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<?php
// File procedures.inc.php / ibWebAdmin
// Purpose functions working with stored procedures, 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 <02/10/16 15:53:01 lb>
//
// $Id: procedures.inc.php,v 1.11 2004/03/31 20:03:56 lbrueckner Exp $
//
// create a stored procedure from the values in the procedure form
//
function create_procedure($proceduredefs) {
global $s_login, $isql, $binary_output, $binary_error;
$isql = "SET TERM !! ;\n"
. $proceduredefs['source']."\n"
."SET TERM ; !!\n";
if (DEBUG) add_debug('isql', __FILE__, __LINE__);
// this must be done by isql because 'create procedure' is not supported from within php
list($binary_output, $binary_error) = isql_execute($isql, $s_login['user'], $s_login['password'], $s_login['database'], $s_login['host']);
return ($binary_error != '' || count($binary_output) > 0) ? FALSE : TRUE;
}
//
// recreate a stored procedure
//
function modify_procedure($iname) {
global $HTTP_POST_VARS, $dbhandle;
}
//
// drop the named stored procedure
//
function drop_procedure($name) {
global $dbhandle, $ib_error, $s_procedures;
$lsql = 'DROP PROCEDURE '.$name;
if (!@ibase_query($dbhandle, $lsql)) {
$ib_error = ibase_errmsg();
}
else {
unset($s_procedures[$name]);
}
}
//
// return an array with the properties of the defined procedures
//
function &get_procedures(&$oldprocedures) {
global $dbhandle;
$sql = 'SELECT P.RDB$PROCEDURE_NAME PNAME,'
.' RDB$OWNER_NAME OWNER'
.' FROM RDB$PROCEDURES P'
.' WHERE P.RDB$SYSTEM_FLAG IS NULL'
.' OR P.RDB$SYSTEM_FLAG=0'
.' ORDER BY RDB$PROCEDURE_NAME';
$res = ibase_query($dbhandle, $sql) or ib_error(__FILE__, __LINE__, $sql);
$procs = array();
while ($obj = ibase_fetch_object($res)) {
$pname = trim($obj->PNAME);
$in = $out = array();
$status = 'close';
$source = '';
if (isset($oldprocedures[$pname]) && $oldprocedures[$pname]['status'] == 'open') {
$source = get_procedure_source($pname);
list($in, $out) = get_procedure_parameters($pname);
$status = 'open';
}
$procs[trim($obj->PNAME)] = array('name' => trim($obj->PNAME),
'owner' => trim($obj->OWNER),
'source'=> $source,
'in' => $in,
'out' => $out,
'status'=> $status);
}
ibase_free_result($res);
return $procs;
}
//
// return the sourcecode of the stored procedure $name
//
function get_procedure_source($name) {
global $dbhandle;
$psource = '';
$sql = 'SELECT P.RDB$PROCEDURE_SOURCE PSOURCE'
.' FROM RDB$PROCEDURES P'
." WHERE P.RDB\$PROCEDURE_NAME='".$name."'";
$res = ibase_query($dbhandle, $sql) or ib_error(__FILE__, __LINE__, $sql);
$obj = @ibase_fetch_object($res);
if (is_object($obj)) {
$bid = ibase_blob_open($obj->PSOURCE);
$arr = ibase_blob_info($obj->PSOURCE);
// $arr[2] holds the blob length
$psource = trim(ibase_blob_get($bid, $arr[0]));
ibase_blob_close($bid);
}
ibase_free_result($res);
return $psource;
}
//
// return the input- and result-parameters of the stored procedure $name
//
// Result: array containing two arrays with the datatype properties of
// the stored procedures parameters and return values
function get_procedure_parameters($name) {
global $dbhandle, $s_charsets;
$sql = 'SELECT P.RDB$PARAMETER_NAME PNAME,'
.' P.RDB$PARAMETER_TYPE PTYPE,'
.' F.RDB$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'
.' FROM RDB$PROCEDURE_PARAMETERS P'
.' INNER JOIN RDB$FIELDS F ON P.RDB$FIELD_SOURCE=F.RDB$FIELD_NAME'
." WHERE P.RDB\$PROCEDURE_NAME='".$name."'";
$res = ibase_query($dbhandle, $sql) or ib_error(__FILE__, __LINE__, $sql);
$in = $out = array();
while ($obj = @ibase_fetch_object($res)) {
$ptype = ($obj->PTYPE == 0) ? 'in' : 'out';
$stype = (isset($obj->STYPE)) ? $obj->STYPE : NULL;
$type = get_datatype($obj->FTYPE, $stype);
if (in_array($type, array('DECIMAL', 'NUMERIC'))) {
$prec = $obj->FPREC;
$scale = -$obj->FSCALE;
$stype = NULL;
}
else {
$prec = $scale = NULL;
}
${$ptype}[] = array('name' => trim($obj->PNAME),
'type' => $type,
'stype' => $stype,
'size' => (in_array($type, array('VARCHAR', 'CHARACTER'))) ? $obj->FLEN : NULL,
'charset' => (isset($obj->CHARID)) ? $s_charsets[$obj->CHARID]['name'] : NULL,
'collate' => (isset($obj->COLLID) && $obj->COLLID != 0)
? $s_charsets[$obj->CHARID]['collations'][$obj->COLLID] : NULL,
'prec' => $prec,
'scale' => $scale,
'segsize' => ($type == 'BLOB') ? $obj->SEGLEN : NULL);
}
return array($in, $out);
}
//
// find the name of a procedure in its source code
//
function get_procedure_name($source) {
$chunks = preg_split("/[\s]+/", $source, 4);
return $chunks[2];
}
//
// output the <option> list for a selectlist for the procedures
// of the selected database
//
function build_procedure_options() {
global $s_procedures;
echo "<option>\n";
if (is_array($s_procedures)) {
foreach(array_keys($s_procedures) as $name) {
echo '<option> '.$name."\n";
}
}
}
//
// returns the html for a table displaying the stored procedures parameters or result values
//
// Paremters: array typedefs one of the arrays returned by get_procedure_parameters()
//
function &procedure_parameters($typedefs) {
global $acc_strings;
$str = "<table border cellpadding=\"0\" cellspacing=\"0\">\n"
.' <tr align="left">'
.' <th class="detail">'.$acc_strings['Name']."</th>\n"
.' <th class="detail">'.$acc_strings['Type']."</th>\n"
.' <th class="detail">'.$acc_strings['Size']."</th>\n"
.' <th class="detail">'.$acc_strings['Charset']."</th>\n"
.' <th class="detail">'.$acc_strings['Collate']."</th>\n"
.' <th class="detail">'.$acc_strings['PrecShort']."</th>\n"
.' <th class="detail">'.$acc_strings['Scale']."</th>\n"
.' <th class="detail">'.$acc_strings['Subtype']."</th>\n"
.' <th class="detail">'.$acc_strings['SegSiShort']."</th>\n"
." </tr>\n";
foreach ($typedefs as $def) {
$str .= " <tr>\n"
.' <td class="detail">' . $def['name'] ."</td>\n"
.' <td class="detail">' . $def['type'] ."</td>\n"
.' <td class="detail">' . ((isset($def['size'])) ? $def['size'] : ' ') ."</td>\n"
.' <td class="detail">' . ((isset($def['charset'])) ? $def['charset'] : ' ') ."</td>\n"
.' <td class="detail">' . ((isset($def['collate'])) ? $def['collate'] : ' ') ."</td>\n"
.' <td class="detail">' . ((isset($def['prec'])) ? $def['prec'] : ' ') ."</td>\n"
.' <td class="detail">' . ((isset($def['scale'])) ? $def['scale'] : ' ') ."</td>\n"
.' <td class="detail">' . ((isset($def['stype'])) ? $def['stype'] : ' ') ."</td>\n"
.' <td class="detail">' . ((isset($def['segsize'])) ? $def['segsize'] : ' ') ."</td>\n"
." </tr>\n";
}
$str .= "</table>\n";
return $str;
}
//
// output a html-table with a form to define/modify a stored procedure
//
// Parameters: $indexname name of the index to modify
// $title headline-string for the table
//
function procedure_definition($title, $pname=NULL) {
global $s_proceduredefs, $HTTP_POST_VARS, $acc_strings, $s_cust;
if (isset($HTTP_POST_VARS['def_proc_source'])) {
$psource = $HTTP_POST_VARS['def_proc_source'];
}
else {
$psource = isset($s_proceduredefs['source']) ? $s_proceduredefs['source'] : '';
}
?>
<table border cellpadding="3" cellspacing="0">
<tr>
<th align="left"><?php echo $title; ?></th>
</tr>
<tr>
<td>
<b><?php echo $acc_strings['Source']; ?></b><br>
<textarea name="def_proc_source" rows="<?php echo $s_cust['textarea']['rows']; ?>" cols="<?php echo $s_cust['textarea']['cols']; ?>" wrap="virtual"><?php echo $psource; ?></textarea>
</td>
</table>
<?php
}
//
// deliver the html for an opened view on the views panel
//
function &get_opened_procedure($name, $procedure, $url) {
global $dbhandle, $red_triangle_icon, $tb_strings, $acc_strings, $ptitle_strings;
$in = $out = '';
$in_start = $out_start = $src_start = '';
$rowspan = 1;
if (count($procedure['in']) > 0) {
$in = procedure_parameters($procedure['in']);
$out_start = $src_start = "<tr>\n";
$rowspan++;
}
if (count($procedure['out']) > 0) {
$out = procedure_parameters($procedure['out']);
$src_start = "<tr>\n";
$rowspan++;
}
$html = <<<EOT
<nobr>
<a href="$url"><img src="$red_triangle_icon" alt="${ptitle_strings['Close']}" title="${ptitle_strings['Close']}" border="0" hspace="7"></a><b>$name</b>
</nobr>
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td width="26" rowspan="$rowspan">
</td>
EOT;
if (!empty($in)) {
$html .=<<<EOT
<td>
<table border cellpadding="3" cellspacing="0">
<tr>
<th align="left">${acc_strings['Param']}</th>
</tr>
<tr>
<td valign="top">$in</td>
</tr>
</table>
</td>
</tr>
EOT;
}
if (!empty($out)) {
$html .=<<<EOT
$out_start
<td>
<table border cellpadding="3" cellspacing="0">
<tr>
<th align="left">${acc_strings['Return']}</th>
</tr>
<tr>
<td valign="top">$out</td>
</tr>
</table>
</td>
</tr>
EOT;
}
$html .= <<<EOT
$src_start
<td>
<table border cellpadding="3" cellspacing="0">
<tr>
<th align="left">${acc_strings['Source']}</th>
</tr>
<tr>
<td valign="top"><pre>${procedure['source']}</pre></td>
</tr>
</table>
</td>
</tr>
</table>
EOT;
return $html;
}
//
// mark all procedures as opened or closed in $s_procedures
//
function &toggle_all_procedures(&$procedures, $status) {
foreach (array_keys($procedures) as $name) {
$procedures[$name]['status'] = $status;
if ($status == 'open' && empty($procedures[$name]['source'])) {
$procedures[$name]['source'] = get_procedure_source($name);
list($in, $out) = get_procedure_parameters($name);
$procedures[$name]['in'] = $in;
$procedures[$name]['out'] = $out;
}
}
return $procedures;
}
//
// build the source code for modifying the sp described in $procedure
//
function procedure_modify_source($procedure) {
$source = 'ALTER PROCEDURE '.$procedure['name'].procedure_parameter_list($procedure['in'])."\n"
.procedure_return_list($procedure['out'])
."AS\n"
.$procedure['source'].' !!';
return $source;
}
function procedure_parameter_list($in) {
if (count($in) == 0) {
return '';
}
$list = ' (';
foreach ($in as $parameter) {
$list .= $parameter['name'].' '.build_datatype($parameter).', ';
}
$list = substr($list, 0, -2).')';
return $list;
}
function procedure_return_list($out) {
if (count($out) == 0) {
return '';
}
$list = 'RETURNS (';
foreach ($out as $parameter) {
$list .= $parameter['name'].' '.build_datatype($parameter).', ';
}
$list = substr($list, 0, -2).")\n";
return $list;
}
?>
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