-- -- TEMP -- Test temp relations and indexes -- -- test temp table/index masking CREATE TABLE temptest(col int); CREATE INDEX i_temptest ON temptest(col); CREATE TEMP TABLE temptest(tcol int); CREATE INDEX i_temptest ON temptest(tcol); SELECT * FROM temptest; tcol ------ (0 rows) DROP INDEX i_temptest; DROP TABLE temptest; SELECT * FROM temptest; col ----- (0 rows) DROP INDEX i_temptest; DROP TABLE temptest; -- test temp table selects CREATE TABLE temptest(col int); INSERT INTO temptest VALUES (1); CREATE TEMP TABLE temptest(tcol float); INSERT INTO temptest VALUES (2.1); SELECT * FROM temptest; tcol ------ 2.1 (1 row) DROP TABLE temptest; SELECT * FROM temptest; col ----- 1 (1 row) DROP TABLE temptest; -- test temp table deletion CREATE TEMP TABLE temptest(col int); \c regression SELECT * FROM temptest; ERROR: relation "temptest" does not exist -- Test ON COMMIT DELETE ROWS CREATE TEMP TABLE temptest(col int) ON COMMIT DELETE ROWS; BEGIN; INSERT INTO temptest VALUES (1); INSERT INTO temptest VALUES (2); SELECT * FROM temptest; col ----- 1 2 (2 rows) COMMIT; SELECT * FROM temptest; col ----- (0 rows) DROP TABLE temptest; BEGIN; CREATE TEMP TABLE temptest(col) ON COMMIT DELETE ROWS AS SELECT 1; SELECT * FROM temptest; col ----- 1 (1 row) COMMIT; SELECT * FROM temptest; col ----- (0 rows) DROP TABLE temptest; -- Test ON COMMIT DROP BEGIN; CREATE TEMP TABLE temptest(col int) ON COMMIT DROP; INSERT INTO temptest VALUES (1); INSERT INTO temptest VALUES (2); SELECT * FROM temptest; col ----- 1 2 (2 rows) COMMIT; SELECT * FROM temptest; ERROR: relation "temptest" does not exist BEGIN; CREATE TEMP TABLE temptest(col) ON COMMIT DROP AS SELECT 1; SELECT * FROM temptest; col ----- 1 (1 row) COMMIT; SELECT * FROM temptest; ERROR: relation "temptest" does not exist -- ON COMMIT is only allowed for TEMP CREATE TABLE temptest(col int) ON COMMIT DELETE ROWS; ERROR: ON COMMIT can only be used on temporary tables CREATE TABLE temptest(col) ON COMMIT DELETE ROWS AS SELECT 1; ERROR: ON COMMIT can only be used on temporary tables -- Test foreign keys BEGIN; CREATE TEMP TABLE temptest1(col int PRIMARY KEY); NOTICE: CREATE TABLE / PRIMARY KEY will create implicit index "temptest1_pkey" for table "temptest1" CREATE TEMP TABLE temptest2(col int REFERENCES temptest1) ON COMMIT DELETE ROWS; INSERT INTO temptest1 VALUES (1); INSERT INTO temptest2 VALUES (1); COMMIT; SELECT * FROM temptest1; col ----- 1 (1 row) SELECT * FROM temptest2; col ----- (0 rows) BEGIN; CREATE TEMP TABLE temptest3(col int PRIMARY KEY) ON COMMIT DELETE ROWS; NOTICE: CREATE TABLE / PRIMARY KEY will create implicit index "temptest3_pkey" for table "temptest3" CREATE TEMP TABLE temptest4(col int REFERENCES temptest3); COMMIT; ERROR: unsupported ON COMMIT and foreign key combination DETAIL: Table "temptest4" references "temptest3" via foreign key constraint "temptest4_col_fkey", but they do not have the same ON COMMIT setting.