diff options
Diffstat (limited to 'codebase/connector/db_postgre.php')
-rw-r--r-- | codebase/connector/db_postgre.php | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/codebase/connector/db_postgre.php b/codebase/connector/db_postgre.php new file mode 100644 index 0000000..a7d1598 --- /dev/null +++ b/codebase/connector/db_postgre.php @@ -0,0 +1,73 @@ +<?php +/* + @author dhtmlx.com + @license GPL, see license.txt +*/ +require_once("db_common.php"); +/*! Implementation of DataWrapper for PostgreSQL +**/ +class PostgreDBDataWrapper extends DBDataWrapper{ + public function query($sql){ + LogMaster::log($sql); + + $res=pg_query($this->connection,$sql); + if ($res===false) throw new Exception("Postgre - sql execution failed\n".pg_last_error($this->connection)); + + return $res; + } + + protected function select_query($select,$from,$where,$sort,$start,$count){ + if (!$from) + return $select; + + $sql="SELECT ".$select." FROM ".$from; + if ($where) $sql.=" WHERE ".$where; + if ($sort) $sql.=" ORDER BY ".$sort; + if ($start || $count) + $sql.=" OFFSET ".$start." LIMIT ".$count; + return $sql; + } + + public function get_next($res){ + return pg_fetch_assoc($res); + } + + public function get_new_id(){ + $res = pg_query( $this->connection, "SELECT LASTVAL() AS seq"); + $data = pg_fetch_assoc($res); + pg_free_result($res); + return $data['seq']; + } + + public function escape($data){ + //need to use oci_bind_by_name + return pg_escape_string($this->connection,$data); + } + + public function tables_list() { + $sql = "SELECT table_name FROM information_schema.tables WHERE table_schema = 'public'"; + $res = pg_query($this->connection, $sql); + $tables = array(); + while ($table = pg_fetch_assoc($res)) { + $tables[] = $table['table_name']; + } + return $tables; + } + + public function fields_list($table) { + $sql = "SELECT * FROM information_schema.constraint_column_usage"; + $result = pg_query($this->connection, $sql); + $field = pg_fetch_assoc($result); + $id = $field['column_name']; + + $sql = "SELECT * FROM information_schema.columns WHERE table_name ='".$table."';"; + $result = pg_query($this->connection, $sql); + $fields = array(); + $id = ""; + while ($field = pg_fetch_assoc($result)) { + $fields[] = $field["column_name"]; + } + return array('fields' => $fields, 'key' => $id ); + } +} +?>
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