feat: pgsql collect column name (#216)

* feat(pgsql: collect column name): pgsql: collect column name

* feat(pgsql): repair column name's unit test and sql

* feat(pgsql): pgsql: collect expression's column

* feat(update column's collect of some expression): pgsql: update column's collect of some expression

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Co-authored-by: zhaoge <>

test/parser/pgsql/syntax/fixtures/others.sql

@@ -181,7 +181,9 @@ MOVE NEXT FROM cursor_name;
 WITH query_name (id) AS (SELECT id FROM table_expression)
 MERGE INTO ONLY target_table_name * AS target_alias
 USING ONLY source_table_name * ON s.winename = w.winename
-WHEN MATCHED AND s.winename = w.winename THEN UPDATE SET column_name = DEFAULT;
+WHEN MATCHED AND s.winename = w.winename THEN UPDATE SET column_name = stock + 3
+WHEN NOT MATCHED AND stock_delta + stock > 0 THEN INSERT ( column_name) OVERRIDING SYSTEM VALUE VALUES (s.winename)
+WHEN MATCHED THEN DELETE;
 
 -- NOTIFY
 NOTIFY virtual, 'This is the payload';

test/parser/pgsql/syntax/fixtures/select.sql

@@ -13,6 +13,8 @@ WINDOW  w AS (PARTITION BY depname ORDER BY salary DESC)
   FOR UPDATE OF table_name, table_name2 NOWAIT;
 SELECT;
 
+SELECT * FROM db.tbs GROUP BY (col1 > 3, col2 < 8) ORDER BY col3 > 9;
+
 WITH query_name (id) AS (SELECT id FROM table_expression) SELECT DISTINCT random() AS name1 FROM table_expression WHERE name1=name1 GROUP BY id  HAVING sum(len) < interval '5 hours' WINDOW  w AS (PARTITION BY depname ORDER BY salary DESC) INTERSECT DISTINCT (SELECT * FROM others) ORDER BY salary ASC LIMIT ALL OFFSET start FETCH NEXT ROW ONLY FOR NO KEY UPDATE;
 
 WITH query_name (id) AS (SELECT id FROM table_expression) SELECT DISTINCT ON (col1) random() AS name1 FROM table_expression WHERE name1=name1 GROUP BY id  HAVING sum(len) < interval '5 hours' WINDOW  w AS (PARTITION BY depname ORDER BY salary DESC) EXCEPT (SELECT * FROM others) ORDER BY salary USING > NULL FIRST LIMIT 40 OFFSET start FETCH NEXT ROW ONLY FOR SHARE;