KurtYoung commented on a change in pull request #10224:
[FLINK-14716][table-planner-blink] Cooperate computed column with push down
rules
URL: https://github.com/apache/flink/pull/10224#discussion_r347076833
##########
File path:
flink-table/flink-table-planner-blink/src/main/java/org/apache/flink/table/planner/plan/FlinkCalciteCatalogReader.java
##########
@@ -62,17 +83,197 @@ public FlinkCalciteCatalogReader(
if (originRelOptTable == null) {
return null;
} else {
- // Wrap FlinkTable as FlinkRelOptTable to use in query
optimization.
- FlinkTable table =
originRelOptTable.unwrap(FlinkTable.class);
+ // Wrap as linkPreparingTableBase to use in query
optimization.
+ CatalogSchemaTable table =
originRelOptTable.unwrap(CatalogSchemaTable.class);
if (table != null) {
- return FlinkRelOptTable.create(
- originRelOptTable.getRelOptSchema(),
- originRelOptTable.getRowType(),
+ return
toPreparingTable(originRelOptTable.getRelOptSchema(),
originRelOptTable.getQualifiedName(),
+ originRelOptTable.getRowType(),
table);
} else {
return originRelOptTable;
}
}
}
+
+ /**
+ * Translate this {@link CatalogSchemaTable} into Flink source table.
+ */
+ public static FlinkPreparingTableBase toPreparingTable(RelOptSchema
relOptSchema,
+ List<String> names,
+ RelDataType rowType,
+ CatalogSchemaTable table) {
+ if (table.isTemporary()) {
+ return convertTemporaryTable(relOptSchema,
+ names,
+ rowType,
+ table.getObjectIdentifier(),
+ table.getCatalogTable(),
+ table.getStatistic(),
+ table.isStreamingMode());
+ } else {
+ return convertPermanentTable(relOptSchema,
+ names,
+ rowType,
+ table.getObjectIdentifier(),
+ table.getCatalogTable(),
+ table.getStatistic(),
+
table.getCatalog().getTableFactory().orElse(null),
+ table.isStreamingMode());
+ }
+ }
+
+ private static FlinkPreparingTableBase convertPermanentTable(
+ RelOptSchema relOptSchema,
+ List<String> names,
+ RelDataType rowType,
+ ObjectIdentifier objectIdentifier,
+ CatalogBaseTable table,
+ FlinkStatistic statistic,
+ @Nullable TableFactory tableFactory,
+ boolean isStreamingMode) {
+ if (table instanceof QueryOperationCatalogView) {
Review comment:
Is this possible? I was assuming the query operation can't be serialized and
thus can't be permanent table.
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