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delete.txt
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delete.txt
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================================================================================
DELETE statement
================================================================================
DELETE FROM foo;
DELETE FROM foo WHERE name = 'bar';
--------------------------------------------------------------------------------
(source_file
(delete_statement
(from_clause
(identifier)))
(delete_statement
(from_clause
(identifier))
(where_clause
(binary_expression
(identifier)
(string
(content))))))
================================================================================
DELETE with CTE
================================================================================
WITH t AS (
SELECT * FROM foo
)
DELETE FROM bar;
WITH RECURSIVE search_tree(id, link, data) AS NOT MATERIALIZED(
SELECT * FROM foo
)
DELETE FROM bar;
--------------------------------------------------------------------------------
(source_file
(delete_statement
(with_clause
(cte
(identifier)
(select_statement
(select_clause
(select_clause_body
(asterisk_expression)))
(from_clause
(identifier)))))
(from_clause
(identifier)))
(delete_statement
(with_clause
(cte
(identifier)
(identifier)
(identifier)
(identifier)
(select_statement
(select_clause
(select_clause_body
(asterisk_expression)))
(from_clause
(identifier)))))
(from_clause
(identifier))))
================================================================================
DELETE statement with RETURNING clause
================================================================================
DELETE FROM test_user
WHERE id = 2
RETURNING id, name;
--------------------------------------------------------------------------------
(source_file
(delete_statement
(from_clause
(identifier))
(where_clause
(binary_expression
left: (identifier)
right: (number)))
(returning_clause
(identifier)
(identifier))))
================================================================================
DELETE statement with RETURNING *
================================================================================
DELETE FROM products
WHERE obsoletion_date = 'today'
RETURNING *;
--------------------------------------------------------------------------------
(source_file
(delete_statement
(from_clause
(identifier))
(where_clause
(binary_expression
left: (identifier)
right: (string
content: (content))))
(returning_clause
(asterisk_expression))))
================================================================================
DELETE statement with using
================================================================================
DELETE FROM TBL_A A
USING TBL_B B
WHERE A.COL1 = B.COL1 AND B.COL2 > 10
--------------------------------------------------------------------------------
(source_file
(delete_statement
(from_clause
(alias
(identifier)
(identifier)))
(using_table_list
(alias
(identifier)
(identifier)))
(where_clause
(boolean_expression
(binary_expression
(dotted_name
(identifier)
(identifier))
(dotted_name
(identifier)
(identifier)))
(binary_expression
(dotted_name
(identifier)
(identifier))
(number))))))