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Merge pull request #936 from citusdata/fix_foreign_constraint_replication_factor_message 

Change error message we displayed for foreign constraints if RF > 1
pull/937/head
Burak Yücesoy 2016-11-01 15:57:46 +02:00 committed by GitHub
parent a4d5da4132 6246702a4c
commit 2cb2e7a352
2 changed files with 9 additions and 5 deletions
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11
src/backend/distributed/commands/create_distributed_table.c
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@ -563,10 +563,13 @@ ErrorIfNotSupportedForeignConstraint(Relation relation, char distributionMethod,
{
ereport(ERROR, (errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
errmsg("cannot create foreign key constraint"),
errdetail("Citus cannot create foreign key constrains"
" if replication factor is greater than 1. "
"Contact Citus Data for alternative "
"deployment options.")));
errdetail("Citus Community Edition currently supports foreign"
"key constraints only for "
"\"citus.shard_replication_factor = 1\"."),
errhint("Please change \"citus.shard_replication_factor to "
"1\". To learn more about using foreign keys with "
"other replication factors, please contact us at "
"https://citusdata.com/about/contact_us.")));
}
heapTuple = systable_getnext(scanDescriptor);

3
src/test/regress/expected/multi_foreign_key.out
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@ -63,7 +63,8 @@ DROP TABLE referencing_table;
CREATE TABLE referencing_table(id int, ref_id int, FOREIGN KEY(ref_id) REFERENCES referenced_table(id));
SELECT create_distributed_table('referencing_table', 'ref_id', 'hash');
ERROR: cannot create foreign key constraint
DETAIL: Citus cannot create foreign key constrains if replication factor is greater than 1. Contact Citus Data for alternative deployment options.
DETAIL: Citus Community Edition currently supports foreignkey constraints only for "citus.shard_replication_factor = 1".
HINT: Please change "citus.shard_replication_factor to 1". To learn more about using foreign keys with other replication factors, please contact us at https://citusdata.com/about/contact_us.
DROP TABLE referencing_table;
DROP TABLE referenced_table;
-- test foreign constraint with correct conditions