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<?php
// File domains.inc.php / ibWebAdmin
// Purpose functions working with domains, included from accessories.php
// Author Lutz Brueckner <irie@gmx.de>
// Copyright (c) 2000, 2001, 2002, 2003, 2004 by Lutz Brueckner,
// published under the terms of the GNU General Public Licence v.2,
// see file LICENCE for details
// Created <03/01/28 20:46:12 lb>
//
// $Id: domains.inc.php,v 1.8 2004/04/22 19:05:38 lbrueckner Exp $
//
// get the properties of all defined domains
//
function get_domain_definitions(&$olddomains){
global $dbhandle;
global $s_charsets;
$sql = 'SELECT F.RDB$FIELD_NAME AS DNAME,'
.' F.RDB$FIELD_TYPE AS FTYPE,'
.' F.RDB$FIELD_SUB_TYPE AS STYPE,'
.' F.RDB$FIELD_LENGTH AS FLEN,'
.' F.RDB$FIELD_PRECISION AS FPREC,'
.' F.RDB$FIELD_SCALE AS FSCALE,'
.' F.RDB$SEGMENT_LENGTH AS SEGLEN,'
.' F.RDB$CHARACTER_SET_ID AS CHARID,'
.' F.RDB$COLLATION_ID AS COLLID,'
.' F.RDB$NULL_FLAG AS NFLAG,'
.' F.RDB$DEFAULT_SOURCE AS DSOURCE,'
.' F.RDB$VALIDATION_SOURCE AS VSOURCE'
.' FROM RDB$FIELDS F '
.' WHERE (RDB$SYSTEM_FLAG=0 OR RDB$SYSTEM_FLAG IS NULL)'
." AND RDB\$FIELD_NAME NOT STARTING WITH 'RDB\$'"
.' ORDER BY F.RDB$FIELD_NAME';
$res = ibase_query($dbhandle, $sql) or ib_error(__FILE__, __LINE__, $sql);
$domains = array();
while ($obj = ibase_fetch_object($res)) {
$dname = trim($obj->DNAME);
$stype = (isset($obj->STYPE)) ? $obj->STYPE : 0;
$domains[$dname]['type'] = get_datatype($obj->FTYPE, $stype);
if ($stype != 0) {
$domains[$dname]['stype'] = $stype;
}
if ($domains[$dname]['type'] == 'VARCHAR' || $domains[$dname]['type'] == 'CHARACTER') {
$domains[$dname]['size'] = $obj->FLEN;
}
if (isset($obj->CHARID)) {
$domains[$dname]['charset'] = $s_charsets[$obj->CHARID]['name'];
}
$domains[$dname]['collate'] = (isset($obj->COLLID) && $obj->COLLID != 0)
? $s_charsets[$obj->CHARID]['collations'][$obj->COLLID]
: NULL;
if ($domains[$dname]['type'] == 'DECIMAL' || $domains[$dname]['type'] == 'NUMERIC') {
$domains[$dname]['prec'] = $obj->FPREC;
$domains[$dname]['scale'] = -($obj->FSCALE);
}
if ($domains[$dname]['type'] == 'BLOB') {
$domains[$dname]['segsize'] = $obj->SEGLEN;
}
$domains[$dname]['notnull'] = (isset($obj->NFLAG) && !empty($obj->NFLAG)) ? TRUE : FALSE;
$domains[$dname]['default'] = (isset($obj->DSOURCE) && !empty($obj->DSOURCE))
? get_domain_default($dname)
: '';
$domains[$dname]['check'] = (isset($obj->VSOURCE) && !empty($obj->VSOURCE))
? get_domain_check($dname)
: '';
$domains[$dname]['status'] = (isset($olddomains[$dname])) ? $olddomains[$dname]['status'] : 'close';
}
ibase_free_result($res);
return $domains;
}
function get_domain_default($dname) {
return substr(get_blob_content('SELECT RDB$DEFAULT_SOURCE'
.' FROM RDB$FIELDS'
." WHERE RDB\$FIELD_NAME='".$dname."'"), 8);
}
function get_domain_check($dname) {
return substr(get_blob_content('SELECT RDB$VALIDATION_SOURCE'
.' FROM RDB$FIELDS'
." WHERE RDB\$FIELD_NAME='".$dname."'"), 6);
}
//
// create a domain from the values in $domdefs
//
function create_domain($domdefs) {
global $dbhandle, $lsql, $ib_error;
$check_str = '';
if (!empty($domdefs['check'])) {
$check_str = stristr($domdefs['check'], 'VALUE') === FALSE && stristr($domdefs['check'], 'NOT') === FALSE
? ' CHECK (VALUE ' . $domdefs['check'] . ')'
: ' CHECK (' . $domdefs['check'] . ')';
}
$lsql = 'CREATE DOMAIN ' . $domdefs['name'] . ' AS ' . build_datatype($domdefs, 'domain')
. (!empty($domdefs['default']) ? ' DEFAULT ' . $domdefs['default'] : '')
. ($domdefs['notnull'] == 'yes' ? ' NOT NULL' : '')
. $check_str
. (!empty($domdefs['collate']) ? ' COLLATE ' . $domdefs['collate'] : '');
if (DEBUG) add_debug('lsql', __FILE__, __LINE__);
if (!@ibase_query($dbhandle, $lsql)) {
$ib_error = ibase_errmsg();
return FALSE;
}
return TRUE;
}
//
// drop the domain $name off the database
//
function drop_domain($name) {
global $s_domains, $dbhandle, $ib_error;
$lsql = 'DROP DOMAIN '.$name;
if (DEBUG) add_debug('lsql', __FILE__, __LINE__);
if (!@ibase_query($dbhandle, $lsql)) {
$ib_error = ibase_errmsg();
}
else {
unset($s_domains[$name]);
}
}
//
// execute sql to modify a domain
//
function modify_domain($olddef, $domdef) {
global $dbhandle, $ib_error;
$lsql = array();
if ($domdef['name'] != $olddef['name']) {
$lsql[] = 'ALTER DOMAIN ' . $olddef['name'] . ' TO ' . $domdef['name'];
}
if (datatype_is_modified($olddef, $domdef)) {
$lsql[] = 'ALTER DOMAIN ' . $domdef['name'] . ' TYPE ' . build_datatype($domdef);
}
if (isset($olddef['default']) && empty($domdef['default'])) {
$lsql[] = 'ALTER DOMAIN ' . $domdef['name'] . ' DROP DEFAULT';
}
if (isset($olddef['default'])
&& !empty($domdef['default']) && $olddef['default'] != $domdef['default']) {
$lsql[] = 'ALTER DOMAIN ' . $domdef['name'] . ' SET DEFAULT ' . $domdef['default'];
}
if ((isset($olddef['check']) && !empty($olddef['check']))
&& (empty($domdef['check']) || $olddef['check'] != $domdef['check'])) {
$lsql[] = 'ALTER DOMAIN ' . $domdef['name'] . ' DROP CONSTRAINT';
}
if (isset($olddef['check']) && $olddef['check'] != $domdef['check']) {
$lsql[] = 'ALTER DOMAIN ' . $domdef['name'] . ' ADD CHECK ' . $domdef['check'];
}
foreach ($lsql as $sql) {
if (!@ibase_query($dbhandle, $sql)) {
$ib_error = ibase_errmsg() . "<br>\n>";
return FALSE;
}
}
return TRUE;
}
//
// return the html displaying the domain details in a table
//
function &get_domain_table(&$domains) {
global $HTTP_SERVER_VARS, $acc_strings, $tb_strings;
$html = "<table cellpadding=\"0\" cellspacing=\"0\" border>\n"
." <tr align=\"left\">\n"
.' <th class="detail">'.$acc_strings['Name']."</th>\n"
.' <th class="detail">'.$acc_strings['Type']."</a></th>\n"
.' <th class="detail">'.$acc_strings['Charset']."</th>\n"
.' <th class="detail">'.$acc_strings['Collate']."</th>\n"
.' <th class="detail">'.$acc_strings['Subtype']."</th>\n"
.' <th class="detail">'.$acc_strings['SegSiShort']."</th>\n"
.' <th class="detail">'.$tb_strings['NotNull']."</th>\n"
.' <th class="detail">'.$tb_strings['Default']."</th>\n"
.' <th class="detail">'.$tb_strings['Check']."</th>\n"
." </tr>\n";
foreach($domains as $dname => $domain) {
$type_str = get_type_string($domain);
$char_str = (isset($domain['charset']) && !empty($domain['charset'])) ? $domain['charset'] : ' ';
$coll_str = (isset($domain['collate']) && !empty($domain['collate'])) ? $domain['collate'] : ' ';
$stype_str = (isset($domain['stype']) && !empty($domain['stype'])) ? $domain['stype'] : ' ';
$segs_str = (isset($domain['segsize']) && !empty($domain['segsize'])) ? $domain['segsize'] : ' ';
$null_str = ($domain['notnull'] === TRUE) ? $acc_strings['Yes'] : ' ';
$def_str = (!empty($domain['default'])) ? $domain['default'] : ' ';
$chk_str = (!empty($domain['check'])) ? $domain['check'] : ' ';
$html .= " <tr>\n"
.' <td class="detail">'.$dname."</td>\n"
.' <td class="detail">'.$type_str."</td>\n"
.' <td class="detail">'.$char_str."</td>\n"
.' <td class="detail">'.$coll_str."</td>\n"
.' <td class="detail" align="right">'.$stype_str."</td>\n"
.' <td class="detail" align="right">'.$segs_str."</td>\n"
.' <td class="detail" align="center">'.$null_str."</td>\n"
.' <td class="detail">'.$def_str."</td>\n"
.' <td class="detail">'.$chk_str."</td>\n"
." </tr>\n";
}
$html .= "</table>\n";
return $html;
}
//
// return the html for the constraint elements of a domain definition form
//
function get_domain_constraint($domdefs, $notnull=TRUE) {
global $tb_strings;
$nn_checkbox = $notnull == TRUE
? ' <b>'.$tb_strings['NotNull']."</b><br>\n"
.' <input type="checkbox" name="cd_def_notnull" value ="yes"'.($domdefs['notnull'] == 'yes' ? ' checked' : '').'>'."\n"
: ' ';
return " <tr>\n"
." <td colspan=\"3\">\n"
.' <b>'.$tb_strings['Default']."</b><br>\n"
.' <input type="text" size="45" maxlength="256" name="cd_def_default" value ="'.$domdefs['default']."\">\n"
." </td>\n"
." <td colspan=\"5\">\n"
.' <b>'.$tb_strings['Check']."</b><br>\n"
.' <input type="text" size="55" maxlength="256" name="cd_def_check" value ="'.$domdefs['check']."\">\n"
." </td>\n"
." <td align=\"center\">\n"
. $nn_checkbox
." </td>\n"
." </tr>\n";
}
?>
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