starlitcanopy/simple-sql-parser
1
Fork 0
Code Activity

partial support for lateral

Browse source
This commit is contained in:
Jake Wheat 2013-12-17 12:45:32 +02:00
parent d49b3ddb99
commit 939189a04f
5 changed files with 36 additions and 8 deletions
tools/Language/SQL/SimpleSQL
Postgres.lhs

14
tools/Language/SQL/SimpleSQL/Postgres.lhs
View file

@ -51,7 +51,7 @@ queries section
> ,"SELECT * FROM people AS mother JOIN people AS child ON mother.id = child.mother_id;"
> ,"SELECT * FROM my_table AS a CROSS JOIN my_table AS b;"
> ,"SELECT * FROM (my_table AS a CROSS JOIN my_table) AS b;"
> ,"SELECT * FROM getfoo(1) AS t1;" -- function tableref
> ,"SELECT * FROM getfoo(1) AS t1;"
> ,"SELECT * FROM foo\n\
> \ WHERE foosubid IN (\n\
> \ SELECT foosubid\n\
@ -63,23 +63,23 @@ queries section
> \ AS t1(proname name, prosrc text)\n\
> \ WHERE proname LIKE 'bytea%';"-} -- types in the alias??
> --,"SELECT * FROM foo, LATERAL (SELECT * FROM bar WHERE bar.id = foo.bar_id) ss;" -- lateral
> ,"SELECT * FROM foo, LATERAL (SELECT * FROM bar WHERE bar.id = foo.bar_id) ss;" -- lateral
> ,"SELECT * FROM foo, bar WHERE bar.id = foo.bar_id;"
> {-,"SELECT p1.id, p2.id, v1, v2\n\
> \FROM polygons p1, polygons p2,\n\
> \ LATERAL vertices(p1.poly) v1,\n\
> \ LATERAL vertices(p2.poly) v2\n\
> \WHERE (v1 <-> v2) < 10 AND p1.id != p2.id;"-} -- <-> operator?, lateral
> \WHERE (v1 <-> v2) < 10 AND p1.id != p2.id;"-} -- <-> operator?
> {-,"SELECT p1.id, p2.id, v1, v2\n\
> \FROM polygons p1 CROSS JOIN LATERAL vertices(p1.poly) v1,\n\
> \ polygons p2 CROSS JOIN LATERAL vertices(p2.poly) v2\n\
> \WHERE (v1 <-> v2) < 10 AND p1.id != p2.id;"-}
> {-,"SELECT m.name\n\
> ,"SELECT m.name\n\
> \FROM manufacturers m LEFT JOIN LATERAL get_product_names(m.id) pname ON true\n\
> \WHERE pname IS NULL;"-} -- lateral, function ref
> \WHERE pname IS NULL;"
> ,"SELECT * FROM fdt WHERE c1 > 5"
@ -253,11 +253,11 @@ select page reference
> \ )\n\
> \SELECT distance, employee_name FROM employee_recursive;"-} -- with recursive, full cte alias
> {-,"SELECT m.name AS mname, pname\n\
> ,"SELECT m.name AS mname, pname\n\
> \FROM manufacturers m, LATERAL get_product_names(m.id) pname;"
> ,"SELECT m.name AS mname, pname\n\
> \FROM manufacturers m LEFT JOIN LATERAL get_product_names(m.id) pname ON true;"-} -- lateral
> \FROM manufacturers m LEFT JOIN LATERAL get_product_names(m.id) pname ON true;"
> ,"SELECT 2+2;"