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  1. Spark
  2. SPARK-33507 Improve and fix cache behavior in v1 and v2
  3. SPARK-34213

LOAD DATA doesn't refresh v1 table cache

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Details

    • Sub-task
    • Status: Resolved
    • Major
    • Resolution: Fixed
    • 3.0.2, 3.1.1, 3.2.0
    • 3.0.2, 3.1.1
    • SQL

    Description

      The example below portraits the issue:
      1. Create a source table:

      spark-sql> CREATE TABLE src_tbl (c0 int, part int) USING hive PARTITIONED BY (part);
spark-sql> INSERT INTO src_tbl PARTITION (part=0) SELECT 0;
spark-sql> SHOW TABLE EXTENDED LIKE 'src_tbl' PARTITION (part=0);
default	src_tbl	false	Partition Values: [part=0]
Location: file:/Users/maximgekk/proj/load-data-refresh-cache/spark-warehouse/src_tbl/part=0
...

      2. Load data from the source table to a cached destination table:

      spark-sql> CREATE TABLE dst_tbl (c0 int, part int) USING hive PARTITIONED BY (part);
spark-sql> INSERT INTO dst_tbl PARTITION (part=1) SELECT 1;
spark-sql> CACHE TABLE dst_tbl;
spark-sql> SELECT * FROM dst_tbl;
1	1
spark-sql> LOAD DATA LOCAL INPATH '/Users/maximgekk/proj/load-data-refresh-cache/spark-warehouse/src_tbl/part=0' INTO TABLE dst_tbl PARTITION (part=0);
spark-sql> SELECT * FROM dst_tbl;
1	1

      The last query does not show recently loaded data from the source table.

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            maxgekk Max Gekk
            maxgekk Max Gekk
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              Created:
              Updated:
              Resolved: