From 2a17b59e7318fe83703752551ad8f61b072aae04 Mon Sep 17 00:00:00 2001
From: Will Tinsdeall <will.tinsdeall@mercianlabels.com>
Date: Mon, 22 Dec 2014 12:07:03 +0000
Subject: [PATCH] Postgres-ify

---
 build/generation/common.php | 84 ++++++++++++++++++++++++-------------
 1 file changed, 56 insertions(+), 28 deletions(-)

diff --git a/build/generation/common.php b/build/generation/common.php
index 08258db..4c8e5ce 100644
--- a/build/generation/common.php
+++ b/build/generation/common.php
@@ -32,47 +32,75 @@ function getClassNamePlural($table) {
 }
 
 function getModels() {
-	$d = new mysqli(\Core\Router::$settings['database']['server'], \Core\Router::$settings['database']['user'], \Core\Router::$settings['database']['passwd'], \Core\Router::$settings['database']['db'], \Core\Router::$settings['database']['port']);
+	$settings = \Core\Router::$settings;
+	$d = pg_connect("host={$settings['database']['server']} port={$settings['database']['port']} dbname={$settings['database']['db']} user={$settings['database']['user']} password={$settings['database']['passwd']}");
 	
-	$q = $d->query("SHOW FULL TABLES WHERE Table_Type != 'VIEW'");
+	$q = pg_query("SELECT * FROM information_schema.tables WHERE table_catalog='{$settings['database']['passwd']}' AND table_schema='public' AND table_type != 'VIEW'");
 	$models = array();
-	while ($data = $q->fetch_array()) {
-		$models[$data[0]] = array("columns"=>array(), "multi"=>array(), "single"=>array(), "key"=>array());
+	while ($data = $q->fetch_assoc()) {
+		$models[$data['table_name']] = array("columns"=>array(), "multi"=>array(), "single"=>array(), "key"=>array());
 	}
 	
 	foreach ($models as $table=>$model) {
-		$q = $d->query("SHOW COLUMNS IN `$table`");
-		while ($data = $q->fetch_assoc()) {
-			$models[$table]['columns'][$data['Field']] = $data['Type'];
-			if ($data['Key'] == "PRI") {
-				$models[$table]['key'][] = $data['Field'];
-			}
+		$q = pg_query("SELECT * FROM information_schema.columns WHERE table_name='{$table}'");
+		while ($data = pg_fetch_assoc($q)) {
+			$models[$table]['columns'][$data['column_name']] = $data['data_type'];
+		}
+		
+
+		$q = pg_query("");
+		
+		$q = pg_query("SELECT               
+  pg_attribute.attname, 
+  format_type(pg_attribute.atttypid, pg_attribute.atttypmod) 
+FROM pg_index, pg_class, pg_attribute 
+WHERE 
+  pg_class.oid = '{$table}'::regclass AND
+  indrelid = pg_class.oid AND
+  pg_attribute.attrelid = pg_class.oid AND 
+  pg_attribute.attnum = any(pg_index.indkey)
+  AND indisprimary");
+		
+		
+		while ($data = pg_fetch_assoc($q)) {
+			$models[$table]['key'][] = $data['attname'];
 		}
 	}
 	
 	foreach ($models as $table=>$model) {
 		$sQuery = <<<EOF
-SELECT i.TABLE_NAME, k.COLUMN_NAME, i.CONSTRAINT_TYPE, i.CONSTRAINT_NAME, k.REFERENCED_TABLE_NAME, k.REFERENCED_COLUMN_NAME
-FROM information_schema.TABLE_CONSTRAINTS i
-LEFT JOIN information_schema.KEY_COLUMN_USAGE k ON i.CONSTRAINT_NAME = k.CONSTRAINT_NAME
-WHERE i.CONSTRAINT_TYPE = 'FOREIGN KEY'
-AND i.TABLE_SCHEMA = DATABASE()
-AND i.TABLE_NAME = '$table'
-EOF;
-		$q = $d->query($sQuery);
-		while ($data = $q->fetch_assoc()) {
-			$models[$data['TABLE_NAME']]['multi'][$data['CONSTRAINT_NAME']] = array($data['COLUMN_NAME'], $data['REFERENCED_TABLE_NAME'], $data['REFERENCED_COLUMN_NAME']);
-			$models[$data['REFERENCED_TABLE_NAME']]['single'][$data['CONSTRAINT_NAME']] = array($data['REFERENCED_COLUMN_NAME'], $data['TABLE_NAME'], $data['COLUMN_NAME']);
+SELECT
+    tc.constraint_name, tc.table_name, kcu.column_name, 
+    ccu.table_name AS foreign_table_name,
+    ccu.column_name AS foreign_column_name 
+FROM 
+    information_schema.table_constraints AS tc 
+    JOIN information_schema.key_column_usage AS kcu
+      ON tc.constraint_name = kcu.constraint_name
+    JOIN information_schema.constraint_column_usage AS ccu
+      ON ccu.constraint_name = tc.constraint_name
+WHERE constraint_type = 'FOREIGN KEY' AND tc.table_name='{$table}';
+EOF;
+		//FIXME FK doesn't work
+		if (false) {
+			$q = $d->query($sQuery);
+			while ($data = $q->fetch_assoc()) {
+				$models[$data['TABLE_NAME']]['multi'][$data['CONSTRAINT_NAME']] = array($data['COLUMN_NAME'], $data['REFERENCED_TABLE_NAME'], $data['REFERENCED_COLUMN_NAME']);
+				$models[$data['REFERENCED_TABLE_NAME']]['single'][$data['CONSTRAINT_NAME']] = array($data['REFERENCED_COLUMN_NAME'], $data['TABLE_NAME'], $data['COLUMN_NAME']);
+			}
 		}
+		
 		
 	}
-	
-	foreach ($models as $table=>$model) {
-		if (count($model['multi']) == 2 && count($model['columns']) == 2) {
-			$models[$table]['link_table'] = true;
-		} else {
-			$models[$table]['link_table'] = false;
-		}
+	
+	if (false) {
+		foreach ($models as $table=>$model) {
+			if (count($model['multi']) == 2 && count($model['columns']) == 2) {
+				$models[$table]['link_table'] = true;
+			} else {
+				$models[$table]['link_table'] = false;
+			}
+		}
 	}
 	return $models;
 }
\ No newline at end of file