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[Flink] Fix Table Doesn't Exist Exception when Reading System Tables with Flink Generic Catalog #2428

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merged 1 commit into from
Nov 30, 2023
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[Flink] Fix Table Doesn't Exist Exception when Reading System Tables with Flink Generic Catalog #2428

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Fix Table Doesn't Exist Exception when Reading System Tables with Fli… 
…nk Generic Catalog.
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@zhuangchong
zhuangchong committed Nov 30, 2023
commit 744f8fe3078201fed27059d04ca82b5ba221e6fb
6 changes: 6 additions & 0 deletions ...-flink/paimon-flink-common/src/main/java/org/apache/paimon/flink/FlinkGenericCatalog.java
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Original file line number Diff line number Diff line change
Expand Up @@ -324,12 +324,18 @@ public void dropFunction(ObjectPath functionPath, boolean ignoreIfNotExists)
@Override
public CatalogTableStatistics getTableStatistics(ObjectPath tablePath)
throws TableNotExistException, CatalogException {
if (isPaimonTable(tablePath)) {
return paimon.getTableStatistics(tablePath);
}
return flink.getTableStatistics(tablePath);
}

@Override
public CatalogColumnStatistics getTableColumnStatistics(ObjectPath tablePath)
throws TableNotExistException, CatalogException {
if (isPaimonTable(tablePath)) {
return paimon.getTableColumnStatistics(tablePath);
}
return flink.getTableColumnStatistics(tablePath);
}

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20 changes: 20 additions & 0 deletions ...hive-connector-common/src/test/java/org/apache/paimon/hive/FlinkGenericCatalogITCase.java
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Expand Up @@ -117,4 +117,24 @@ public void testPaimonTableToBlackHole() {
sql("CREATE TABLE bh (f0 INT, f1 INT) WITH ('connector'='blackhole')");
sql("INSERT INTO bh SELECT * FROM paimon_t");
}

@Test
public void testReadPaimonSystemTable() {
sql(
"CREATE TABLE paimon_t (\n"
+ " user_id BIGINT,\n"
+ " item_id BIGINT,\n"
+ " behavior STRING,\n"
+ " dt STRING,\n"
+ " PRIMARY KEY (dt, user_id) NOT ENFORCED\n"
+ ") PARTITIONED BY (dt) "
+ " WITH ('connector'='paimon', 'file.format' = 'avro' )");
sql("INSERT INTO paimon_t VALUES (1, 2, 'click', '2023-11-01')");
sql("INSERT INTO paimon_t VALUES (2, 3, 'click', '2023-11-02')");

List<Row> result =
sql("SELECT snapshot_id, schema_id, commit_kind FROM paimon_t$snapshots");

assertThat(result).containsExactly(Row.of(1L, 0L, "APPEND"), Row.of(2L, 0L, "APPEND"));
}
}
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