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Commit9e6104c

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Prohibit transition tables on views and foreign tables.
Thomas Munro, per off-list report from Prabhat Sabu. Changesto the message wording for consistency with the existingrelkind check for partitioned tables by me.Discussion:http://postgr.es/m/CAEepm=2xJFFpGM+N=gpWx-9Nft2q1oaFZX07_y23AHCrJQLt0g@mail.gmail.com
1 parent29fd3d9 commit9e6104c

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5 files changed

+57
-0
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5 files changed

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‎src/backend/commands/trigger.c

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Original file line numberDiff line numberDiff line change
@@ -361,6 +361,20 @@ CreateTrigger(CreateTrigStmt *stmt, const char *queryString,
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RelationGetRelationName(rel)),
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errdetail("Triggers on partitioned tables cannot have transition tables.")));
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if (rel->rd_rel->relkind==RELKIND_FOREIGN_TABLE)
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ereport(ERROR,
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(errcode(ERRCODE_WRONG_OBJECT_TYPE),
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errmsg("\"%s\" is a foreign table",
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RelationGetRelationName(rel)),
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errdetail("Triggers on foreign tables cannot have transition tables.")));
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if (rel->rd_rel->relkind==RELKIND_VIEW)
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ereport(ERROR,
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(errcode(ERRCODE_WRONG_OBJECT_TYPE),
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errmsg("\"%s\" is a view",
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RelationGetRelationName(rel)),
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errdetail("Triggers on views cannot have transition tables.")));
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if (stmt->timing!=TRIGGER_TYPE_AFTER)
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ereport(ERROR,
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(errcode(ERRCODE_INVALID_OBJECT_DEFINITION),

‎src/test/regress/expected/foreign_data.out

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Original file line numberDiff line numberDiff line change
@@ -1269,6 +1269,13 @@ CREATE TRIGGER trigtest_after_stmt AFTER INSERT OR UPDATE OR DELETE
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ON foreign_schema.foreign_table_1
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FOR EACH STATEMENT
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EXECUTE PROCEDURE dummy_trigger();
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CREATE TRIGGER trigtest_after_stmt_tt AFTER INSERT OR UPDATE OR DELETE -- ERROR
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ON foreign_schema.foreign_table_1
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REFERENCING NEW TABLE AS new_table
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FOR EACH STATEMENT
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EXECUTE PROCEDURE dummy_trigger();
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ERROR: "foreign_table_1" is a foreign table
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DETAIL: Triggers on foreign tables cannot have transition tables.
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CREATE TRIGGER trigtest_before_row BEFORE INSERT OR UPDATE OR DELETE
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ON foreign_schema.foreign_table_1
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FOR EACH ROW

‎src/test/regress/expected/triggers.out

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Original file line numberDiff line numberDiff line change
@@ -1785,9 +1785,24 @@ drop trigger my_trigger on my_table_42;
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create trigger my_trigger after update on my_table_42 referencing old table as old_table
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for each statement execute procedure my_trigger_function();
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drop trigger my_trigger on my_table_42;
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drop function my_trigger_function();
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drop table my_table_42;
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drop table my_table;
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--
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-- Verify that triggers with transition tables are not allowed on
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-- views
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--
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create table my_table (i int);
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create view my_view as select * from my_table;
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create function my_trigger_function() returns trigger as $$ begin end; $$ language plpgsql;
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create trigger my_trigger after update on my_view referencing old table as old_table
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for each statement execute procedure my_trigger_function();
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ERROR: "my_view" is a view
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DETAIL: Triggers on views cannot have transition tables.
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drop function my_trigger_function();
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drop view my_view;
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drop table my_table;
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--
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-- Verify that per-statement triggers are fired for partitioned tables
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--
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create table parted_stmt_trig (a int) partition by list (a);

‎src/test/regress/sql/foreign_data.sql

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Original file line numberDiff line numberDiff line change
@@ -527,6 +527,12 @@ ON foreign_schema.foreign_table_1
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FOR EACH STATEMENT
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EXECUTE PROCEDURE dummy_trigger();
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CREATETRIGGERtrigtest_after_stmt_tt AFTER INSERTORUPDATEORDELETE-- ERROR
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ONforeign_schema.foreign_table_1
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REFERENCING NEW TABLEAS new_table
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FOR EACH STATEMENT
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EXECUTE PROCEDURE dummy_trigger();
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CREATETRIGGERtrigtest_before_row BEFORE INSERTORUPDATEORDELETE
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ONforeign_schema.foreign_table_1
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FOR EACH ROW

‎src/test/regress/sql/triggers.sql

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Original file line numberDiff line numberDiff line change
@@ -1261,9 +1261,24 @@ drop trigger my_trigger on my_table_42;
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createtriggermy_trigger afterupdateon my_table_42 referencing old tableas old_table
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for each statement execute procedure my_trigger_function();
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droptrigger my_triggeron my_table_42;
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dropfunction my_trigger_function();
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droptable my_table_42;
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droptable my_table;
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--
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-- Verify that triggers with transition tables are not allowed on
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-- views
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--
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createtablemy_table (iint);
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createviewmy_viewasselect*from my_table;
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createfunctionmy_trigger_function() returns triggeras $$begin end; $$ language plpgsql;
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createtriggermy_trigger afterupdateon my_view referencing old tableas old_table
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for each statement execute procedure my_trigger_function();
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dropfunction my_trigger_function();
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dropview my_view;
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droptable my_table;
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--
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-- Verify that per-statement triggers are fired for partitioned tables
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--

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