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authoralecpl <alec@alec.pl>2008-05-12 12:19:32 +0000
committeralecpl <alec@alec.pl>2008-05-12 12:19:32 +0000
commite5deaae52880e7ddb7efab0b190e5f5c750f55c4 (patch)
treef3a45e99480c5818dde1f939fc75e11bce8bb3d5 /program/lib/DB/pgsql.php
parenta6f90e1b2bea6602f7056986ee8dbd59afeee90c (diff)
- Updated PEAR::DB package to version 1.7.13
Diffstat (limited to 'program/lib/DB/pgsql.php')
-rw-r--r--program/lib/DB/pgsql.php131
1 files changed, 75 insertions, 56 deletions
diff --git a/program/lib/DB/pgsql.php b/program/lib/DB/pgsql.php
index ae229afa1..fc3762a65 100644
--- a/program/lib/DB/pgsql.php
+++ b/program/lib/DB/pgsql.php
@@ -19,7 +19,7 @@
* @author Rui Hirokawa <hirokawa@php.net>
* @author Stig Bakken <ssb@php.net>
* @author Daniel Convissor <danielc@php.net>
- * @copyright 1997-2005 The PHP Group
+ * @copyright 1997-2007 The PHP Group
* @license http://www.php.net/license/3_0.txt PHP License 3.0
* @version CVS: $Id$
* @link http://pear.php.net/package/DB
@@ -41,9 +41,9 @@ require_once 'DB/common.php';
* @author Rui Hirokawa <hirokawa@php.net>
* @author Stig Bakken <ssb@php.net>
* @author Daniel Convissor <danielc@php.net>
- * @copyright 1997-2005 The PHP Group
+ * @copyright 1997-2007 The PHP Group
* @license http://www.php.net/license/3_0.txt PHP License 3.0
- * @version Release: @package_version@
+ * @version Release: 1.7.13
* @link http://pear.php.net/package/DB
*/
class DB_pgsql extends DB_common
@@ -193,7 +193,7 @@ class DB_pgsql extends DB_common
* 'portability' => DB_PORTABILITY_ALL,
* );
*
- * $db =& DB::connect($dsn, $options);
+ * $db = DB::connect($dsn, $options);
* if (PEAR::isError($db)) {
* die($db->getMessage());
* }
@@ -277,10 +277,10 @@ class DB_pgsql extends DB_common
$this->connection = @call_user_func_array($connect_function,
$params);
} else {
- ini_set('track_errors', 1);
+ @ini_set('track_errors', 1);
$this->connection = @call_user_func_array($connect_function,
$params);
- ini_set('track_errors', $ini);
+ @ini_set('track_errors', $ini);
}
if (!$this->connection) {
@@ -320,7 +320,7 @@ class DB_pgsql extends DB_common
*/
function simpleQuery($query)
{
- $ismanip = DB::isManip($query);
+ $ismanip = $this->_checkManip($query);
$this->last_query = $query;
$query = $this->modifyQuery($query);
if (!$this->autocommit && $ismanip) {
@@ -336,19 +336,26 @@ class DB_pgsql extends DB_common
if (!$result) {
return $this->pgsqlRaiseError();
}
- // Determine which queries that should return data, and which
- // should return an error code only.
+
+ /*
+ * Determine whether queries produce affected rows, result or nothing.
+ *
+ * This logic was introduced in version 1.1 of the file by ssb,
+ * though the regex has been modified slightly since then.
+ *
+ * PostgreSQL commands:
+ * ABORT, ALTER, BEGIN, CLOSE, CLUSTER, COMMIT, COPY,
+ * CREATE, DECLARE, DELETE, DROP TABLE, EXPLAIN, FETCH,
+ * GRANT, INSERT, LISTEN, LOAD, LOCK, MOVE, NOTIFY, RESET,
+ * REVOKE, ROLLBACK, SELECT, SELECT INTO, SET, SHOW,
+ * UNLISTEN, UPDATE, VACUUM
+ */
if ($ismanip) {
$this->affected = @pg_affected_rows($result);
return DB_OK;
- } elseif (preg_match('/^\s*\(*\s*(SELECT|EXPLAIN|SHOW)\s/si', $query)) {
- /* PostgreSQL commands:
- ABORT, ALTER, BEGIN, CLOSE, CLUSTER, COMMIT, COPY,
- CREATE, DECLARE, DELETE, DROP TABLE, EXPLAIN, FETCH,
- GRANT, INSERT, LISTEN, LOAD, LOCK, MOVE, NOTIFY, RESET,
- REVOKE, ROLLBACK, SELECT, SELECT INTO, SET, SHOW,
- UNLISTEN, UPDATE, VACUUM
- */
+ } elseif (preg_match('/^\s*\(*\s*(SELECT|EXPLAIN|FETCH|SHOW)\s/si',
+ $query))
+ {
$this->row[(int)$result] = 0; // reset the row counter.
$numrows = $this->numRows($result);
if (is_object($numrows)) {
@@ -471,38 +478,21 @@ class DB_pgsql extends DB_common
}
// }}}
- // {{{ quoteSmart()
+ // {{{ quoteBoolean()
/**
- * Formats input so it can be safely used in a query
- *
- * @param mixed $in the data to be formatted
- *
- * @return mixed the formatted data. The format depends on the input's
- * PHP type:
- * + null = the string <samp>NULL</samp>
- * + boolean = string <samp>TRUE</samp> or <samp>FALSE</samp>
- * + integer or double = the unquoted number
- * + other (including strings and numeric strings) =
- * the data escaped according to MySQL's settings
- * then encapsulated between single quotes
+ * Formats a boolean value for use within a query in a locale-independent
+ * manner.
*
+ * @param boolean the boolean value to be quoted.
+ * @return string the quoted string.
* @see DB_common::quoteSmart()
- * @since Method available since Release 1.6.0
+ * @since Method available since release 1.7.8.
*/
- function quoteSmart($in)
- {
- if (is_int($in) || is_double($in)) {
- return $in;
- } elseif (is_bool($in)) {
- return $in ? 'TRUE' : 'FALSE';
- } elseif (is_null($in)) {
- return 'NULL';
- } else {
- return "'" . $this->escapeSimple($in) . "'";
- }
+ function quoteBoolean($boolean) {
+ return $boolean ? 'TRUE' : 'FALSE';
}
-
+
// }}}
// {{{ escapeSimple()
@@ -512,9 +502,6 @@ class DB_pgsql extends DB_common
* {@internal PostgreSQL treats a backslash as an escape character,
* so they are escaped as well.
*
- * Not using pg_escape_string() yet because it requires PostgreSQL
- * to be at version 7.2 or greater.}}
- *
* @param string $str the string to be escaped
*
* @return string the escaped string
@@ -524,7 +511,21 @@ class DB_pgsql extends DB_common
*/
function escapeSimple($str)
{
- return str_replace("'", "''", str_replace('\\', '\\\\', $str));
+ if (function_exists('pg_escape_string')) {
+ /* This fixes an undocumented BC break in PHP 5.2.0 which changed
+ * the prototype of pg_escape_string. I'm not thrilled about having
+ * to sniff the PHP version, quite frankly, but it's the only way
+ * to deal with the problem. Revision 1.331.2.13.2.10 on
+ * php-src/ext/pgsql/pgsql.c (PHP_5_2 branch) is to blame, for the
+ * record. */
+ if (version_compare(PHP_VERSION, '5.2.0', '>=')) {
+ return pg_escape_string($this->connection, $str);
+ } else {
+ return pg_escape_string($str);
+ }
+ } else {
+ return str_replace("'", "''", str_replace('\\', '\\\\', $str));
+ }
}
// }}}
@@ -675,7 +676,7 @@ class DB_pgsql extends DB_common
$repeat = false;
do {
$this->pushErrorHandling(PEAR_ERROR_RETURN);
- $result =& $this->query("SELECT NEXTVAL('${seqname}')");
+ $result = $this->query("SELECT NEXTVAL('${seqname}')");
$this->popErrorHandling();
if ($ondemand && DB::isError($result) &&
$result->getCode() == DB_ERROR_NOSUCHTABLE) {
@@ -779,6 +780,10 @@ class DB_pgsql extends DB_common
function pgsqlRaiseError($errno = null)
{
$native = $this->errorNative();
+ if (!$native) {
+ $native = 'Database connection has been lost.';
+ $errno = DB_ERROR_CONNECT_FAILED;
+ }
if ($errno === null) {
$errno = $this->errorCode($native);
}
@@ -815,12 +820,12 @@ class DB_pgsql extends DB_common
static $error_regexps;
if (!isset($error_regexps)) {
$error_regexps = array(
+ '/column .* (of relation .*)?does not exist/i'
+ => DB_ERROR_NOSUCHFIELD,
'/(relation|sequence|table).*does not exist|class .* not found/i'
=> DB_ERROR_NOSUCHTABLE,
'/index .* does not exist/'
=> DB_ERROR_NOT_FOUND,
- '/column .* does not exist/i'
- => DB_ERROR_NOSUCHFIELD,
'/relation .* already exists/i'
=> DB_ERROR_ALREADY_EXISTS,
'/(divide|division) by zero$/i'
@@ -976,22 +981,33 @@ class DB_pgsql extends DB_common
{
$field_name = @pg_fieldname($resource, $num_field);
+ // Check if there's a schema in $table_name and update things
+ // accordingly.
+ $from = 'pg_attribute f, pg_class tab, pg_type typ';
+ if (strpos($table_name, '.') !== false) {
+ $from .= ', pg_namespace nsp';
+ list($schema, $table) = explode('.', $table_name);
+ $tableWhere = "tab.relname = '$table' AND tab.relnamespace = nsp.oid AND nsp.nspname = '$schema'";
+ } else {
+ $tableWhere = "tab.relname = '$table_name'";
+ }
+
$result = @pg_exec($this->connection, "SELECT f.attnotnull, f.atthasdef
- FROM pg_attribute f, pg_class tab, pg_type typ
+ FROM $from
WHERE tab.relname = typ.typname
AND typ.typrelid = f.attrelid
AND f.attname = '$field_name'
- AND tab.relname = '$table_name'");
+ AND $tableWhere");
if (@pg_numrows($result) > 0) {
$row = @pg_fetch_row($result, 0);
$flags = ($row[0] == 't') ? 'not_null ' : '';
if ($row[1] == 't') {
$result = @pg_exec($this->connection, "SELECT a.adsrc
- FROM pg_attribute f, pg_class tab, pg_type typ, pg_attrdef a
+ FROM $from, pg_attrdef a
WHERE tab.relname = typ.typname AND typ.typrelid = f.attrelid
AND f.attrelid = a.adrelid AND f.attname = '$field_name'
- AND tab.relname = '$table_name' AND f.attnum = a.adnum");
+ AND $tableWhere AND f.attnum = a.adnum");
$row = @pg_fetch_row($result, 0);
$num = preg_replace("/'(.*)'::\w+/", "\\1", $row[0]);
$flags .= 'default_' . rawurlencode($num) . ' ';
@@ -1000,12 +1016,12 @@ class DB_pgsql extends DB_common
$flags = '';
}
$result = @pg_exec($this->connection, "SELECT i.indisunique, i.indisprimary, i.indkey
- FROM pg_attribute f, pg_class tab, pg_type typ, pg_index i
+ FROM $from, pg_index i
WHERE tab.relname = typ.typname
AND typ.typrelid = f.attrelid
AND f.attrelid = i.indrelid
AND f.attname = '$field_name'
- AND tab.relname = '$table_name'");
+ AND $tableWhere");
$count = @pg_numrows($result);
for ($i = 0; $i < $count ; $i++) {
@@ -1066,6 +1082,9 @@ class DB_pgsql extends DB_common
. ' FROM pg_catalog.pg_tables'
. ' WHERE schemaname NOT IN'
. " ('pg_catalog', 'information_schema', 'pg_toast')";
+ case 'schema.views':
+ return "SELECT schemaname || '.' || viewname from pg_views WHERE schemaname"
+ . " NOT IN ('information_schema', 'pg_catalog')";
case 'views':
// Table cols: viewname | viewowner | definition
return 'SELECT viewname from pg_views WHERE schemaname'