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Error out if contains fkey and no cascade

support-partitioning-for-citus-local-tables
Ahmet Gedemenli 2021-08-24 14:44:56 +03:00
parent 3a02999ffe
commit 6f7b5e18c4
1 changed files with 18 additions and 0 deletions
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18
src/backend/distributed/commands/citus_add_local_table_to_metadata.c
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@ -267,6 +267,24 @@ CreateCitusLocalTable(Oid relationId, bool cascadeViaForeignKeys)
*/ */
return; return;
} }
else if (tableHasExternalForeignKeys)
{
/*
* We do not allow creating citus local table if the table is involved in a
* foreign key relationship with "any other table". Note that we allow self
* references.
*/
char *qualifiedRelationName = generate_qualified_relation_name(relationId);
ereport(ERROR, (errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
errmsg("relation %s is involved in a foreign key "
"relationship with another table", qualifiedRelationName),
errhint("Use cascade_via_foreign_keys option to add "
"all the relations involved in a foreign key "
"relationship with %s to citus metadata by "
"executing SELECT citus_add_local_table_to_metadata($$%s$$, "
"cascade_via_foreign_keys=>true)",
qualifiedRelationName, qualifiedRelationName)));
}
ObjectAddress tableAddress = { 0 }; ObjectAddress tableAddress = { 0 };
ObjectAddressSet(tableAddress, RelationRelationId, relationId); ObjectAddressSet(tableAddress, RelationRelationId, relationId);