Avoid processing the alias twice and generate an error.

Errors are triggered when an unexpected token is found between clauses.
Refactoring.

17 files changed, 54 insertions, 20 deletions

diff --git a/tests/Components/ExpressionArrayTest.php b/tests/Components/ExpressionArrayTest.php
index ea772e3..0fad913 100644
--- a/tests/Components/ExpressionArrayTest.php
+++ b/tests/Components/ExpressionArrayTest.php
@@ -21,4 +21,17 @@ class ExpressionArrayTest extends TestCase
         );
         $this->assertEquals(array(), $component);
     }
+
+    public function testParse2()
+    {
+        $component = ExpressionArray::parse(
+            new Parser(),
+            $this->getTokensList('(expr) +'),
+            array(
+                'bracketsDelimited' => true,
+            )
+        );
+        $this->assertEquals(1, count($component));
+        $this->assertEquals('(expr)', $component[0]->expr);
+    }
 }
diff --git a/tests/Components/ExpressionTest.php b/tests/Components/ExpressionTest.php
index f1c491c..01492fd 100644
--- a/tests/Components/ExpressionTest.php
+++ b/tests/Components/ExpressionTest.php
@@ -21,20 +21,41 @@ class ExpressionTest extends TestCase
         $component = Expression::parse(new Parser(), $this->getTokensList('col`test`'));
     }
 
-    public function testParseErr1()
+    /**
+     * @dataProvider testParseErrProvider
+     */
+    public function testParseErr($expr, $error)
     {
         $parser = new Parser();
-        Expression::parse($parser, $this->getTokensList('(1))'));
+        Expression::parse($parser, $this->getTokensList($expr));
         $errors = $this->getErrorsAsArray($parser);
-        $this->assertEquals($errors[0][0], 'Unexpected closing bracket.');
+        $this->assertEquals($errors[0][0], $error);
     }
 
-    public function testParseErr2()
+    public function testParseErrProvider()
     {
-        $parser = new Parser();
-        Expression::parse($parser, $this->getTokensList('tbl..col'));
-        $errors = $this->getErrorsAsArray($parser);
-        $this->assertEquals($errors[0][0], 'Unexpected dot.');
+        return array(
+            array(
+                '(1))',
+                'Unexpected closing bracket.',
+            ),
+            array(
+                'tbl..col',
+                'Unexpected dot.',
+            ),
+            array(
+                'id AS id2 AS id3',
+                'An alias was previously found.',
+            ),
+            array(
+                'id`id2`\'id3\'',
+                'An alias was previously found.',
+            ),
+            array(
+                '(id) id2 id3',
+                'An alias was previously found.',
+            ),
+        );
     }
 
     public function testBuild()
diff --git a/tests/Parser/RenameStatementTest.php b/tests/Parser/RenameStatementTest.php
index 72038f3..134f65a 100644
--- a/tests/Parser/RenameStatementTest.php
+++ b/tests/Parser/RenameStatementTest.php
@@ -20,10 +20,10 @@ class RenameStatementTest extends TestCase
         return array(
             array('parseRename'),
             array('parseRename2'),
-            array('parseRename3'),
-            array('parseRename4'),
-            array('parseRename5'),
             array('parseRenameErr1'),
+            array('parseRenameErr2'),
+            array('parseRenameErr3'),
+            array('parseRenameErr4'),
         );
     }
 }
diff --git a/tests/data/parseArrayErr1.out b/tests/data/parseArrayErr1.out
index 7fe17a0..6d1358c 100644
--- a/tests/data/parseArrayErr1.out
+++ b/tests/data/parseArrayErr1.out
@@ -1 +1 @@
-a:2:{s:6:"parser";O:16:"SqlParser\Parser":4:{s:4:"list";O:20:"SqlParser\TokensList":3:{s:6:"tokens";a:17:{i:0;O:15:"SqlParser\Token":5:{s:5:"token";s:6:"SELECT";s:5:"value";s:6:"SELECT";s:4:"type";i:1;s:5:"flags";i:3;s:8:"position";i:0;}i:1;O:15:"SqlParser\Token":5:{s:5:"token";s:1:" ";s:5:"value";s:1:" ";s:4:"type";i:3;s:5:"flags";i:0;s:8:"position";i:6;}i:2;O:15:"SqlParser\Token":5:{s:5:"token";s:1:"*";s:5:"value";s:1:"*";s:4:"type";i:2;s:5:"flags";i:1;s:8:"position";i:7;}i:3;O:15:"SqlParser\Token":5:{s:5:"token";s:1:" ";s:5:"value";s:1:" ";s:4:"type";i:3;s:5:"flags";i:0;s:8:"position";i:8;}i:4;O:15:"SqlParser\Token":5:{s:5:"token";s:4:"FROM";s:5:"value";s:4:"FROM";s:4:"type";i:1;s:5:"flags";i:3;s:8:"position";i:9;}i:5;O:15:"SqlParser\Token":5:{s:5:"token";s:1:" ";s:5:"value";s:1:" ";s:4:"type";i:3;s:5:"flags";i:0;s:8:"position";i:13;}i:6;O:15:"SqlParser\Token":5:{s:5:"token";s:3:"foo";s:5:"value";s:3:"foo";s:4:"type";i:0;s:5:"flags";i:0;s:8:"position";i:14;}i:7;O:15:"SqlParser\Token":5:{s:5:"token";s:1:" ";s:5:"value";s:1:" ";s:4:"type";i:3;s:5:"flags";i:0;s:8:"position";i:17;}i:8;O:15:"SqlParser\Token":5:{s:5:"token";s:9:"PARTITION";s:5:"value";s:9:"PARTITION";s:4:"type";i:1;s:5:"flags";i:3;s:8:"position";i:18;}i:9;O:15:"SqlParser\Token":5:{s:5:"token";s:1:" ";s:5:"value";s:1:" ";s:4:"type";i:3;s:5:"flags";i:0;s:8:"position";i:27;}i:10;O:15:"SqlParser\Token":5:{s:5:"token";s:3:"bar";s:5:"value";s:3:"bar";s:4:"type";i:0;s:5:"flags";i:0;s:8:"position";i:28;}i:11;O:15:"SqlParser\Token":5:{s:5:"token";s:1:",";s:5:"value";s:1:",";s:4:"type";i:2;s:5:"flags";i:16;s:8:"position";i:31;}i:12;O:15:"SqlParser\Token":5:{s:5:"token";s:1:" ";s:5:"value";s:1:" ";s:4:"type";i:3;s:5:"flags";i:0;s:8:"position";i:32;}i:13;O:15:"SqlParser\Token":5:{s:5:"token";s:3:"baz";s:5:"value";s:3:"baz";s:4:"type";i:0;s:5:"flags";i:0;s:8:"position";i:33;}i:14;O:15:"SqlParser\Token":5:{s:5:"token";s:1:")";s:5:"value";s:1:")";s:4:"type";i:2;s:5:"flags";i:16;s:8:"position";i:36;}i:15;O:15:"SqlParser\Token":5:{s:5:"token";s:1:";";s:5:"value";s:1:";";s:4:"type";i:9;s:5:"flags";i:0;s:8:"position";i:37;}i:16;O:15:"SqlParser\Token":5:{s:5:"token";N;s:5:"value";N;s:4:"type";i:9;s:5:"flags";i:0;s:8:"position";N;}}s:5:"count";i:17;s:3:"idx";i:17;}s:6:"strict";b:0;s:6:"errors";a:0:{}s:10:"statements";a:1:{i:0;O:36:"SqlParser\Statements\SelectStatement":15:{s:4:"expr";a:1:{i:0;O:31:"SqlParser\Components\Expression":7:{s:8:"database";N;s:5:"table";N;s:6:"column";N;s:4:"expr";s:1:"*";s:5:"alias";N;s:8:"function";N;s:8:"subquery";N;}}s:4:"from";a:1:{i:0;O:31:"SqlParser\Components\Expression":7:{s:8:"database";N;s:5:"table";s:3:"foo";s:6:"column";N;s:4:"expr";s:3:"foo";s:5:"alias";N;s:8:"function";N;s:8:"subquery";N;}}s:9:"partition";O:29:"SqlParser\Components\ArrayObj":2:{s:3:"raw";a:0:{}s:6:"values";a:0:{}}s:5:"where";N;s:5:"group";N;s:6:"having";N;s:5:"order";N;s:5:"limit";N;s:9:"procedure";N;s:4:"into";N;s:4:"join";N;s:5:"union";a:0:{}s:7:"options";O:33:"SqlParser\Components\OptionsArray":1:{s:7:"options";a:0:{}}s:5:"first";i:0;s:4:"last";i:14;}}}s:6:"errors";a:1:{i:0;a:3:{i:0;s:32:"An opening bracket was expected.";i:1;r:65;i:2;i:0;}}}
\ No newline at end of file
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\ No newline at end of file
diff --git a/tests/data/parseArrayErr2.out b/tests/data/parseArrayErr2.out
index 475d618..5ee4bb9 100644
--- a/tests/data/parseArrayErr2.out
+++ b/tests/data/parseArrayErr2.out
@@ -1 +1 @@
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\ No newline at end of file
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diff --git a/tests/data/parseRename.in b/tests/data/parseRename.in
index fcd7bb7..230bb98 100644
--- a/tests/data/parseRename.in
+++ b/tests/data/parseRename.in
@@ -1 +1 @@
-RENAME TABLE foo TO bar ?
\ No newline at end of file
+RENAME TABLE foo TO bar
\ No newline at end of file
diff --git a/tests/data/parseRename.out b/tests/data/parseRename.out
index 95d894e..46e3ec0 100644
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diff --git a/tests/data/parseRename5.in b/tests/data/parseRename5.in
deleted file mode 100644
index 50b6459..0000000
--- a/tests/data/parseRename5.in
+++ /dev/null
@@ -1 +0,0 @@
-RENAME TABLE a TO TO
\ No newline at end of file
diff --git a/tests/data/parseRename5.out b/tests/data/parseRename5.out
deleted file mode 100644
index 979dce9..0000000
--- a/tests/data/parseRename5.out
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diff --git a/tests/data/parseRenameErr1.in b/tests/data/parseRenameErr1.in
index 9eb37e3..50b6459 100644
--- a/tests/data/parseRenameErr1.in
+++ b/tests/data/parseRenameErr1.in
@@ -1 +1 @@
-RENAME TABLE foo TO bar +
\ No newline at end of file
+RENAME TABLE a TO TO
\ No newline at end of file
diff --git a/tests/data/parseRenameErr1.out b/tests/data/parseRenameErr1.out
index bf24c77..979dce9 100644
--- a/tests/data/parseRenameErr1.out
+++ b/tests/data/parseRenameErr1.out
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\ No newline at end of file
diff --git a/tests/data/parseRename3.in b/tests/data/parseRenameErr2.in
index a72e7fb..a72e7fb 100644
--- a/tests/data/parseRename3.in
+++ b/tests/data/parseRenameErr2.in
diff --git a/tests/data/parseRename3.out b/tests/data/parseRenameErr2.out
index 27ddcd1..27ddcd1 100644
--- a/tests/data/parseRename3.out
+++ b/tests/data/parseRenameErr2.out
diff --git a/tests/data/parseRename4.in b/tests/data/parseRenameErr3.in
index 76865a4..76865a4 100644
--- a/tests/data/parseRename4.in
+++ b/tests/data/parseRenameErr3.in
diff --git a/tests/data/parseRename4.out b/tests/data/parseRenameErr3.out
index d8e97e2..db490b6 100644
--- a/tests/data/parseRename4.out
+++ b/tests/data/parseRenameErr3.out
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\ No newline at end of file
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\ No newline at end of file
diff --git a/tests/data/parseRenameErr4.in b/tests/data/parseRenameErr4.in
new file mode 100644
index 0000000..c9ec564
--- /dev/null
+++ b/tests/data/parseRenameErr4.in
@@ -0,0 +1 @@
+RENAME TABLE foo TO bar TO
\ No newline at end of file
diff --git a/tests/data/parseRenameErr4.out b/tests/data/parseRenameErr4.out
new file mode 100644
index 0000000..7275dcd
--- /dev/null
+++ b/tests/data/parseRenameErr4.out
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\ No newline at end of file