add support for concurrent index builds

7 files changed, 16 insertions, 3 deletions

diff --git a/HISTORY b/HISTORY
index ad9df0fb..fb727aa2 100644
--- a/HISTORY
+++ b/HISTORY
@@ -16,6 +16,7 @@ Features
 * Support for Column Level Privileges
 * Allow users to specify a template database at database creation time
 * Support killing processes  
+* Add ability to create indexes concurrently
 
 Bugs
 * Fix problems with query tracking on overly long queries
diff --git a/TODO b/TODO
index 444fba58..b7990df7 100644
--- a/TODO
+++ b/TODO
@@ -120,7 +120,6 @@ Indexes
 
 * Support 8.1 Reindex [Database|System] commands
 * Expressional indexes
-* Allow indexes to be built concurrently [8.2]
 * Create Index Asc/Desc, Nulls First/Last [8.3]
 
 
diff --git a/classes/database/Postgres.php b/classes/database/Postgres.php
index 7f42dd89..9571b108 100755
--- a/classes/database/Postgres.php
+++ b/classes/database/Postgres.php
@@ -3110,13 +3110,15 @@ class Postgres extends ADODB_base {
 	 * @param $tablespace The tablespaces ('' means none/default)
 	 * @return 0 success
 	 */
-	function createIndex($name, $table, $columns, $type, $unique, $where, $tablespace) {
+	function createIndex($name, $table, $columns, $type, $unique, $where, $tablespace, $concurrently) {
 		$this->fieldClean($name);
 		$this->fieldClean($table);
 
 		$sql = "CREATE";
 		if ($unique) $sql .= " UNIQUE";
-		$sql .= " INDEX \"{$name}\" ON \"{$this->_schema}\".\"{$table}\" USING {$type} ";
+		$sql .= " INDEX";
+		if ($concurrently) $sql .= " CONCURRENTLY";
+		$sql .= " \"{$name}\" ON \"{$this->_schema}\".\"{$table}\" USING {$type} ";
 
 		if (is_array($columns)) {
 			$this->arrayClean($columns);
@@ -7575,6 +7577,7 @@ class Postgres extends ADODB_base {
 	function hasForeignKeysInfo() { return $this->hasConstraintsInfo(); }
 	function hasMagicTypes() { return true; }
 	function hasQueryKill() { return true; }
+	function hasConcurrentIndexBuild() { return true; }
 	
 }
 ?>
diff --git a/classes/database/Postgres81.php b/classes/database/Postgres81.php
index 3701c68d..f8479a3f 100644
--- a/classes/database/Postgres81.php
+++ b/classes/database/Postgres81.php
@@ -235,6 +235,7 @@ class Postgres81 extends Postgres82 {
 
 	function hasCreateTableLikeWithConstraints() {return false;}
 	function hasSharedComments() {return false;}
+	function hasConcurrentIndexBuild() {return false;}
 }
 
 ?>
diff --git a/indexes.php b/indexes.php
index f95b24db..08bc2f35 100644
--- a/indexes.php
+++ b/indexes.php
@@ -160,6 +160,13 @@
 			echo "\t\t\t</select>\n\t\t</td>\n\t</tr>\n";
 		}
 
+		if ($data->hasConcurrentIndexBuild()) {
+			echo "<tr>";
+			echo "<th class=\"data left\" scope=\"row\"><label for=\"formConcur\">{$lang['strconcurrently']}</label></th>";
+			echo "<td class=\"data1\"><input type=\"checkbox\" id=\"formConcur\" name=\"formConcur\"", (isset($_POST['formConcur']) ? 'checked="checked"' : ''), " /></td>";
+			echo "</tr>";
+		}	
+
 		echo "</table>";
 
 		echo "<p><input type=\"hidden\" name=\"action\" value=\"save_create_index\" />\n";
diff --git a/lang/english.php b/lang/english.php
index db9a0d66..a0758597 100644
--- a/lang/english.php
+++ b/lang/english.php
@@ -460,6 +460,7 @@
 	$lang['strconfcluster'] = 'Are you sure you want to cluster "%s"?';
 	$lang['strclusteredgood'] = 'Cluster complete.';
 	$lang['strclusteredbad'] = 'Cluster failed.';
+	$lang['strconcurrently'] = 'Concurrently';
 
 	// Rules
 	$lang['strrules'] = 'Rules';
diff --git a/lang/recoded/english.php b/lang/recoded/english.php
index 7357470a..f864eb17 100644
--- a/lang/recoded/english.php
+++ b/lang/recoded/english.php
@@ -460,6 +460,7 @@
 	$lang['strconfcluster'] = 'Are you sure you want to cluster &quot;%s&quot;?';
 	$lang['strclusteredgood'] = 'Cluster complete.';
 	$lang['strclusteredbad'] = 'Cluster failed.';
+	$lang['strconcurrently'] = 'Concurrently';
 
 	// Rules
 	$lang['strrules'] = 'Rules';