Merge branch 'master' into topic/constructor_rewrite

[dbsrgits/DBIx-Class.git] / t / sqlmaker / limit_dialects / generic_subq.t

diff --git a/t/sqlmaker/limit_dialects/generic_subq.t b/t/sqlmaker/limit_dialects/generic_subq.t
new file mode 100644 (file)
index 0000000..5ed89c0
--- /dev/null
+++ b/t/sqlmaker/limit_dialects/generic_subq.t
@@ -0,0 +1,194 @@
+use strict;
+use warnings;
+
+use Test::More;
+use lib qw(t/lib);
+use DBICTest;
+use DBIC::SqlMakerTest;
+use DBIx::Class::SQLMaker::LimitDialects;
+my ($ROWS, $TOTAL, $OFFSET) = (
+   DBIx::Class::SQLMaker::LimitDialects->__rows_bindtype,
+   DBIx::Class::SQLMaker::LimitDialects->__total_bindtype,
+   DBIx::Class::SQLMaker::LimitDialects->__offset_bindtype,
+);
+
+
+my $schema = DBICTest->init_schema;
+
+$schema->storage->_sql_maker->limit_dialect ('GenericSubQ');
+
+my $rs = $schema->resultset ('BooksInLibrary')->search ({}, {
+  '+columns' => [{ owner_name => 'owner.name' }],
+  join => 'owner',
+  rows => 2,
+  order_by => 'me.title',
+});
+
+is_same_sql_bind(
+  $rs->as_query,
+  '(
+    SELECT  me.id, me.source, me.owner, me.title, me.price,
+            owner_name
+      FROM (
+        SELECT  me.id, me.source, me.owner, me.title, me.price,
+                owner.name AS owner_name
+          FROM books me
+          JOIN owners owner ON owner.id = me.owner
+        WHERE ( source = ? )
+      ) me
+    WHERE
+      (
+        SELECT COUNT(*)
+          FROM books rownum__emulation
+        WHERE rownum__emulation.title < me.title
+      ) < ?
+    ORDER BY me.title
+  )',
+  [
+    [ { sqlt_datatype => 'varchar', sqlt_size => 100, dbic_colname => 'source' } => 'Library' ],
+    [ $ROWS => 2 ],
+  ],
+);
+
+is_deeply (
+  [ $rs->get_column ('title')->all ],
+  ['Best Recipe Cookbook', 'Dynamical Systems'],
+  'Correct columns selected with rows',
+);
+
+$schema->storage->_sql_maker->quote_char ('"');
+$schema->storage->_sql_maker->name_sep ('.');
+
+$rs = $schema->resultset ('BooksInLibrary')->search ({}, {
+  order_by => { -desc => 'title' },
+  '+select' => ['owner.name'],
+  '+as' => ['owner.name'],
+  join => 'owner',
+  rows => 3,
+  offset => 1,
+});
+
+is_same_sql_bind(
+  $rs->as_query,
+  '(
+    SELECT  "me"."id", "me"."source", "me"."owner", "me"."title", "me"."price",
+            "owner__name"
+      FROM (
+        SELECT  "me"."id", "me"."source", "me"."owner", "me"."title", "me"."price",
+                "owner"."name" AS "owner__name"
+          FROM "books" "me"
+          JOIN "owners" "owner" ON "owner"."id" = "me"."owner"
+        WHERE ( "source" = ? )
+      ) "me"
+    WHERE
+      (
+        SELECT COUNT(*)
+          FROM "books" "rownum__emulation"
+        WHERE "rownum__emulation"."title" > "me"."title"
+      ) BETWEEN ? AND ?
+    ORDER BY "title" DESC
+  )',
+  [
+    [ { sqlt_datatype => 'varchar', sqlt_size => 100, dbic_colname => 'source' } => 'Library' ],
+    [ $OFFSET => 1 ],
+    [ $TOTAL => 3 ],
+  ],
+);
+
+is_deeply (
+  [ $rs->get_column ('title')->all ],
+  [ 'Dynamical Systems', 'Best Recipe Cookbook' ],
+  'Correct columns selected with rows',
+);
+
+$rs = $schema->resultset ('BooksInLibrary')->search ({}, {
+  order_by => 'title',
+  'select' => ['owner.name'],
+  'as' => ['owner_name'],
+  join => 'owner',
+  offset => 1,
+});
+
+is_same_sql_bind(
+  $rs->as_query,
+  '(
+    SELECT "owner_name"
+      FROM (
+        SELECT "owner"."name" AS "owner_name", "title"
+          FROM "books" "me"
+          JOIN "owners" "owner" ON "owner"."id" = "me"."owner"
+        WHERE ( "source" = ? )
+      ) "me"
+    WHERE
+      (
+        SELECT COUNT(*)
+          FROM "books" "rownum__emulation"
+        WHERE "rownum__emulation"."title" < "me"."title"
+      ) BETWEEN ? AND ?
+    ORDER BY "title"
+  )',
+  [
+    [ { sqlt_datatype => 'varchar', sqlt_size => 100, dbic_colname => 'source' } => 'Library' ],
+    [ $OFFSET => 1 ],
+    [ $TOTAL => 2147483647 ],
+  ],
+);
+
+is_deeply (
+  [ $rs->get_column ('owner_name')->all ],
+  [ ('Newton') x 2 ],
+  'Correct columns selected with rows',
+);
+
+{
+  $rs = $schema->resultset('Artist')->search({}, {
+    columns => 'artistid',
+    offset => 1,
+    order_by => 'artistid',
+  });
+  local $rs->result_source->{name} = "weird \n newline/multi \t \t space containing \n table";
+
+  like (
+    ${$rs->as_query}->[0],
+    qr| weird \s \n \s newline/multi \s \t \s \t \s space \s containing \s \n \s table|x,
+    'Newlines/spaces preserved in final sql',
+  );
+}
+
+# this is a nonsensical order_by, we are just making sure the bind-transport is correct
+# (not that it'll be useful anywhere in the near future)
+my $attr = {};
+my $rs_selectas_rel = $schema->resultset('BooksInLibrary')->search(undef, {
+  columns => 'me.id',
+  offset => 3,
+  rows => 4,
+  '+columns' => { bar => \['? * ?', [ $attr => 11 ], [ $attr => 12 ]], baz => \[ '?', [ $attr => 13 ]] },
+  order_by => [ 'id', \['? / ?', [ $attr => 1 ], [ $attr => 2 ]], \[ '?', [ $attr => 3 ]] ],
+  having => \[ '?', [ $attr => 21 ] ],
+});
+
+is_same_sql_bind(
+  $rs_selectas_rel->as_query,
+  '(
+    SELECT "me"."id", "bar", "baz"
+      FROM (
+        SELECT "me"."id", ? * ? AS "bar", ? AS "baz"
+          FROM "books" "me"
+        WHERE ( "source" = ? )
+        HAVING ?
+      ) "me"
+    WHERE ( SELECT COUNT(*) FROM "books" "rownum__emulation" WHERE "rownum__emulation"."id" < "me"."id" ) BETWEEN ? AND ?
+    ORDER BY "id", ? / ?, ?
+  )',
+  [
+    [ $attr => 11 ], [ $attr => 12 ], [ $attr => 13 ],
+    [ { sqlt_datatype => 'varchar', sqlt_size => 100, dbic_colname => 'source' } => 'Library' ],
+    [ $attr => 21 ],
+    [ {%$OFFSET} => 3 ],
+    [ {%$TOTAL} => 6 ],
+    [ $attr => 1 ], [ $attr => 2 ], [ $attr => 3 ],
+  ],
+  'Pagination with sub-query in ORDER BY works'
+);
+
+done_testing;