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Two new functions added: add_field() and drop_field()

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stronk7 2006-09-12 22:23:00 +00:00
parent 12bda5832f
commit f521d32b71
1 changed files with 65 additions and 3 deletions
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68
lib/ddllib.php
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@ -244,7 +244,7 @@ function table_column($table, $oldfield, $field, $type='integer', $size='10',
* SQL statements, specific for each RDBMS ($CFG->dbtype) and, finally, it
* will execute all those statements against the DB.
*
* @uses $CFG
* @uses $CFG, $db
* @param $file full path to the XML file to be used
* @return boolean (true on success, false on error)
*/
@ -279,7 +279,8 @@ function install_from_xmldb_file($file) {
* This function will create the table passed as argument with all its
* fields/keys/indexes/sequences, everything based in the XMLDB object
*
* @param XMLDBtable table object containing all the table info
* @uses $CFG, $db
* @param XMLDBTable table object (full specs are required)
* @param boolean continue to specify if must continue on error (true) or stop (false)
* @param boolean feedback to specify to show status info (true) or not (false)
* @return boolean true on success, false on error
@ -306,7 +307,8 @@ function create_table($table, $continue=true, $feedback=true) {
* and all the associated objects (keys, indexes, constaints, sequences, triggers)
* will be dropped too.
*
* @param XMLDBtable table object containing the basic table info
* @uses $CFG, $db
* @param XMLDBTable table object (just the name is mandatory)
* @param boolean continue to specify if must continue on error (true) or stop (false)
* @param boolean feedback to specify to show status info (true) or not (false)
* @return boolean true on success, false on error
@ -328,4 +330,64 @@ function drop_table($table, $continue=true, $feedback=true) {
return execute_sql_arr($sqlarr, $continue, $feedback);
}
/**
* This function will add the field to the table passed as arguments
*
* @uses $CFG, $db
* @param XMLDBTable table object (just the name is mandatory)
* @param XMLDBField field object (full specs are required)
* @param boolean continue to specify if must continue on error (true) or stop (false)
* @param boolean feedback to specify to show status info (true) or not (false)
* @return boolean true on success, false on error
*/
function add_field($table, $field, $continue=true, $feedback=true) {
global $CFG, $db;
$status = true;
if (strtolower(get_class($table)) != 'xmldbtable') {
return false;
}
if (strtolower(get_class($field)) != 'xmldbfield') {
return false;
}
if(!$sqlarr = $table->getAddFieldSQL($CFG->dbtype, $CFG->prefix, $field, false)) {
return false;
}
return execute_sql_arr($sqlarr, $continue, $feedback);
}
/**
* This function will drop the field from the table passed as arguments
*
* @uses $CFG, $db
* @param XMLDBTable table object (just the name is mandatory)
* @param XMLDBField field object (just the name is mandatory)
* @param boolean continue to specify if must continue on error (true) or stop (false)
* @param boolean feedback to specify to show status info (true) or not (false)
* @return boolean true on success, false on error
*/
function drop_field($table, $field, $continue=true, $feedback=true) {
global $CFG, $db;
$status = true;
if (strtolower(get_class($table)) != 'xmldbtable') {
return false;
}
if (strtolower(get_class($field)) != 'xmldbfield') {
return false;
}
if(!$sqlarr = $table->getDropFieldSQL($CFG->dbtype, $CFG->prefix, $field, false)) {
return false;
}
return execute_sql_arr($sqlarr, $continue, $feedback);
}
?>