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Krisztian Kasa edited comment on HIVE-27533 at 11/7/23 12:26 PM: ----------------------------------------------------------------- [~soumyakanti.das] Could you please add all repro steps to the description: create table statement and the show create table statement etc. was (Author: kkasa): [~soumyakanti.das] Could you please add the full repro steps to the description: create table statement and the show create table statement. > Incorrect FOREIGN KEY constraints in SHOW CREATE TABLE > ------------------------------------------------------ > > Key: HIVE-27533 > URL: https://issues.apache.org/jira/browse/HIVE-27533 > Project: Hive > Issue Type: Bug > Components: Hive > Reporter: Soumyakanti Das > Assignee: Soumyakanti Das > Priority: Major > Labels: pull-request-available > > For a table that has a composite foreign key, SHOW CREATE TABLE returns > multiple ALTER STATEMENTS, which is incorrect. > For example, for tpcds table {{{}catalog_returns{}}}, we see: > {code:java} > | ALTER TABLE tpcds_orc_def.catalog_returns ADD CONSTRAINT > 3abe2c00-25ec-47ca-a5f9-38773995e8c1 FOREIGN KEY (cr_item_sk) REFERENCES > tpcds_orc_def.catalog_sales(cs_item_sk) DISABLE NOVALIDATE RELY; | > | ALTER TABLE tpcds_orc_def.catalog_returns ADD CONSTRAINT > 3abe2c00-25ec-47ca-a5f9-38773995e8c1 FOREIGN KEY (cr_order_number) REFERENCES > tpcds_orc_def.catalog_sales(cs_order_number) DISABLE NOVALIDATE RELY; | {code} > Here we see two ALTER STATEMENTS with the same name, which reference primary > keys of table {{{}catalog_sales{}}}. However, this is incorrect as a FK > constraint cannot be on a subset of a composite PK. -- This message was sent by Atlassian Jira (v8.20.10#820010)