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https://issues.apache.org/jira/browse/FLINK-18495?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17151906#comment-17151906
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Jingsong Lee commented on FLINK-18495:
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Very glad you can take it. Which format you want to start?
> flink filterpushdown can not take effect in blink planner
> ---------------------------------------------------------
>
> Key: FLINK-18495
> URL: https://issues.apache.org/jira/browse/FLINK-18495
> Project: Flink
> Issue Type: Bug
> Components: Table SQL / Planner
> Affects Versions: 1.10.0, 1.11.0
> Reporter: jackylau
> Priority: Major
> Fix For: 1.12.0
>
>
> When i use the filterpushdown , i found the FilterPushDown only take effects
> in orc/parquet/testFilter when using *flink planner.*
> Because the call applyPredicate(List<Expression> predicates) predicates
> 1) *PlannerExpressin* flink planner the PushFilterIntoTableSourceScanRule
> RexProgramExtractor.visitCall return PlannerExpression
> 2) *CallExpression* blink planner , *can not match current And Or EqualTo
> and so on*, which it PlannerExpresion the PushFilterIntoTableSourceScanRule
> RexNodeExtractor.visitCall return ResolvedExpression
>
>
>
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