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Posted to issues@flink.apache.org by Xpray <gi...@git.apache.org> on 2017/10/16 08:27:08 UTC

[GitHub] flink pull request #4829: [FLINK-7759][TableAPI & SQL] Fix Bug that fieldNam...

GitHub user Xpray opened a pull request:

    https://github.com/apache/flink/pull/4829

    [FLINK-7759][TableAPI & SQL] Fix Bug that fieldName with Boolean pref…

    Fix Bug that fieldName with Boolean prefix can't be parsed by ExpressionParser
    
    ## What is the purpose of the change
    
    Fix bug that field names with boolean prefix like "truex" or "FALSE_TARGET" can't be parsed by {{ExpressionParser}}
    
    
    ## Brief change log
    
    use `||| ` instead of ` | ` in `atom` parser, try to match as long as possible, and exchanging of positions of `fieldReference` parser and ` literalExpr ` parser is necessary, because `boolean` can be matched by both parsers, then it's captured by the latter one ` literalExpr ` .
    
    
    ## Verifying this change
    
    This change added tests and can be verified as follows:
    
    StringExpressionTest.testFieldWithBooleanPrefix
    
    ## Does this pull request potentially affect one of the following parts:
    
      - Dependencies (does it add or upgrade a dependency): no
      - The public API, i.e., is any changed class annotated with `@Public(Evolving)`: no
      - The serializers: no
      - The runtime per-record code paths (performance sensitive):no
      - Anything that affects deployment or recovery: JobManager (and its components), Checkpointing, Yarn/Mesos, ZooKeeper: no
    
    ## Documentation
    
      - Does this pull request introduce a new feature? no
      - If yes, how is the feature documented? not documented
    


You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/Xpray/flink FLINK-7759

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/flink/pull/4829.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #4829
    
----
commit 4cdfd18148a1a4e97e078bee6ccf4ba8c20c8034
Author: Xpray <le...@gmail.com>
Date:   2017-10-16T08:13:26Z

    [FLINK-7759][TableAPI & SQL] Fix Bug that fieldName with Boolean prefix can't be parsed by ExpressionParser.

----


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[GitHub] flink pull request #4829: [FLINK-7759][TableAPI & SQL] Fix Bug that fieldNam...

Posted by asfgit <gi...@git.apache.org>.
Github user asfgit closed the pull request at:

    https://github.com/apache/flink/pull/4829


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[GitHub] flink pull request #4829: [FLINK-7759][TableAPI & SQL] Fix Bug that fieldNam...

Posted by fhueske <gi...@git.apache.org>.
Github user fhueske commented on a diff in the pull request:

    https://github.com/apache/flink/pull/4829#discussion_r145653182
  
    --- Diff: flink-libraries/flink-table/src/test/scala/org/apache/flink/table/api/batch/table/stringexpr/StringExpressionTest.scala ---
    @@ -0,0 +1,51 @@
    +/*
    + * 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.table.api.batch.table.stringexpr
    +
    +import org.apache.flink.table.expressions.{ExpressionParser, Literal, UnresolvedFieldReference}
    +import org.junit.{Assert, Test}
    +
    +class StringExpressionTest {
    --- End diff --
    
    I've converted the test into an expression test (extending `ExpressionTestBase`) and moved it to `org.apache.flink.table.expressions`.


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[GitHub] flink issue #4829: [FLINK-7759][TableAPI & SQL] Fix Bug that fieldName with ...

Posted by fhueske <gi...@git.apache.org>.
Github user fhueske commented on the issue:

    https://github.com/apache/flink/pull/4829
  
    Thanks for the PR @Xpray.
    This looks good. Will merge it.


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[GitHub] flink pull request #4829: [FLINK-7759][TableAPI & SQL] Fix Bug that fieldNam...

Posted by Xpray <gi...@git.apache.org>.
Github user Xpray commented on a diff in the pull request:

    https://github.com/apache/flink/pull/4829#discussion_r145659580
  
    --- Diff: flink-libraries/flink-table/src/test/scala/org/apache/flink/table/api/batch/table/stringexpr/StringExpressionTest.scala ---
    @@ -0,0 +1,51 @@
    +/*
    + * 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.table.api.batch.table.stringexpr
    +
    +import org.apache.flink.table.expressions.{ExpressionParser, Literal, UnresolvedFieldReference}
    +import org.junit.{Assert, Test}
    +
    +class StringExpressionTest {
    --- End diff --
    
    That's great, I should have done this.


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