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https://codeberg.org/mclemens/tsmmonitor2.git
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171 lines
5.0 KiB
PHP
171 lines
5.0 KiB
PHP
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<?php
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/*
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V5.08 6 Apr 2009 (c) 2000-2009 John Lim (jlim#natsoft.com). All rights reserved.
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First cut at the Netezza Driver by Josh Eldridge joshuae74#hotmail.com
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Based on the previous postgres drivers.
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http://www.netezza.com/
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Major Additions/Changes:
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MetaDatabasesSQL, MetaTablesSQL, MetaColumnsSQL
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Note: You have to have admin privileges to access the system tables
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Removed non-working keys code (Netezza has no concept of keys)
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Fixed the way data types and lengths are returned in MetaColumns()
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as well as added the default lengths for certain types
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Updated public variables for Netezza
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Still need to remove blob functions, as Netezza doesn't suppport blob
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*/
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// security - hide paths
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if (!defined('ADODB_DIR')) die();
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include_once(ADODB_DIR.'/drivers/adodb-postgres64.inc.php');
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class ADODB_netezza extends ADODB_postgres64 {
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var $databaseType = 'netezza';
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var $dataProvider = 'netezza';
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var $hasInsertID = false;
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var $_resultid = false;
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var $concat_operator='||';
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var $random = 'random';
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var $metaDatabasesSQL = "select objname from _v_object_data where objtype='database' order by 1";
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var $metaTablesSQL = "select objname from _v_object_data where objtype='table' order by 1";
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var $isoDates = true; // accepts dates in ISO format
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var $sysDate = "CURRENT_DATE";
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var $sysTimeStamp = "CURRENT_TIMESTAMP";
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var $blobEncodeType = 'C';
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var $metaColumnsSQL = "SELECT attname, atttype FROM _v_relation_column_def WHERE name = '%s' AND attnum > 0 ORDER BY attnum";
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var $metaColumnsSQL1 = "SELECT attname, atttype FROM _v_relation_column_def WHERE name = '%s' AND attnum > 0 ORDER BY attnum";
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// netezza doesn't have keys. it does have distributions, so maybe this is
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// something that can be pulled from the system tables
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var $metaKeySQL = "";
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var $hasAffectedRows = true;
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var $hasLimit = true;
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var $true = 't'; // string that represents TRUE for a database
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var $false = 'f'; // string that represents FALSE for a database
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var $fmtDate = "'Y-m-d'"; // used by DBDate() as the default date format used by the database
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var $fmtTimeStamp = "'Y-m-d G:i:s'"; // used by DBTimeStamp as the default timestamp fmt.
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var $ansiOuter = true;
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var $autoRollback = true; // apparently pgsql does not autorollback properly before 4.3.4
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// http://bugs.php.net/bug.php?id=25404
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function ADODB_netezza()
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{
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}
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function MetaColumns($table,$upper=true)
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{
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// Changed this function to support Netezza which has no concept of keys
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// could posisbly work on other things from the system table later.
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global $ADODB_FETCH_MODE;
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$table = strtolower($table);
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$save = $ADODB_FETCH_MODE;
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$ADODB_FETCH_MODE = ADODB_FETCH_NUM;
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if ($this->fetchMode !== false) $savem = $this->SetFetchMode(false);
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$rs = $this->Execute(sprintf($this->metaColumnsSQL,$table,$table));
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if (isset($savem)) $this->SetFetchMode($savem);
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$ADODB_FETCH_MODE = $save;
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if ($rs === false) return false;
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$retarr = array();
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while (!$rs->EOF) {
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$fld = new ADOFieldObject();
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$fld->name = $rs->fields[0];
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// since we're returning type and length as one string,
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// split them out here.
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if ($first = strstr($rs->fields[1], "(")) {
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$fld->max_length = trim($first, "()");
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} else {
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$fld->max_length = -1;
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}
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if ($first = strpos($rs->fields[1], "(")) {
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$fld->type = substr($rs->fields[1], 0, $first);
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} else {
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$fld->type = $rs->fields[1];
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}
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switch ($fld->type) {
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case "byteint":
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case "boolean":
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$fld->max_length = 1;
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break;
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case "smallint":
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$fld->max_length = 2;
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break;
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case "integer":
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case "numeric":
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case "date":
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$fld->max_length = 4;
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break;
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case "bigint":
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case "time":
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case "timestamp":
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$fld->max_length = 8;
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break;
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case "timetz":
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case "time with time zone":
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$fld->max_length = 12;
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break;
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}
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if ($ADODB_FETCH_MODE == ADODB_FETCH_NUM) $retarr[] = $fld;
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else $retarr[($upper) ? strtoupper($fld->name) : $fld->name] = $fld;
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$rs->MoveNext();
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}
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$rs->Close();
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return $retarr;
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}
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}
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/*--------------------------------------------------------------------------------------
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Class Name: Recordset
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--------------------------------------------------------------------------------------*/
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class ADORecordSet_netezza extends ADORecordSet_postgres64
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{
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var $databaseType = "netezza";
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var $canSeek = true;
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function ADORecordSet_netezza($queryID,$mode=false)
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{
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if ($mode === false) {
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global $ADODB_FETCH_MODE;
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$mode = $ADODB_FETCH_MODE;
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}
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switch ($mode)
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{
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case ADODB_FETCH_NUM: $this->fetchMode = PGSQL_NUM; break;
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case ADODB_FETCH_ASSOC:$this->fetchMode = PGSQL_ASSOC; break;
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case ADODB_FETCH_DEFAULT:
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case ADODB_FETCH_BOTH:
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default: $this->fetchMode = PGSQL_BOTH; break;
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}
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$this->adodbFetchMode = $mode;
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$this->ADORecordSet($queryID);
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}
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// _initrs modified to disable blob handling
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function _initrs()
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{
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global $ADODB_COUNTRECS;
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$this->_numOfRows = ($ADODB_COUNTRECS)? @pg_numrows($this->_queryID):-1;
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$this->_numOfFields = @pg_numfields($this->_queryID);
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}
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}
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?>
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