- Support simple arrays like [1, 2, 3, 4, 5] as table-names which will result in a UNION-chain-subquery

Author: rkrx

src/Builder/Traits/TableNameBuilder.php

@@ -24,12 +24,16 @@ protected function buildTableName($alias, $name) {
 		}
 		if(is_array($name)) {
 			$parts = [];
-			foreach($name as $bucket) {
-				$values = [];
-				foreach($bucket as $field => $value) {
-					$values[] = sprintf('%s AS %s', $this->db()->quote($value), $this->db()->quoteField($field));
+			foreach($name as $index => $bucket) {
+				if(ctype_digit((string) $index) && is_scalar($bucket)) {
+					$parts[] = "SELECT {$this->db()->quote($bucket)}";
+				} else {
+					$values = [];
+					foreach($bucket as $field => $value) {
+						$values[] = sprintf('%s AS %s', $this->db()->quote($value), $this->db()->quoteField($field));
+					}
+					$parts[] = sprintf("SELECT %s", join(', ', $values));
 				}
-				$parts[] = sprintf("SELECT %s", join(', ', $values));
 			}
 			$name = '(' . join("\n\tUNION\n\t", $parts) . ')';
 		}

tests/Builder/SelectTest.php

@@ -391,4 +391,13 @@ public function testParametrizedVirtualTables() {
 
 		$this->assertEquals("SELECT\n\tt.field1,\n\tt.field2\nFROM\n\ttest t\nINNER JOIN\n\t(SELECT\n\t\ta.field1\n\tFROM\n\t\ttableA a) vt1 ON vt1.field1=t.field1\nINNER JOIN\n\t(SELECT\n\t\ta.field1\n\tFROM\n\t\ttableA a\n\tWHERE\n\t\t(a.active='1')) vt2 ON vt2.field2=t.field2\n", $query);
 	}
+
+	public function testArrayTables() {
+		$vt1 = TestSelect::create()
+		->field('a.field1')
+		->from('a', range(1, 9))
+		->asString();
+		
+		$this->assertEquals("SELECT\n\ta.field1\nFROM\n\t(SELECT '1'\n\tUNION\n\tSELECT '2'\n\tUNION\n\tSELECT '3'\n\tUNION\n\tSELECT '4'\n\tUNION\n\tSELECT '5'\n\tUNION\n\tSELECT '6'\n\tUNION\n\tSELECT '7'\n\tUNION\n\tSELECT '8'\n\tUNION\n\tSELECT '9') a\n", $vt1);
+	}
 }