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