Github user jihoonson commented on a diff in the pull request:
https://github.com/apache/tajo/pull/653#discussion_r36604993
--- Diff:
tajo-catalog/tajo-catalog-server/src/main/java/org/apache/tajo/catalog/store/AbstractDBStore.java
---
@@ -2259,6 +2261,41 @@ public void addPartitions(String databaseName,
String tableName, List<CatalogPro
CatalogUtil.closeQuietly(pstmt4);
}
}
+ @Override
+ public List<TablePartitionKeysProto> getAllPartitionKeys() throws
CatalogException {
+ Connection conn = null;
+ Statement stmt = null;
+ ResultSet resultSet = null;
+
+ List<TablePartitionKeysProto> partitions = new
ArrayList<TablePartitionKeysProto>();
+
+ try {
+ String sql = " SELECT C." + COL_PARTITIONS_PK + ", C.COLUMN_NAME,
C.PARTITION_VALUE " +
+ " FROM " + TB_TABLES + " A " +
+ " JOIN " + TB_PARTTIONS + " B ON A." + COL_TABLES_PK + " = B." +
COL_TABLES_PK
--- End diff --
Since it is guaranteed that the tables corresponding to partitions always
exist, join looks not necessary.
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