optimized = tEnv.optimize(table.getRelNode) | ||
| val optimizedString = optimized.toString | ||
| assertTrue(optimizedString.contains(">(_1, 8)")) | ||
| assertTrue(optimizedString.contains("13 AS _c0")) | ||
| assertTrue(optimizedString.contains("'b' AS _c1")) | ||
| assertTrue(optimizedString.contains("'STRING' AS _c2")) | ||
| assertTrue(optimizedString.contains("'teststring' AS _c3")) | ||
| assertTrue(optimizedString.contains("1990-10-24 23:00:01 AS _c4")) | ||
| assertTrue(optimizedString.contains("false AS _c5")) | ||
| assertTrue(optimizedString.contains("true AS _c6")) | ||
| assertTrue(optimizedString.contains("2E0 AS _c7")) | ||
| } | ||
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| } |
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