From 399db1b647e14947e97a865c09215969f56a7efe Mon Sep 17 00:00:00 2001
From: Aleksander Machniak <alec@alec.pl>
Date: Sat, 27 Apr 2013 18:31:40 +0200
Subject: Add db_prefix configuration option in place of
 db_table_*/db_sequence_* options Make possible to use db_prefix for schema
 initialization in Installer (#1489067) Fix updatedb.sh script so it
 recognizes also table prefix for external DDL files

---
 bin/updatedb.sh | 43 ++++++++++++++++++++++++++++++++++++++-----
 1 file changed, 38 insertions(+), 5 deletions(-)

(limited to 'bin/updatedb.sh')

diff --git a/bin/updatedb.sh b/bin/updatedb.sh
index aeeaf6856..b4ed8b7ba 100755
--- a/bin/updatedb.sh
+++ b/bin/updatedb.sh
@@ -180,15 +180,48 @@ function update_db_schema($package, $version, $file)
 
 function fix_table_names($sql)
 {
-    global $DB;
+    global $DB, $RC, $dir;
+    static $tables;
+    static $sequences;
+
+    $prefix = $RC->config->get('db_prefix');
+    $engine = $DB->db_provider;
+
+    if (empty($prefix)) {
+        return $sql;
+    }
+
+    if ($tables === null) {
+        $tables    = array();
+        $sequences = array();
+
+        // read complete schema (initial) file
+        $filename = "$dir/../$engine.initial.sql";
+        $schema    = @file_get_contents($filename);
 
-    foreach (array('users','identities','contacts','contactgroups','contactgroupmembers','session','cache','cache_index','cache_index','cache_messages','dictionary','searches','system') as $table) {
-        $real_table = $DB->table_name($table);
-        if ($real_table != $table) {
-            $sql = preg_replace("/([^a-z0-9_])$table([^a-z0-9_])/i", "\\1$real_table\\2", $sql);
+        // find table names
+        if (preg_match_all('/CREATE TABLE (\[dbo\]\.|IF NOT EXISTS )?[`"\[\]]*([^`"\[\] \r\n]+)/i', $schema, $matches)) {
+            foreach ($matches[2] as $table) {
+                $tables[$table] = $prefix . $table;
+            }
+        }
+        // find sequence names
+        if ($engine == 'postgres' && preg_match_all('/CREATE SEQUENCE (IF NOT EXISTS )?"?([^" \n\r]+)/i', $schema, $matches)) {
+            foreach ($matches[2] as $sequence) {
+                $sequences[$sequence] = $prefix . $sequence;
+            }
         }
     }
 
+    // replace table names
+    foreach ($tables as $table => $real_table) {
+        $sql = preg_replace("/([^a-zA-Z0-9_])$table([^a-zA-Z0-9_])/", "\\1$real_table\\2", $sql);
+    }
+    // replace sequence names
+    foreach ($sequences as $sequence => $real_sequence) {
+        $sql = preg_replace("/([^a-zA-Z0-9_])$sequence([^a-zA-Z0-9_])/", "\\1$real_sequence\\2", $sql);
+    }
+
     return $sql;
 }
 
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