From 806a5297e7e99d455b97a4f0acaba2f40f470584 Mon Sep 17 00:00:00 2001
From: Urban Müller
Date: Thu, 26 Jul 2007 13:02:24 +0000
Subject: renamed files for autoloader
---
db_record.class | 520 --------------------------------------------------------
1 file changed, 520 deletions(-)
delete mode 100644 db_record.class
(limited to 'db_record.class')
diff --git a/db_record.class b/db_record.class
deleted file mode 100644
index a716117..0000000
--- a/db_record.class
+++ /dev/null
@@ -1,520 +0,0 @@
-table = &$table;
- $this->keyfieldname = $keyfieldname;
-}
-
-
-/**
- * Change active key field
- * @param $keyfieldname Optional name of primary key field, defaults to 'ID'
- */
-function set_key_field($keyfieldname='ID')
-{
- $this->keyfieldname = $keyfieldname;
- $this->key = isset($this->data[$keyfieldname]) ? $this->data[$keyfieldname] : '';
-}
-
-
-/**
- * Select a set of records of this table according to an array of selection
- * and sorting criteria.
- * Use fetch_next() to iterate through the result set
- * Example:
- * $record->select(array('Type' => 'bar', 'Date >=' => '1999-01-01',
- * '-Date <' => 'NOW()', 'User NI' => 'chris'), 'ORDER BY Date');
- *
- * @param $params optional array of fieldname => value tupels.
- * These are ANDed to form a WHERE clause.
- * fieldname can contain an operator (separated by space), the
- * default operator is '='. The special operator 'NI' specifies
- * that the argument must be contained in a comma-separated list.
- *
- * @param $sql Optional SQL addendum added after $params (ORDER BY etc.)
- * @param $fields Optional field list to select (defaults to '*')
- * @return Number of rows that matched this query
- * @see it_db_record::fetch_next, it_db_table::construct_sql_clause
- *
- */
-function select($params='', $sql='', $fields='*')
-{
- $this->handle = $this->table->safe_sql_select($this->table->construct_sql_clause($params, $sql), $fields);
- return $this->table->db->num_rows($this->handle);
-}
-
-
-/**
- * Post-process data after reading a record.
- * This is a stub-function that can be overloaded.
- */
-function _read_post_process()
-{
-}
-
-
-/**
- * Pre-process data before writing a record.
- * This is a stub-function that can be overloaded.
- * @param $tags Reference to update/create tags, can be modified as needed
- */
-function _write_pre_process(&$tags)
-{
-}
-
-
-/**
- * Fetch the next record of a select() query
- * @return true if a record was successfully fetched, false otherwise
- * @see it_db_record::select
- */
-function fetch_next()
-{
- return $this->fetch($this->handle);
-}
-
-
-/**
- * Fetch the next record from an SQL result into this object.
- * If no more records are pending, clear the object's data.
- * @param $sqlresult Result of table::sql_select() or similar
- * @return 1 if a record was successfully fetched, 0 otherwise
- */
-function fetch(&$sqlresult)
-{
- $result = 0;
-
- if ($this->data = $this->table->db->fetch_assoc($sqlresult))
- {
- $this->key = $this->data[$this->keyfieldname];
- $result = 1;
- }
- else
- {
- $this->key = ""; /* "No record is loaded" */
- $this->data = array(); /* Clear local record data */
- }
-
- $this->_read_post_process();
-
- return $result;
-}
-
-
-/**
- * Read a record from table
- * @param $key key field value of the desired row
- * @return 1 on success, 0 otherwise
- */
-function read($key)
-{
- $result = 0;
-
- if ($key != "")
- {
- $result = $this->fetch($this->table->safe_sql_select("WHERE $this->keyfieldname='" . mysql_real_escape_string($key) . "'"));
- }
- else
- {
- $this->key = ""; /* "No record is loaded" */
- $this->data = array(); /* Clear local record data */
- }
-
- $this->_read_post_process();
-
- return $result;
-}
-
-
-/**
- * Create a new record in the table
- * @see it_db_record::record_create, it_db_record::safe_create
- * @param $tags array of Fieldname/Value pairs
- * @param $replace use REPLACE (1) instead of INSERT (otherwise)
- * @return MySQL result (0 means failure)
- */
-function create($tags, $replace=0)
-{
- /* Pre-processing, $tags is passed by reference and may be modified here */
- $this->_write_pre_process($tags);
-
- $sql = $replace ? "REPLACE" : "INSERT";
- $sql .= " INTO " . $this->table->name . " (";
- $sql2 = '';
-
- unset($this->data);
- for ($sep=""; $ti = each($tags); $sep=",")
- {
- /* If the field name starts with '-', the value is taken as raw, no escaping
- is done and no quotes are put around it. */
- if (substr($ti[0], 0, 1) == '-')
- {
- $ti[0] = substr($ti[0], 1); /* Strip that '-' sign */
- $val = $ti[1];
- }
- else
- $val = isset($ti[1]) ? "'".mysql_real_escape_string($ti[1])."'" : 'NULL';
-
- $this->data[$ti[0]] = $ti[1]; /* Store data for later use */
-
- $sql .= $sep . $ti[0];
- $sql2 .= "$sep$val";
- }
-
- $sql .= ") VALUES ($sql2)";
-
- if ($result = $this->table->db->sql_query($sql))
- {
- /* If the key element was not given, it means it's an AUTO_INCREMENT thingy. */
- if (($this->key = $this->data[$this->keyfieldname]) == "")
- {
- $result = $this->table->db->safe_sql_query("SELECT LAST_INSERT_ID()");
- $this->key = mysql_result($result, 0, 0);
- }
-
- /* We need all fields from record, not only those we initialised */
- $this->read($this->key);
- }
-
- return $result;
-}
-
-
-/**
- * Safe version of create (doesn't return in case of failure)
- * @see it_db_record::create, it_db_record::record_create
- * @param $tags array of Fieldname/Value pairs
- * @param $replace use REPLACE (1) instead of INSERT (otherwise)
- * @return MySQL result (0 means failure)
- */
-function safe_create($tags, $replace=0)
-{
- if ($result = $this->create($tags, $replace))
- return $result;
- else
- fail("it_db_record::safe_create() failed: " . $this->table->db->error());
-}
-
-
-/**
- * Update a record in the table
- * @param $tags array of Fieldname/Value pairs
- * @return MySQL result (0 means failure)
- */
-function update($tags)
-{
- /* Pre-processing, $tags is passed by reference and may be modified here */
- $this->_write_pre_process($tags);
-
- if ($this->key == "")
- it::fatal("it_db_record::update(): can't update undefined record");
-
- /* If we have nothing to do, return instead of performing an invalid SQL query */
- if (!count($tags))
- return true;
-
- $sql = "UPDATE " . $this->table->name . " SET ";
-
- for ($sep="", $raw=0; $ti = each($tags); $sep=",")
- {
- /* If the field name starts with '-', the value is taken as raw, no escaping
- is done and no quotes are put around it. */
- if (substr($ti[0], 0, 1) == '-')
- {
- $ti[0] = substr($ti[0], 1); /* Strip that '-' sign */
- $val = $ti[1];
- $raw++;
- }
- else
- $val = "'".mysql_real_escape_string($ti[1])."'";
-
- $sql .= $sep.$ti[0].'='.$val;
-
- if ($ti[0] == $this->key)
- {
- if ($this->data[$this->keyfieldname] != $ti[0])
- it::fatal("$sql: trying to change key from $this->key.");
- }
-
- $this->data[$ti[0]] = $ti[1];
- }
-
- $sql .= " WHERE " . $this->keyfieldname . "='" . mysql_real_escape_string($this->key) . "'";
-
- /* debug("it_db_record::update(): $sql"); */
- $ret = $this->table->db->safe_sql_query($sql);
-
- /* Only re-read record if necessary (for performance), but always do post-processing. */
- if ($raw)
- $this->read($this->key);
- else
- $this->_read_post_process();
-
- return $ret;
-}
-
-
-/**
- * Delete the current record from the database
- * @param $key keyfield value of the record to be deleted. If this is missing, the current record is deleted.
- * @return MySQL result (0 means failure)
- */
-function delete($key="")
-{
- if (!$key) $key = $this->key;
-
- if (($this->table->name == "") || ($this->keyfieldname == "") || ($key == ""))
- it::fatal("it_db_record::delete(): no record\n");
-
- $sql = "DELETE FROM " . $this->table->name . " WHERE ". $this->keyfieldname . "='" . mysql_real_escape_string($key) . "'";
- if ($result = $this->table->db->sql_query($sql))
- {
- $this->key = "";
- $this->data = array();
- }
- return $result;
-}
-
-
-/**
- * Return a field of a record.
- * @param $field field name
- * @return field value. If the field does not exists, issue an
- * error message and terminate program execution.
- */
-function safe_get_field($field)
-{
- if ($field)
- {
- if (isset($this->data[$field]))
- return $this->data[$field];
- else it::fatal("it_db_record::safe_get_field(): field \"$field\" not present in record.");
- }
- else it::fatal("it_db_record::safe_get_field(): empty field name");
-}
-
-
-/**
- * Output all fields of a record in (ugly) html format
- */
-function dump_html()
-{
- echo " Dump of table " . $this->table->name . ", record " . $this->keyfieldname . " = \"" . $this->key . "\":