summaryrefslogtreecommitdiffstats
path: root/library/vendor/Zend/Db/Adapter/Pdo/Ibm/Ids.php
diff options
context:
space:
mode:
Diffstat (limited to 'library/vendor/Zend/Db/Adapter/Pdo/Ibm/Ids.php')
-rw-r--r--library/vendor/Zend/Db/Adapter/Pdo/Ibm/Ids.php297
1 files changed, 297 insertions, 0 deletions
diff --git a/library/vendor/Zend/Db/Adapter/Pdo/Ibm/Ids.php b/library/vendor/Zend/Db/Adapter/Pdo/Ibm/Ids.php
new file mode 100644
index 0000000..eeec43f
--- /dev/null
+++ b/library/vendor/Zend/Db/Adapter/Pdo/Ibm/Ids.php
@@ -0,0 +1,297 @@
+<?php
+/**
+ * Zend Framework
+ *
+ * LICENSE
+ *
+ * This source file is subject to the new BSD license that is bundled
+ * with this package in the file LICENSE.txt.
+ * It is also available through the world-wide-web at this URL:
+ * http://framework.zend.com/license/new-bsd
+ * If you did not receive a copy of the license and are unable to
+ * obtain it through the world-wide-web, please send an email
+ * to license@zend.com so we can send you a copy immediately.
+ *
+ * @category Zend
+ * @package Zend_Db
+ * @subpackage Adapter
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license http://framework.zend.com/license/new-bsd New BSD License
+ * @version $Id$
+ */
+
+
+/** @see Zend_Db_Adapter_Pdo_Ibm */
+
+/** @see Zend_Db_Statement_Pdo_Ibm */
+
+
+/**
+ * @category Zend
+ * @package Zend_Db
+ * @subpackage Adapter
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license http://framework.zend.com/license/new-bsd New BSD License
+ */
+class Zend_Db_Adapter_Pdo_Ibm_Ids
+{
+ /**
+ * @var Zend_Db_Adapter_Abstract
+ */
+ protected $_adapter = null;
+
+ /**
+ * Construct the data server class.
+ *
+ * It will be used to generate non-generic SQL
+ * for a particular data server
+ *
+ * @param Zend_Db_Adapter_Abstract $adapter
+ */
+ public function __construct($adapter)
+ {
+ $this->_adapter = $adapter;
+ }
+
+ /**
+ * Returns a list of the tables in the database.
+ *
+ * @return array
+ */
+ public function listTables()
+ {
+ $sql = "SELECT tabname "
+ . "FROM systables ";
+
+ return $this->_adapter->fetchCol($sql);
+ }
+
+ /**
+ * IDS catalog lookup for describe table
+ *
+ * @param string $tableName
+ * @param string $schemaName OPTIONAL
+ * @return array
+ */
+ public function describeTable($tableName, $schemaName = null)
+ {
+ // this is still a work in progress
+
+ $sql= "SELECT DISTINCT t.owner, t.tabname, c.colname, c.colno, c.coltype,
+ d.default, c.collength, t.tabid
+ FROM syscolumns c
+ JOIN systables t ON c.tabid = t.tabid
+ LEFT JOIN sysdefaults d ON c.tabid = d.tabid AND c.colno = d.colno
+ WHERE "
+ . $this->_adapter->quoteInto('UPPER(t.tabname) = UPPER(?)', $tableName);
+ if ($schemaName) {
+ $sql .= $this->_adapter->quoteInto(' AND UPPER(t.owner) = UPPER(?)', $schemaName);
+ }
+ $sql .= " ORDER BY c.colno";
+
+ $desc = array();
+ $stmt = $this->_adapter->query($sql);
+
+ $result = $stmt->fetchAll(Zend_Db::FETCH_NUM);
+
+ /**
+ * The ordering of columns is defined by the query so we can map
+ * to variables to improve readability
+ */
+ $tabschema = 0;
+ $tabname = 1;
+ $colname = 2;
+ $colno = 3;
+ $typename = 4;
+ $default = 5;
+ $length = 6;
+ $tabid = 7;
+
+ $primaryCols = null;
+
+ foreach ($result as $key => $row) {
+ $primary = false;
+ $primaryPosition = null;
+
+ if (!$primaryCols) {
+ $primaryCols = $this->_getPrimaryInfo($row[$tabid]);
+ }
+
+ if (array_key_exists($row[$colno], $primaryCols)) {
+ $primary = true;
+ $primaryPosition = $primaryCols[$row[$colno]];
+ }
+
+ $identity = false;
+ if ($row[$typename] == 6 + 256 ||
+ $row[$typename] == 18 + 256) {
+ $identity = true;
+ }
+
+ $desc[$this->_adapter->foldCase($row[$colname])] = array (
+ 'SCHEMA_NAME' => $this->_adapter->foldCase($row[$tabschema]),
+ 'TABLE_NAME' => $this->_adapter->foldCase($row[$tabname]),
+ 'COLUMN_NAME' => $this->_adapter->foldCase($row[$colname]),
+ 'COLUMN_POSITION' => $row[$colno],
+ 'DATA_TYPE' => $this->_getDataType($row[$typename]),
+ 'DEFAULT' => $row[$default],
+ 'NULLABLE' => (bool) !($row[$typename] - 256 >= 0),
+ 'LENGTH' => $row[$length],
+ 'SCALE' => ($row[$typename] == 5 ? $row[$length]&255 : 0),
+ 'PRECISION' => ($row[$typename] == 5 ? (int)($row[$length]/256) : 0),
+ 'UNSIGNED' => false,
+ 'PRIMARY' => $primary,
+ 'PRIMARY_POSITION' => $primaryPosition,
+ 'IDENTITY' => $identity
+ );
+ }
+
+ return $desc;
+ }
+
+ /**
+ * Map number representation of a data type
+ * to a string
+ *
+ * @param int $typeNo
+ * @return string
+ */
+ protected function _getDataType($typeNo)
+ {
+ $typemap = array(
+ 0 => "CHAR",
+ 1 => "SMALLINT",
+ 2 => "INTEGER",
+ 3 => "FLOAT",
+ 4 => "SMALLFLOAT",
+ 5 => "DECIMAL",
+ 6 => "SERIAL",
+ 7 => "DATE",
+ 8 => "MONEY",
+ 9 => "NULL",
+ 10 => "DATETIME",
+ 11 => "BYTE",
+ 12 => "TEXT",
+ 13 => "VARCHAR",
+ 14 => "INTERVAL",
+ 15 => "NCHAR",
+ 16 => "NVARCHAR",
+ 17 => "INT8",
+ 18 => "SERIAL8",
+ 19 => "SET",
+ 20 => "MULTISET",
+ 21 => "LIST",
+ 22 => "Unnamed ROW",
+ 40 => "Variable-length opaque type",
+ 4118 => "Named ROW"
+ );
+
+ if ($typeNo - 256 >= 0) {
+ $typeNo = $typeNo - 256;
+ }
+
+ return $typemap[$typeNo];
+ }
+
+ /**
+ * Helper method to retrieve primary key column
+ * and column location
+ *
+ * @param int $tabid
+ * @return array
+ */
+ protected function _getPrimaryInfo($tabid)
+ {
+ $sql = "SELECT i.part1, i.part2, i.part3, i.part4, i.part5, i.part6,
+ i.part7, i.part8, i.part9, i.part10, i.part11, i.part12,
+ i.part13, i.part14, i.part15, i.part16
+ FROM sysindexes i
+ JOIN sysconstraints c ON c.idxname = i.idxname
+ WHERE i.tabid = " . $tabid . " AND c.constrtype = 'P'";
+
+ $stmt = $this->_adapter->query($sql);
+ $results = $stmt->fetchAll();
+
+ $cols = array();
+
+ // this should return only 1 row
+ // unless there is no primary key,
+ // in which case, the empty array is returned
+ if ($results) {
+ $row = $results[0];
+ } else {
+ return $cols;
+ }
+
+ $position = 0;
+ foreach ($row as $key => $colno) {
+ $position++;
+ if ($colno == 0) {
+ return $cols;
+ } else {
+ $cols[$colno] = $position;
+ }
+ }
+ }
+
+ /**
+ * Adds an IDS-specific LIMIT clause to the SELECT statement.
+ *
+ * @param string $sql
+ * @param integer $count
+ * @param integer $offset OPTIONAL
+ * @throws Zend_Db_Adapter_Exception
+ * @return string
+ */
+ public function limit($sql, $count, $offset = 0)
+ {
+ $count = intval($count);
+ if ($count < 0) {
+ /** @see Zend_Db_Adapter_Exception */
+ throw new Zend_Db_Adapter_Exception("LIMIT argument count=$count is not valid");
+ } else if ($count == 0) {
+ $limit_sql = str_ireplace("SELECT", "SELECT * FROM (SELECT", $sql);
+ $limit_sql .= ") WHERE 0 = 1";
+ } else {
+ $offset = intval($offset);
+ if ($offset < 0) {
+ /** @see Zend_Db_Adapter_Exception */
+ throw new Zend_Db_Adapter_Exception("LIMIT argument offset=$offset is not valid");
+ }
+ if ($offset == 0) {
+ $limit_sql = str_ireplace("SELECT", "SELECT FIRST $count", $sql);
+ } else {
+ $limit_sql = str_ireplace("SELECT", "SELECT SKIP $offset LIMIT $count", $sql);
+ }
+ }
+ return $limit_sql;
+ }
+
+ /**
+ * IDS-specific last sequence id
+ *
+ * @param string $sequenceName
+ * @return integer
+ */
+ public function lastSequenceId($sequenceName)
+ {
+ $sql = 'SELECT '.$this->_adapter->quoteIdentifier($sequenceName).'.CURRVAL FROM '
+ .'systables WHERE tabid = 1';
+ $value = $this->_adapter->fetchOne($sql);
+ return $value;
+ }
+
+ /**
+ * IDS-specific sequence id value
+ *
+ * @param string $sequenceName
+ * @return integer
+ */
+ public function nextSequenceId($sequenceName)
+ {
+ $sql = 'SELECT '.$this->_adapter->quoteIdentifier($sequenceName).'.NEXTVAL FROM '
+ .'systables WHERE tabid = 1';
+ $value = $this->_adapter->fetchOne($sql);
+ return $value;
+ }
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-02 03:18:49 +0000