[core] Fix paimon_incremental_query with limit push down #7269
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added 5 commits
February 11, 2026 20:45
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Purpose/Problem
paimon_incremental_query by tag with LIMIT throws:
java.lang.ClassCastException: org.apache.paimon.table.source.IncrementalSplit cannot be cast to org.apache.paimon.table.source.DataSplitThe detailed message from the user side is as following:
Caused by: java.lang.ClassCastException: class org.apache.paimon.table.source.IncrementalSplit cannot be cast to class org.apache.paimon.table.source.DataSplit (org.apache.paimon.table.source.IncrementalSplit and org.apache.paimon.table.source.DataSplit are in unnamed module of loader 'app') at org.apache.paimon.table.source.DataTableBatchScan.applyPushDownLimit(DataTableBatchScan.java:147) at org.apache.paimon.table.source.DataTableBatchScan.planWithoutAuth(DataTableBatchScan.java:106) at org.apache.paimon.table.source.AbstractDataTableScan.plan(AbstractDataTableScan.java:104) at org.apache.paimon.spark.PaimonBaseScan.inputSplits(PaimonBaseScan.scala:50) at org.apache.paimon.spark.PaimonBaseScan.inputPartitions(PaimonBaseScan.scala:61) at org.apache.paimon.spark.scan.BaseScan.toBatch(BaseScan.scala:129) at org.apache.paimon.spark.scan.BaseScan.toBatch$(BaseScan.scala:126) at org.apache.paimon.spark.PaimonBaseScan.toBatch(PaimonBaseScan.scala:68) at org.apache.spark.sql.execution.datasources.v2.BatchScanExec.batch$lzycompute(BatchScanExec.scala:45) at org.apache.spark.sql.execution.datasources.v2.BatchScanExec.batch(BatchScanExec.scala:45) at org.apache.spark.sql.execution.datasources.v2.BatchScanExec.inputPartitions$lzycompute(BatchScanExec.scala:59) at org.apache.spark.sql.execution.datasources.v2.BatchScanExec.inputPartitions(BatchScanExec.scala:59)Tests
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