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https://issues.apache.org/jira/browse/BEAM-8508?focusedWorklogId=336950&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-336950
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ASF GitHub Bot logged work on BEAM-8508:
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Author: ASF GitHub Bot
Created on: 31/Oct/19 17:46
Start Date: 31/Oct/19 17:46
Worklog Time Spent: 10m
Work Description: apilloud commented on pull request #9943: [BEAM-8508]
[SQL] Standalone filter push down
URL: https://github.com/apache/beam/pull/9943#discussion_r341280735
##########
File path:
sdks/java/extensions/sql/src/main/java/org/apache/beam/sdk/extensions/sql/impl/rule/BeamIOPushDownRule.java
##########
@@ -123,7 +129,12 @@ public void onMatch(RelOptRuleCall call) {
// 1. Calc only does projects and renames.
// And
// 2. Predicate can be completely pushed-down to IO level.
- if (isProjectRenameOnlyProgram(program) &&
tableFilter.getNotSupported().isEmpty()) {
+ // And
+ // 3. And IO supports project push-down OR all fields are projected by a
Calc.
+ if (isProjectRenameOnlyProgram(program)
+ && tableFilter.getNotSupported().isEmpty()
+ && (beamSqlTable.supportsProjects()
+ || calc.getRowType().getFieldCount() ==
calcInputRowType.getFieldCount())) {
Review comment:
I think this needs to verify the order as well as the count.
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Issue Time Tracking
-------------------
Worklog Id: (was: 336950)
Time Spent: 1h 20m (was: 1h 10m)
> [SQL] Support predicate push-down without project push-down
> -----------------------------------------------------------
>
> Key: BEAM-8508
> URL: https://issues.apache.org/jira/browse/BEAM-8508
> Project: Beam
> Issue Type: Improvement
> Components: dsl-sql
> Reporter: Kirill Kozlov
> Assignee: Kirill Kozlov
> Priority: Major
> Time Spent: 1h 20m
> Remaining Estimate: 0h
>
> In this PR: [https://github.com/apache/beam/pull/9863]
> Support for Predicate push-down is added, but only for IOs that support
> project push-down.
> In order to accomplish that some checks need to be added to not perform
> certain Calc and IO manipulations when only filter push-down is needed.
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