1 files changed, 167 insertions, 0 deletions
diff --git a/includes/database/pgsql/query.inc b/includes/database/pgsql/query.inc
new file mode 100644
index 000000000..4f3a08da6
--- /dev/null
+++ b/includes/database/pgsql/query.inc
@@ -0,0 +1,167 @@
+<?php
+// $Id$
+
+
+/**
+ * @ingroup database
+ * @{
+ */
+
+class InsertQuery_pgsql extends InsertQuery {
+
+  public function __construct($connection, $table, Array $options = array()) {
+    parent::__construct($connection, $table, $options);
+    $this->queryOptions['return'] = Database::RETURN_NULL;
+  }
+  
+  public function execute() {
+    
+    // Confirm that the user did not try to specify an identical
+    //  field and default field.
+    if (array_intersect($this->insertFields, $this->defaultFields)) {
+      throw new PDOException('You may not specify the same field to have a value and a schema-default value.');
+    }
+
+    $schema = drupal_get_schema($this->table);
+
+    $stmt = $this->connection->prepareQuery((string)$this);
+
+    $max_placeholder = 0;
+    $blobs = array();
+    $blob_cnt = 0;
+    foreach ($this->insertValues as &$insert_values) {
+      foreach ($this->insertFields as $idx => $field) {
+        switch ($schema['fields'][$field]['type']) {
+          case 'blob':
+            $blobs[$blob_cnt] = fopen('php://memory', 'a');
+            fwrite($blobs[$blob_cnt], $insert_values[$idx]);
+            rewind($blobs[$blob_cnt]);
+
+            $stmt->bindParam(':db_insert_placeholder_' . $max_placeholder++, $blobs[$blob_cnt], PDO::PARAM_LOB);
+
+            ++$blob_cnt;
+
+            break;
+          default:
+            $stmt->bindParam(':db_insert_placeholder_'. $max_placeholder++, $insert_values[$idx]);
+            break;
+        }
+      }
+    }
+
+    // PostgreSQL requires the table name to be specified explicitly
+    // when requesting the last insert ID, so we pass that in via
+    // the options array.
+    $options = $this->queryOptions;
+    
+    if ($schema['fields'][$schema['primary key'][0]]['type'] == 'serial') {
+      $options['sequence_name'] = $this->connection->makeSequenceName($this->table, $schema['primary key'][0]);
+      $options['return'] = Database::RETURN_INSERT_ID;
+    }
+    $last_insert_id = $this->connection->query($stmt, array(), $options);
+    
+    // Re-initialize the values array so that we can re-use this query.
+    $this->insertValues = array();
+
+    return $last_insert_id;
+  }
+
+  public function __toString() {
+    
+    // Default fields are always placed first for consistency.
+    $insert_fields = array_merge($this->defaultFields, $this->insertFields);
+
+    $query = "INSERT INTO {" . $this->table . '} (' . implode(', ', $insert_fields) . ') VALUES ';
+
+    $max_placeholder = 0;
+    $values = array();
+      if (count($this->insertValues)) {
+      foreach ($this->insertValues as $insert_values) {
+        $placeholders = array();
+        
+        // Default fields aren't really placeholders, but this is the most convenient
+        // way to handle them.
+        $placeholders = array_pad($placeholders, count($this->defaultFields), 'default');
+        
+        $new_placeholder = $max_placeholder + count($insert_values);
+        for ($i = $max_placeholder; $i < $new_placeholder; ++$i) {
+          $placeholders[] = ':db_insert_placeholder_' . $i;
+        }
+        $max_placeholder = $new_placeholder;
+        $values[] = '(' . implode(', ', $placeholders) . ')';
+      }
+    }
+    else {
+      // If there are no values, then this is a default-only query.  We still need to handle that.
+      $placeholders = array_fill(0, count($this->defaultFields), 'default');
+      $values[] = '(' . implode(', ', $placeholders) .')';
+    }
+
+    $query .= implode(', ', $values);
+
+    return $query;
+  }
+}
+
+class UpdateQuery_pgsql extends UpdateQuery { 
+  public function execute() {
+    $max_placeholder = 0;
+    $blobs = array();
+    $blob_count = 0;
+    
+    $schema = drupal_get_schema($this->table);
+    
+    // Because we filter $fields the same way here and in __toString(), the
+    // placeholders will all match up properly.
+    $stmt = $this->connection->prepareQuery((string)$this);
+    
+    // Expressions take priority over literal fields, so we process those first
+    // and remove any literal fields that conflict.
+    $fields = $this->fields;
+    $expression_fields = array();
+    foreach ($this->expressionFields as $field => $data) {
+      if (!empty($data['arguments'])) {
+        foreach ($data['arguments'] as $placeholder => $argument) {
+          // We assume that an expression will never happen on a BLOB field,
+          // which is a fairly safe assumption to make since in most cases
+          // it would be an invalid query anyway.
+          $stmt->bindParam($placeholder, $argument);
+        }
+      }
+      unset($fields[$field]);
+    }
+    
+    foreach ($fields as $field => &$value) {
+      $placeholder = ':db_update_placeholder_' . ($max_placeholder++);
+
+      switch ($schema['fields'][$field]['type']) {
+        case 'blob':
+          $blobs[$blob_count] = fopen('php://memory', 'a');
+          fwrite($blobs[$blob_count], $value);
+          rewind($blobs[$blob_count]);
+          $stmt->bindParam($placeholder, $blobs[$blob_count], PDO::PARAM_LOB);
+          ++$blob_count;
+          break;
+        default:
+          $stmt->bindParam($placeholder, $value);
+          break;
+      }
+    }
+
+    if (count($this->condition)) {
+      $this->condition->compile($this->connection);
+
+      $arguments = $this->condition->arguments();
+      foreach ($arguments as $placeholder => &$value) {
+        $stmt->bindParam($placeholder, $value);
+      }
+    }
+
+    $options = $this->queryOptions;
+    $options['already_prepared'] = TRUE;
+    $this->connection->query($stmt, $options);
+    
+    //$stmt->execute(NULL, $this->queryOptions);
+    return $stmt->rowCount();
+  }
+}