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28 lines
933 B
Plaintext
28 lines
933 B
Plaintext
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CREATE TABLE delete_test (
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id SERIAL PRIMARY KEY,
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a INT
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);
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NOTICE: CREATE TABLE will create implicit sequence "delete_test_id_seq" for serial column "delete_test.id"
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NOTICE: CREATE TABLE / PRIMARY KEY will create implicit index "delete_test_pkey" for table "delete_test"
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INSERT INTO delete_test (a) VALUES (10);
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INSERT INTO delete_test (a) VALUES (50);
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INSERT INTO delete_test (a) VALUES (100);
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-- allow an alias to be specified for DELETE's target table
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DELETE FROM delete_test AS dt WHERE dt.a > 75;
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-- if an alias is specified, don't allow the original table name
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-- to be referenced
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BEGIN;
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SET LOCAL add_missing_from = false;
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DELETE FROM delete_test dt WHERE delete_test.a > 25;
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ERROR: invalid reference to FROM-clause entry for table "delete_test"
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HINT: Perhaps you meant to reference the table alias "dt".
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ROLLBACK;
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SELECT * FROM delete_test;
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id | a
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----+----
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1 | 10
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2 | 50
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(2 rows)
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DROP TABLE delete_test;
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