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-rw-r--r--lib/pgsqlschema.php259
1 files changed, 45 insertions, 214 deletions
diff --git a/lib/pgsqlschema.php b/lib/pgsqlschema.php
index 272f7eff6..2d0f60983 100644
--- a/lib/pgsqlschema.php
+++ b/lib/pgsqlschema.php
@@ -104,31 +104,6 @@ class PgsqlSchema extends Schema
}
/**
- * Gets a ColumnDef object for a single column.
- *
- * Throws an exception if the table is not found.
- *
- * @param string $table name of the table
- * @param string $column name of the column
- *
- * @return ColumnDef definition of the column or null
- * if not found.
- */
-
- public function getColumnDef($table, $column)
- {
- $td = $this->getTableDef($table);
-
- foreach ($td->columns as $cd) {
- if ($cd->name == $column) {
- return $cd;
- }
- }
-
- return null;
- }
-
- /**
* Creates a table with the given names and columns.
*
* @param string $name Name of the table
@@ -193,27 +168,6 @@ class PgsqlSchema extends Schema
}
/**
- * Drops a table from the schema
- *
- * Throws an exception if the table is not found.
- *
- * @param string $name Name of the table to drop
- *
- * @return boolean success flag
- */
-
- public function dropTable($name)
- {
- $res = $this->conn->query("DROP TABLE $name");
-
- if (PEAR::isError($res)) {
- throw new Exception($res->getMessage());
- }
-
- return true;
- }
-
- /**
* Translate the (mostly) mysql-ish column types into somethings more standard
* @param string column type
*
@@ -230,86 +184,6 @@ class PgsqlSchema extends Schema
}
/**
- * Adds an index to a table.
- *
- * If no name is provided, a name will be made up based
- * on the table name and column names.
- *
- * Throws an exception on database error, esp. if the table
- * does not exist.
- *
- * @param string $table Name of the table
- * @param array $columnNames Name of columns to index
- * @param string $name (Optional) name of the index
- *
- * @return boolean success flag
- */
-
- public function createIndex($table, $columnNames, $name=null)
- {
- if (!is_array($columnNames)) {
- $columnNames = array($columnNames);
- }
-
- if (empty($name)) {
- $name = "$table_".implode("_", $columnNames)."_idx";
- }
-
- $res = $this->conn->query("ALTER TABLE $table ".
- "ADD INDEX $name (".
- implode(",", $columnNames).")");
-
- if (PEAR::isError($res)) {
- throw new Exception($res->getMessage());
- }
-
- return true;
- }
-
- /**
- * Drops a named index from a table.
- *
- * @param string $table name of the table the index is on.
- * @param string $name name of the index
- *
- * @return boolean success flag
- */
-
- public function dropIndex($table, $name)
- {
- $res = $this->conn->query("ALTER TABLE $table DROP INDEX $name");
-
- if (PEAR::isError($res)) {
- throw new Exception($res->getMessage());
- }
-
- return true;
- }
-
- /**
- * Adds a column to a table
- *
- * @param string $table name of the table
- * @param ColumnDef $columndef Definition of the new
- * column.
- *
- * @return boolean success flag
- */
-
- public function addColumn($table, $columndef)
- {
- $sql = "ALTER TABLE $table ADD COLUMN " . $this->_columnSql($columndef);
-
- $res = $this->conn->query($sql);
-
- if (PEAR::isError($res)) {
- throw new Exception($res->getMessage());
- }
-
- return true;
- }
-
- /**
* Modifies a column in the schema.
*
* The name must match an existing column and table.
@@ -334,29 +208,6 @@ class PgsqlSchema extends Schema
return true;
}
- /**
- * Drops a column from a table
- *
- * The name must match an existing column.
- *
- * @param string $table name of the table
- * @param string $columnName name of the column to drop
- *
- * @return boolean success flag
- */
-
- public function dropColumn($table, $columnName)
- {
- $sql = "ALTER TABLE $table DROP COLUMN $columnName";
-
- $res = $this->conn->query($sql);
-
- if (PEAR::isError($res)) {
- throw new Exception($res->getMessage());
- }
-
- return true;
- }
/**
* Ensures that a table exists with the given
@@ -445,88 +296,68 @@ class PgsqlSchema extends Schema
}
/**
- * Returns the array of names from an array of
- * ColumnDef objects.
- *
- * @param array $cds array of ColumnDef objects
+ * Return the proper SQL for creating or
+ * altering a column.
*
- * @return array strings for name values
- */
-
- private function _names($cds)
- {
- $names = array();
-
- foreach ($cds as $cd) {
- $names[] = $cd->name;
- }
-
- return $names;
- }
-
- /**
- * Get a ColumnDef from an array matching
- * name.
+ * Appropriate for use in CREATE TABLE or
+ * ALTER TABLE statements.
*
- * @param array $cds Array of ColumnDef objects
- * @param string $name Name of the column
+ * @param string $tableName
+ * @param array $tableDef
+ * @param string $columnName
+ * @param array $cd column to create
*
- * @return ColumnDef matching item or null if no match.
+ * @return string correct SQL for that column
*/
- private function _byName($cds, $name)
+ function columnSql($name, array $cd)
{
- foreach ($cds as $cd) {
- if ($cd->name == $name) {
- return $cd;
+ $line = array();
+ $line[] = parent::_columnSql($cd);
+
+ if ($table['foreign keys'][$name]) {
+ foreach ($table['foreign keys'][$name] as $foreignTable => $foreignColumn) {
+ $line[] = 'references';
+ $line[] = $this->quoteId($foreignTable);
+ $line[] = '(' . $this->quoteId($foreignColumn) . ')';
}
}
- return null;
+ return implode(' ', $line);
}
- /**
- * Return the proper SQL for creating or
- * altering a column.
- *
- * Appropriate for use in CREATE TABLE or
- * ALTER TABLE statements.
- *
- * @param ColumnDef $cd column to create
- *
- * @return string correct SQL for that column
- */
- private function _columnSql($cd)
+ function mapType($column)
{
- $sql = "{$cd->name} ";
- $type = $this->_columnTypeTranslation($cd->type);
-
- //handle those mysql enum fields that postgres doesn't support
- if (preg_match('!^enum!', $type)) {
- $allowed_values = preg_replace('!^enum!', '', $type);
- $sql .= " text check ({$cd->name} in $allowed_values)";
- return $sql;
- }
- if (!empty($cd->auto_increment)) {
- $type = "bigserial"; // FIXME: creates the wrong name for the sequence for some internal sequence-lookup function, so better fix this to do the real 'create sequence' dance.
+ $map = array('serial' => 'bigserial', // FIXME: creates the wrong name for the sequence for some internal sequence-lookup function, so better fix this to do the real 'create sequence' dance.
+ 'numeric' => 'decimal',
+ 'datetime' => 'timestamp',
+ 'blob' => 'bytea');
+
+ $type = $column['type'];
+ if (isset($map[$type])) {
+ $type = $map[$type];
}
- if (!empty($cd->size)) {
- $sql .= "{$type}({$cd->size}) ";
- } else {
- $sql .= "{$type} ";
+ if (!empty($column['size'])) {
+ $size = $column['size'];
+ if ($type == 'integer' &&
+ in_array($size, array('small', 'big'))) {
+ $type = $size . 'int';
+ }
}
- if (!empty($cd->default)) {
- $sql .= "default {$cd->default} ";
+ return $type;
+ }
+
+ // @fixme need name... :P
+ function typeAndSize($column)
+ {
+ if ($column['type'] == 'enum') {
+ $vals = array_map(array($this, 'quote'), $column['enum']);
+ return "text check ($name in " . implode(',', $vals) . ')';
} else {
- $sql .= ($cd->nullable) ? "null " : "not null ";
+ return parent::typeAndSize($column);
}
-
-// if (!empty($cd->extra)) {
-// $sql .= "{$cd->extra} ";
-// }
-
- return $sql;
}
+
}
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