1727 lines
52 KiB
PHP
1727 lines
52 KiB
PHP
<?php
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// Pandora FMS - https://pandorafms.com
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// ==================================================
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// Copyright (c) 2005-2023 Pandora FMS
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// Please see https://pandorafms.com/community/ for full contribution list
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public License
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// as published by the Free Software Foundation; version 2
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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function oracle_connect_db($host=null, $db=null, $user=null, $pass=null, $port=null, $new_connection=true)
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{
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global $config;
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if ($host === null) {
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$host = $config['dbhost'];
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}
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if ($db === null) {
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$db = $config['dbname'];
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}
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if ($user === null) {
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$user = $config['dbuser'];
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}
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if ($pass === null) {
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$pass = $config['dbpass'];
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}
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if ($port === null) {
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$port = $config['dbport'];
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}
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// Non-persistent connection: This will help to avoid mysql errors like "has gone away" or locking problems
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// If you want persistent connections change it to oci_pconnect().
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if ($new_connection) {
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$connect_id = oci_new_connect($user, $pass, '//'.$host.':'.$port.'/'.$db);
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} else {
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$connect_id = oci_connect($user, $pass, '//'.$host.':'.$port.'/'.$db);
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}
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if (! $connect_id) {
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return false;
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}
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// Set date and timestamp formats for this session
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$datetime_tz_format = oci_parse($connect_id, 'alter session set NLS_TIMESTAMP_TZ_FORMAT =\'YYYY-MM-DD HH24:MI:SS\'');
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$datetime_format = oci_parse($connect_id, 'alter session set NLS_TIMESTAMP_FORMAT =\'YYYY-MM-DD HH24:MI:SS\'');
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$date_format = oci_parse($connect_id, 'alter session set NLS_DATE_FORMAT =\'YYYY-MM-DD HH24:MI:SS\'');
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$decimal_separator = oci_parse($connect_id, 'alter session set NLS_NUMERIC_CHARACTERS =\'.,\'');
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db_change_cache_id($host, $db);
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oci_execute($datetime_tz_format);
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oci_execute($datetime_format);
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oci_execute($date_format);
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oci_execute($decimal_separator);
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oci_free_statement($datetime_tz_format);
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oci_free_statement($datetime_format);
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oci_free_statement($date_format);
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oci_free_statement($decimal_separator);
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return $connect_id;
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}
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/**
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* Get the first value of the first row of a table in the database.
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*
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* @param string $field Field name to get.
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* @param string $table Table to retrieve the data.
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* @param string $field_search Field to filter elements.
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* @param string $condition Condition the field must have.
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* @param boolean $search_history_db Search in historical db.
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* @param boolean $cache Enable cache or not.
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*
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* @return mixed Value of first column of the first row. False if there were no row.
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*/
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function oracle_db_get_value(
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$field,
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$table,
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$field_search=1,
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$condition=1,
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$search_history_db=false,
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$cache=false
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) {
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if (is_int($condition)) {
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$sql = sprintf(
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'SELECT *
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FROM (SELECT %s FROM %s WHERE %s = %d)
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WHERE rownum < 2',
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$field,
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$table,
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$field_search,
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$condition
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);
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} else if (is_float($condition) || is_double($condition)) {
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$sql = sprintf(
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'SELECT *
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FROM (SELECT %s FROM %s WHERE %s = %f)
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WHERE rownum < 2',
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$field,
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$table,
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$field_search,
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$condition
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);
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} else {
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$sql = sprintf(
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"SELECT *
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FROM (SELECT %s FROM %s WHERE %s = '%s')
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WHERE rownum < 2",
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$field,
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$table,
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$field_search,
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$condition
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);
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}
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$result = db_get_all_rows_sql($sql, $search_history_db, $cache);
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if ($result === false) {
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return false;
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}
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$row = array_shift($result);
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$value = array_shift($row);
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if ($value === null) {
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return false;
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}
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return $value;
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}
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/**
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* Get the first row of a database query into a table.
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*
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* The SQL statement executed would be something like:
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* "SELECT (*||$fields) FROM $table WHERE $field_search = $condition"
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*
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* @param string Table to get the row
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* @param string Field to filter elements
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* @param string Condition the field must have.
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* @param mixed Fields to select (array or string or false/empty for *)
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*
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* @return mixed The first row of a database query or false.
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*/
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function oracle_db_get_row($table, $field_search, $condition, $fields=false)
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{
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if (empty($fields)) {
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$fields = '*';
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} else {
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if (is_array($fields)) {
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$fields = implode(',', $fields);
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} else if (! is_string($fields)) {
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return false;
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}
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}
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if (is_int($condition)) {
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$sql = sprintf(
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'SELECT * FROM (SELECT %s FROM %s WHERE %s = %d) WHERE rownum < 2',
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$fields,
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$table,
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$field_search,
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$condition
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);
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} else if (is_float($condition) || is_double($condition)) {
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$sql = sprintf(
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'SELECT * FROM (SELECT %s FROM %s WHERE "%s" = %f) WHERE rownum < 2',
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$fields,
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$table,
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$field_search,
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$condition
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);
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} else {
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$sql = sprintf(
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"SELECT * FROM (SELECT %s FROM %s WHERE %s = '%s') WHERE rownum < 2",
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$fields,
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$table,
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$field_search,
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$condition
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);
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}
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$result = db_get_all_rows_sql($sql);
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if ($result === false) {
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return false;
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}
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return $result[0];
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}
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function oracle_db_get_all_rows_sql($sql, $search_history_db=false, $cache=true, $dbconnection=false)
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{
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global $config;
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$history = [];
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if ($dbconnection === false) {
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$dbconnection = $config['dbconnection'];
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}
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// To disable globally SQL cache depending on global variable.
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// Used in several critical places like Metaconsole trans-server queries
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if (isset($config['dbcache'])) {
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$cache = $config['dbcache'];
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}
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// Read from the history DB if necessary
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if ($search_history_db && $config['history_db_enabled'] == 1) {
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$cache = false;
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$history = false;
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// Connect to the history DB
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if (! isset($config['history_db_connection']) || $config['history_db_connection'] === false) {
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$config['history_db_connection'] = db_connect($config['history_db_host'], $config['history_db_name'], $config['history_db_user'], io_output_password($config['history_db_pass']), $config['history_db_port'], false);
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}
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if ($config['history_db_connection'] !== false) {
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$history = oracle_db_process_sql($sql, 'affected_rows', $config['history_db_connection'], false);
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}
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if ($history === false) {
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$history = [];
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}
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}
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$return = oracle_db_process_sql($sql, 'affected_rows', $dbconnection, $cache);
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if ($return === false) {
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$return = [];
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}
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// Append result to the history DB data
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if (! empty($return)) {
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foreach ($return as $row) {
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array_push($history, $row);
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}
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}
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if (! empty($history)) {
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return $history;
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}
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// Return false, check with === or !==
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return false;
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}
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/**
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* This function comes back with an array in case of SELECT
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* in case of UPDATE, DELETE etc. with affected rows
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* an empty array in case of SELECT without results
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* Queries that return data will be cached so queries don't get repeated
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*
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* @param string SQL statement to execute
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*
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* @param string What type of info to return in case of INSERT/UPDATE.
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* 'affected_rows' will return mysql_affected_rows (default value)
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* 'insert_id' will return the ID of an autoincrement value
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* 'info' will return the full (debug) information of a query
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*
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* @param bool Set autocommit transaction mode true/false
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*
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* @return mixed An array with the rows, columns and values in a multidimensional array or false in error
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*/
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// TODO: Return debug info of the query
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function oracle_db_process_sql($sql, $rettype='affected_rows', $dbconnection='', $cache=true, &$status=null, $autocommit=true)
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{
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global $config;
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global $sql_cache;
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$retval = [];
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if ($sql == '') {
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return false;
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}
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if ($cache && ! empty($sql_cache[$sql_cache['id']][$sql])) {
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$retval = $sql_cache[$sql_cache['id']][$sql];
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$sql_cache['saved'][$sql_cache['id']]++;
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db_add_database_debug_trace($sql);
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} else {
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$id = 0;
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$parse_query = explode(' ', trim(preg_replace('/\s\s+/', ' ', $sql)));
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$table_name = preg_replace('/\((\w*|,\w*)*\)|\(\w*|,\w*/', '', preg_replace('/\s/', '', $parse_query[2]));
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$type = explode(' ', strtoupper(trim($sql)));
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$start = microtime(true);
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if (empty($dbconnection)) {
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$dbconnection = $config['dbconnection'];
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}
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if ($type[0] == 'INSERT') {
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$query = oci_parse($dbconnection, 'BEGIN insert_id(:table_name, :sql, :out); END;');
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}
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// Prevent execution of insert_id stored procedure
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else if ($type[0] == '/INSERT') {
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$query = oci_parse($dbconnection, substr($sql, 1));
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} else {
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$query = oci_parse($dbconnection, $sql);
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}
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// If query is an insert retrieve Id field
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if ($type[0] == 'INSERT') {
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oci_bind_by_name($query, ':table_name', $table_name, 32);
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oci_bind_by_name($query, ':sql', $sql, -1);
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oci_bind_by_name($query, ':out', $id, 40);
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}
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if (!$autocommit) {
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$result = oci_execute($query, OCI_NO_AUTO_COMMIT);
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} else {
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$result = oci_execute($query);
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}
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$time = (microtime(true) - $start);
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$config['oracle_error_query'] = null;
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if ($result === false) {
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$backtrace = debug_backtrace();
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$e = oci_error($query);
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$config['oracle_error_query'] = $query;
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$error = sprintf(
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'%s (\'%s\') in <strong>%s</strong> on line %d',
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htmlentities($e['message'], ENT_QUOTES),
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$sql,
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$backtrace[0]['file'],
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$backtrace[0]['line']
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);
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db_add_database_debug_trace($sql, htmlentities($e['message'], ENT_QUOTES));
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set_error_handler('db_sql_error_handler');
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trigger_error($error);
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restore_error_handler();
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return false;
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} else {
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$status = oci_statement_type($query);
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$rows = oci_num_rows($query);
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if ($status !== 'SELECT') {
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// The query NOT IS a select
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if ($rettype == 'insert_id') {
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$result = $id;
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} else if ($rettype == 'info') {
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// TODO: return debug information of the query $result = pg_result_status($result, PGSQL_STATUS_STRING);
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$result = '';
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} else {
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$result = $rows;
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}
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db_add_database_debug_trace(
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$sql,
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$result,
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$rows,
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['time' => $time]
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);
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return $result;
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} else {
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// The query IS a select.
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db_add_database_debug_trace($sql, 0, $rows, ['time' => $time]);
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while ($row = oci_fetch_assoc($query)) {
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$i = 1;
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$result_temp = [];
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foreach ($row as $key => $value) {
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$column_type = oci_field_type($query, $key);
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// Support for Clob fields larger than 4000bytes
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// if ($sql == 'SELECT * FROM tgrupo ORDER BY dbms_lob.substr(nombre,4000,1) ASC') echo $i .' '.$column_type.' '.$key.'<br>';
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if ($column_type == 'CLOB') {
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$column_name = oci_field_name($query, $i);
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// Protect against a NULL CLOB
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if (is_object($row[$column_name])) {
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$clob_data = $row[$column_name]->load();
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$row[$column_name]->free();
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$value = $clob_data;
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} else {
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$value = '';
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}
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}
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$result_temp[strtolower($key)] = $value;
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$i++;
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}
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array_push($retval, $result_temp);
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// array_push($retval, $row);
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}
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if ($cache === true) {
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$sql_cache[$sql_cache['id']][$sql] = $retval;
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}
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oci_free_statement($query);
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}
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}
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}
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if (! empty($retval)) {
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return $retval;
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}
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// Return false, check with === or !==
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return false;
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}
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/**
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* Get all the rows in a table of the database.
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*
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* @param string Database table name.
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* @param string Field to order by.
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* @param string $order The type of order, by default 'ASC'.
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*
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* @return mixed A matrix with all the values in the table
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*/
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function oracle_db_get_all_rows_in_table($table, $order_field='', $order='ASC')
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{
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if ($order_field != '') {
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// Clob fields are not allowed in ORDER BY statements, they need cast to varchar2 datatype
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$type = db_get_value_filter(
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'data_type',
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'user_tab_columns',
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[
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'table_name' => strtoupper($table),
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'column_name' => strtoupper($order_field),
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],
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'AND'
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);
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if ($type == 'CLOB') {
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return db_get_all_rows_sql(
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'SELECT *
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FROM '.$table.'
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ORDER BY dbms_lob.substr('.$order_field.',4000,1) '.$order
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);
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} else {
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return db_get_all_rows_sql(
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'SELECT *
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FROM '.$table.'
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ORDER BY '.$order_field.' '.$order
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);
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}
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} else {
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return db_get_all_rows_sql('SELECT * FROM '.$table);
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}
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}
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/**
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* Inserts strings into database
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*
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* The number of values should be the same or a positive integer multiple as the number of rows
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* If you have an associate array (eg. array ("row1" => "value1")) you can use this function with ($table, array_keys ($array), $array) in it's options
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* All arrays and values should have been cleaned before passing. It's not neccessary to add quotes.
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*
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* @param string Table to insert into
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* @param mixed A single value or array of values to insert (can be a multiple amount of rows)
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* @param bool Whether to do autocommit or not
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*
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* @return mixed False in case of error or invalid values passed. Affected rows otherwise
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*/
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function oracle_db_process_sql_insert($table, $values, $autocommit=true)
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{
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// Empty rows or values not processed
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if (empty($values)) {
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return false;
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}
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$values = (array) $values;
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$query = sprintf('INSERT INTO %s ', $table);
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$fields = [];
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$values_str = '';
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$i = 1;
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$max = count($values);
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foreach ($values as $field => $value) {
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array_push($fields, $field);
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if (is_null($value)) {
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$values_str .= 'NULL';
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} else if (is_int($value) || is_bool($value)) {
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$values_str .= sprintf('%d', $value);
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} else if (is_float($value) || is_double($value)) {
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$values_str .= sprintf('%f', $value);
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} else if (substr($value, 0, 1) == '#') {
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$values_str .= sprintf('%s', substr($value, 1));
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} else {
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$values_str .= sprintf("'%s'", $value);
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}
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if ($i < $max) {
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$values_str .= ',';
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}
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$i++;
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}
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$query .= '('.implode(', ', $fields).')';
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$query .= ' VALUES ('.$values_str.')';
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$status = '';
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return db_process_sql($query, 'insert_id', '', true, $status, $autocommit);
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}
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|
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|
|
/**
|
|
* Escape string to set it properly to use in sql queries
|
|
*
|
|
* @param string String to be cleaned.
|
|
*
|
|
* @return string String cleaned.
|
|
*/
|
|
function oracle_escape_string_sql($string)
|
|
{
|
|
return str_replace(['"', "'", '\\'], ['\\"', '\\\'', '\\\\'], $string);
|
|
}
|
|
|
|
|
|
function oracle_encapsule_fields_with_same_name_to_instructions($field)
|
|
{
|
|
$return = $field;
|
|
|
|
if (is_string($return)) {
|
|
if ($return[0] !== '"') {
|
|
// The columns declared without quotes are converted to uppercase in oracle.
|
|
// A column named asd is equal to asd, ASD or "ASD", but no to "asd".
|
|
$return = '"'.$return.'"';
|
|
}
|
|
}
|
|
|
|
return $return;
|
|
}
|
|
|
|
|
|
/**
|
|
* Get the first value of the first row of a table in the database from an
|
|
* array with filter conditions.
|
|
*
|
|
* Example:
|
|
<code>
|
|
db_get_value_filter ('name', 'talert_templates',
|
|
array ('value' => 2, 'type' => 'equal'));
|
|
// Equivalent to:
|
|
// SELECT name FROM talert_templates WHERE value = 2 AND type = 'equal' LIMIT 1
|
|
// In oracle sintax:
|
|
// SELECT name FROM talert_templates WHERE value = 2 AND type = 'equal' AND rownum < 2
|
|
|
|
db_get_value_filter ('description', 'talert_templates',
|
|
array ('name' => 'My alert', 'type' => 'regex'), 'OR');
|
|
// Equivalent to:
|
|
// SELECT description FROM talert_templates WHERE name = 'My alert' OR type = 'equal' LIMIT 1
|
|
// In oracle sintax:
|
|
// SELECT description FROM talert_templates WHERE name = 'My alert' OR type = 'equal' AND rownum < 2
|
|
</code>
|
|
*
|
|
* @param string Field name to get
|
|
* @param string Table to retrieve the data
|
|
* @param array Conditions to filter the element. See db_format_array_where_clause_sql()
|
|
* for the format
|
|
* @param string Join operator for the elements in the filter.
|
|
*
|
|
* @return mixed Value of first column of the first row. False if there were no row.
|
|
*/
|
|
function oracle_db_get_value_filter($field, $table, $filter, $where_join='AND', $search_history_db=false, $cache=true)
|
|
{
|
|
if (! is_array($filter) || empty($filter)) {
|
|
return false;
|
|
}
|
|
|
|
// Avoid limit and offset if given
|
|
unset($filter['limit']);
|
|
unset($filter['offset']);
|
|
|
|
$sql = sprintf(
|
|
'SELECT * FROM (SELECT %s FROM %s WHERE %s) WHERE rownum < 2',
|
|
$field,
|
|
$table,
|
|
db_format_array_where_clause_sql($filter, $where_join)
|
|
);
|
|
$result = db_get_all_rows_sql($sql, $search_history_db, $cache);
|
|
|
|
if ($result === false) {
|
|
return false;
|
|
}
|
|
|
|
$row = array_shift($result);
|
|
$value = array_shift($row);
|
|
|
|
if ($value === null) {
|
|
return false;
|
|
}
|
|
|
|
return $value;
|
|
}
|
|
|
|
|
|
/**
|
|
* Formats an array of values into a SQL where clause string.
|
|
*
|
|
* This function is useful to generate a WHERE clause for a SQL sentence from
|
|
* a list of values. Example code:
|
|
<code>
|
|
$values = array ();
|
|
$values['name'] = "Name";
|
|
$values['description'] = "Long description";
|
|
$values['limit'] = $config['block_size']; // Assume it's 20
|
|
$sql = 'SELECT * FROM table WHERE '.db_format_array_where_clause_sql ($values);
|
|
echo $sql;
|
|
</code>
|
|
* Will return:
|
|
* <code>
|
|
* SELECT * FROM table WHERE `name` = "Name" AND `description` = "Long description" LIMIT 20
|
|
* This in Oracle Sql sintaxis is translate to:
|
|
* SELECT * FROM table WHERE name = "Name" AND description = "Long description" AND rownum <= 20
|
|
* </code>
|
|
*
|
|
* @param array Values to be formatted in an array indexed by the field name.
|
|
* There are special parameters such as 'order' and 'limit' that will be used
|
|
* as ORDER and LIMIT clauses respectively. Since LIMIT is
|
|
* numeric, ORDER can receive a field name or a SQL function and a the ASC or
|
|
* DESC clause. Examples:
|
|
<code>
|
|
$values = array ();
|
|
$values['value'] = 10;
|
|
$sql = 'SELECT * FROM table WHERE '.db_format_array_where_clause_sql ($values);
|
|
// SELECT * FROM table WHERE VALUE = 10
|
|
|
|
$values = array ();
|
|
$values['value'] = 10;
|
|
$values['order'] = 'name DESC';
|
|
$sql = 'SELECT * FROM table WHERE '.db_format_array_where_clause_sql ($values);
|
|
// SELECT * FROM table WHERE VALUE = 10 ORDER BY name DESC
|
|
|
|
|
|
IMPORTANT!!! OFFSET is not allowed in this function because Oracle needs to recode the complete query.
|
|
use oracle_recode_query() function instead
|
|
*
|
|
* @return string Values joined into an SQL string that can fits into the WHERE
|
|
* clause of an SQL sentence.
|
|
*/
|
|
function oracle_db_format_array_where_clause_sql($values, $join='AND', $prefix=false)
|
|
{
|
|
$fields = [];
|
|
|
|
if (! is_array($values)) {
|
|
return '';
|
|
}
|
|
|
|
$query = '';
|
|
$limit = '';
|
|
$order = '';
|
|
$group = '';
|
|
if (isset($values['offset'])) {
|
|
return '';
|
|
}
|
|
|
|
if (isset($values['limit'])) {
|
|
$limit = sprintf(' AND rownum <= %d', $values['limit']);
|
|
unset($values['limit']);
|
|
}
|
|
|
|
if (isset($values['order'])) {
|
|
if (is_array($values['order'])) {
|
|
if (!isset($values['order']['order'])) {
|
|
$orderTexts = [];
|
|
foreach ($values['order'] as $orderItem) {
|
|
$orderTexts[] = $orderItem['field'].' '.$orderItem['order'];
|
|
}
|
|
|
|
$order = ' ORDER BY '.implode(', ', $orderTexts);
|
|
} else {
|
|
$order = sprintf(' ORDER BY %s %s', $values['order']['field'], $values['order']['order']);
|
|
}
|
|
} else {
|
|
$order = sprintf(' ORDER BY %s', $values['order']);
|
|
}
|
|
|
|
unset($values['order']);
|
|
}
|
|
|
|
if (isset($values['group'])) {
|
|
$group = sprintf(' GROUP BY %s', $values['group']);
|
|
unset($values['group']);
|
|
}
|
|
|
|
$i = 1;
|
|
$max = count($values);
|
|
foreach ($values as $field => $value) {
|
|
if ($i == 1) {
|
|
$query .= ' ( ';
|
|
}
|
|
|
|
if ($field == '1' and $value == '1') {
|
|
$query .= sprintf("'%s' = '%s'", $field, $value);
|
|
|
|
if ($i < $max) {
|
|
$query .= ' '.$join.' ';
|
|
}
|
|
|
|
if ($i == $max) {
|
|
$query .= ' ) ';
|
|
}
|
|
|
|
$i++;
|
|
continue;
|
|
} else if (is_numeric($field)) {
|
|
// User provide the exact operation to do
|
|
$query .= $value;
|
|
|
|
if ($i < $max) {
|
|
$query .= ' '.$join.' ';
|
|
}
|
|
|
|
if ($i == $max) {
|
|
$query .= ' ) ';
|
|
}
|
|
|
|
$i++;
|
|
continue;
|
|
}
|
|
|
|
if (is_null($value)) {
|
|
$query .= sprintf('%s IS NULL', $field);
|
|
} else if (is_int($value) || is_bool($value)) {
|
|
$query .= sprintf('%s = %d', $field, $value);
|
|
} else if (is_float($value) || is_double($value)) {
|
|
$query .= sprintf('%s = %f', $field, $value);
|
|
} else if (is_array($value)) {
|
|
$query .= sprintf("%s IN ('%s')", $field, implode("', '", $value));
|
|
} else {
|
|
if ($value[0] == '>') {
|
|
$value = substr($value, 1, (strlen($value) - 1));
|
|
|
|
if (is_nan($value)) {
|
|
$query .= sprintf("%s > '%s'", $field, $value);
|
|
} else {
|
|
$query .= sprintf('%s > %s', $field, $value);
|
|
}
|
|
} else if ($value[0] == '<') {
|
|
if ($value[1] == '>') {
|
|
$value = substr($value, 2, (strlen($value) - 2));
|
|
|
|
if (is_nan($value)) {
|
|
$query .= sprintf("%s <> '%s'", $field, $value);
|
|
} else {
|
|
$query .= sprintf('%s <> %s', $field, $value);
|
|
}
|
|
} else {
|
|
$value = substr($value, 1, (strlen($value) - 1));
|
|
|
|
if (is_nan($value)) {
|
|
$query .= sprintf("%s < '%s'", $field, $value);
|
|
} else {
|
|
$query .= sprintf('%s < %s', $field, $value);
|
|
}
|
|
}
|
|
} else if ($value[0] == '%') {
|
|
$query .= sprintf("%s LIKE '%s'", $field, $value);
|
|
} else {
|
|
$query .= sprintf("%s = '%s'", $field, $value);
|
|
}
|
|
}
|
|
|
|
if ($i < $max) {
|
|
$query .= ' '.$join.' ';
|
|
}
|
|
|
|
if ($i == $max) {
|
|
$query .= ' ) ';
|
|
}
|
|
|
|
$i++;
|
|
}
|
|
|
|
return (! empty($query) ? $prefix : '').$query.$limit.$group.$order;
|
|
}
|
|
|
|
|
|
/**
|
|
* Formats an SQL query to use LIMIT and OFFSET Mysql like statements in Oracle.
|
|
*
|
|
* This function is useful to generate an SQL sentence from
|
|
* a list of values. Example code:
|
|
<code>
|
|
*
|
|
* @param string Join operator. AND by default.
|
|
* @param string A prefix to be added to the string. It's useful when
|
|
* offset could be given to avoid this cases:
|
|
<code>
|
|
$values = array ();
|
|
$values['limit'] = 10;
|
|
$values['offset'] = 20;
|
|
$sql = 'SELECT * FROM table WHERE '.db_format_array_where_clause_sql ($values);
|
|
// Wrong SQL: SELECT * FROM table WHERE LIMIT 10 OFFSET 20
|
|
|
|
$values = array ();
|
|
$values['limit'] = 10;
|
|
$values['offset'] = 20;
|
|
$sql = 'SELECT * FROM table WHERE '.db_format_array_where_clause_sql ($values, 'AND', 'WHERE');
|
|
// Good SQL: SELECT * FROM table LIMIT 10 OFFSET 20
|
|
// This in Oracle Sql sintaxis is translate to:
|
|
// SELECT * FROM (SELECT ROWNUM AS rnum, a.* FROM (SELECT * FROM table) a) WHERE rnum > 20 AND rnum <= 30
|
|
|
|
$values = array ();
|
|
$values['value'] = 5;
|
|
$values['limit'] = 10;
|
|
$values['offset'] = 20;
|
|
$sql = 'SELECT * FROM table WHERE '.db_format_array_where_clause_sql ($values, 'AND', 'WHERE');
|
|
// Good SQL: SELECT * FROM table WHERE value = 5 LIMIT 10 OFFSET 20
|
|
// This in Oracle Sql sintaxis is translate to:
|
|
// SELECT * FROM (SELECT ROWNUM AS rnum, a.* FROM (SELECT * FROM table WHERE value = 5) a) WHERE rnum > 20 AND rnum <= 30;
|
|
</code>
|
|
|
|
* @param string Sql from SELECT to WHERE reserved words: SELECT * FROM mytable WHERE
|
|
* @param array Conditions to filter the element. See db_format_array_where_clause_sql()
|
|
* for the format. LIMIT + OFFSET are allowed in this function:
|
|
|
|
<code>
|
|
$values = array();
|
|
$values['limit'] = x;
|
|
$values['offset'] = y;
|
|
</code>
|
|
|
|
* @param string Join operator for the elements in the filter.
|
|
* @param bool Whether to return Sql or execute. Note that if you return data in a string format then after execute the query you have
|
|
* to discard RNUM column.
|
|
*
|
|
* @return string Values joined into an SQL string that fits Oracle SQL sintax
|
|
* clause of an SQL sentence.
|
|
**/
|
|
function oracle_recode_query($sql, $values, $join='AND', $return=true)
|
|
{
|
|
$fields = [];
|
|
|
|
if (! is_array($values) || empty($sql)) {
|
|
return '';
|
|
}
|
|
|
|
$query = '';
|
|
$limit = '';
|
|
$offset = '';
|
|
$order = '';
|
|
$group = '';
|
|
$pre_query = '';
|
|
$post_query = '';
|
|
// LIMIT + OFFSET options have to be recoded into a subquery
|
|
if (isset($values['limit']) && isset($values['offset'])) {
|
|
$down = $values['offset'];
|
|
$top = ($values['offset'] + $values['limit']);
|
|
$pre_query = 'SELECT * FROM (SELECT ROWNUM AS rnum, a.* FROM (';
|
|
$post_query = sprintf(') a) WHERE rnum > %d AND rnum <= %d', $down, $top);
|
|
unset($values['limit']);
|
|
unset($values['offset']);
|
|
} else if (isset($values['limit'])) {
|
|
$limit = sprintf(' AND rownum <= %d', $values['limit']);
|
|
unset($values['limit']);
|
|
}
|
|
// OFFSET without LIMIT option is not supported
|
|
else if (isset($values['offset'])) {
|
|
unset($values['offset']);
|
|
}
|
|
|
|
if (isset($values['order'])) {
|
|
if (is_array($values['order'])) {
|
|
if (!isset($values['order']['order'])) {
|
|
$orderTexts = [];
|
|
foreach ($values['order'] as $orderItem) {
|
|
$orderTexts[] = $orderItem['field'].' '.$orderItem['order'];
|
|
}
|
|
|
|
$order = ' ORDER BY '.implode(', ', $orderTexts);
|
|
} else {
|
|
$order = sprintf(' ORDER BY %s %s', $values['order']['field'], $values['order']['order']);
|
|
}
|
|
} else {
|
|
$order = sprintf(' ORDER BY %s', $values['order']);
|
|
}
|
|
|
|
unset($values['order']);
|
|
}
|
|
|
|
if (isset($values['group'])) {
|
|
$group = sprintf(' GROUP BY %s', $values['group']);
|
|
unset($values['group']);
|
|
}
|
|
|
|
$i = 1;
|
|
$max = count($values);
|
|
foreach ($values as $field => $value) {
|
|
if ($i == 1) {
|
|
$query .= ' ( ';
|
|
}
|
|
|
|
if (is_numeric($field)) {
|
|
// User provide the exact operation to do
|
|
$query .= $value;
|
|
|
|
if ($i < $max) {
|
|
$query .= ' '.$join.' ';
|
|
}
|
|
|
|
$i++;
|
|
continue;
|
|
}
|
|
|
|
if (is_null($value)) {
|
|
$query .= sprintf('%s IS NULL', $field);
|
|
} else if (is_int($value) || is_bool($value)) {
|
|
$query .= sprintf('%s = %d', $field, $value);
|
|
} else if (is_float($value) || is_double($value)) {
|
|
$query .= sprintf('%s = %f', $field, $value);
|
|
} else if (is_array($value)) {
|
|
$query .= sprintf("%s IN ('%s')", $field, implode("', '", $value));
|
|
} else {
|
|
if ($value[0] == '>') {
|
|
$value = substr($value, 1, (strlen($value) - 1));
|
|
$query .= sprintf("%s > '%s'", $field, $value);
|
|
} else if ($value[0] == '<') {
|
|
if ($value[1] == '>') {
|
|
$value = substr($value, 2, (strlen($value) - 2));
|
|
$query .= sprintf("%s <> '%s'", $field, $value);
|
|
} else {
|
|
$value = substr($value, 1, (strlen($value) - 1));
|
|
$query .= sprintf("%s < '%s'", $field, $value);
|
|
}
|
|
} else if ($value[0] == '%') {
|
|
$query .= sprintf("%s LIKE '%s'", $field, $value);
|
|
} else {
|
|
$query .= sprintf("%s = '%s'", $field, $value);
|
|
}
|
|
}
|
|
|
|
if ($i < $max) {
|
|
$query .= ' '.$join.' ';
|
|
}
|
|
|
|
if ($i == $max) {
|
|
$query .= ' ) ';
|
|
}
|
|
|
|
$i++;
|
|
}
|
|
|
|
$result = $pre_query.$sql.$query.$limit.$group.$order.$post_query;
|
|
if ($return) {
|
|
return $result;
|
|
} else {
|
|
$result = oracle_db_process_sql($result);
|
|
if ($result !== false) {
|
|
for ($i = 0; $i < count($result); $i++) {
|
|
unset($result[$i]['RNUM']);
|
|
}
|
|
}
|
|
|
|
return $result;
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Get the first value of the first row of a table result from query.
|
|
*
|
|
* @param string SQL select statement to execute.
|
|
*
|
|
* @return the first value of the first row of a table result from query.
|
|
*/
|
|
function oracle_db_get_value_sql($sql, $dbconnection=false, $search_history_db=false)
|
|
{
|
|
$sql = 'SELECT * FROM ('.$sql.') WHERE rownum < 2';
|
|
$result = oracle_db_get_all_rows_sql($sql, $search_history_db, true, $dbconnection);
|
|
|
|
if ($result === false) {
|
|
return false;
|
|
}
|
|
|
|
$row = array_shift($result);
|
|
$value = array_shift($row);
|
|
|
|
if ($value === null) {
|
|
return false;
|
|
}
|
|
|
|
return $value;
|
|
}
|
|
|
|
|
|
/**
|
|
* Get the first row of an SQL database query.
|
|
*
|
|
* @param string SQL select statement to execute.
|
|
*
|
|
* @return mixed The first row of the result or false
|
|
*/
|
|
function oracle_db_get_row_sql($sql, $search_history_db=false, $cache=true)
|
|
{
|
|
$sql = 'SELECT * FROM ('.$sql.') WHERE rownum < 2';
|
|
$result = oracle_db_get_all_rows_sql($sql, $search_history_db, $cache);
|
|
|
|
if ($result === false) {
|
|
return false;
|
|
}
|
|
|
|
return $result[0];
|
|
}
|
|
|
|
|
|
/**
|
|
* Get the row of a table in the database using a complex filter.
|
|
*
|
|
* @param string Table to retrieve the data (warning: not cleaned)
|
|
* @param mixed Filters elements. It can be an indexed array
|
|
* (keys would be the field name and value the expected value, and would be
|
|
* joined with an AND operator) or a string, including any SQL clause (without
|
|
* the WHERE keyword). Example:
|
|
<code>
|
|
Both are similars:
|
|
db_get_row_filter ('table', array ('disabled', 0));
|
|
db_get_row_filter ('table', 'disabled = 0');
|
|
|
|
Both are similars:
|
|
db_get_row_filter ('table', array ('disabled' => 0, 'history_data' => 0), 'name, description', 'OR');
|
|
db_get_row_filter ('table', 'disabled = 0 OR history_data = 0', 'name, description');
|
|
db_get_row_filter ('table', array ('disabled' => 0, 'history_data' => 0), array ('name', 'description'), 'OR');
|
|
</code>
|
|
* @param mixed Fields of the table to retrieve. Can be an array or a coma
|
|
* separated string. All fields are retrieved by default
|
|
* @param string Condition to join the filters (AND, OR).
|
|
*
|
|
* @return mixed Array of the row or false in case of error.
|
|
*/
|
|
function oracle_db_get_row_filter($table, $filter, $fields=false, $where_join='AND', $history_db=false, $cache=true)
|
|
{
|
|
if (empty($fields)) {
|
|
$fields = '*';
|
|
} else {
|
|
if (is_array($fields)) {
|
|
$fields = implode(',', $fields);
|
|
} else if (! is_string($fields)) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
if (is_array($filter)) {
|
|
$filter = db_format_array_where_clause_sql($filter, $where_join, ' WHERE ');
|
|
} else if (is_string($filter)) {
|
|
$filter = 'WHERE '.$filter;
|
|
} else {
|
|
$filter = '';
|
|
}
|
|
|
|
$sql = sprintf('SELECT %s FROM %s %s', $fields, $table, $filter);
|
|
|
|
return db_get_row_sql($sql, $history_db, $cache);
|
|
}
|
|
|
|
|
|
/**
|
|
* Get all the rows of a table in the database that matches a filter.
|
|
*
|
|
* @param string Table to retrieve the data (warning: not cleaned)
|
|
* @param mixed Filters elements. It can be an indexed array
|
|
* (keys would be the field name and value the expected value, and would be
|
|
* joined with an AND operator) or a string, including any SQL clause (without
|
|
* the WHERE keyword). Example:
|
|
* <code>
|
|
* Both are similars:
|
|
* db_get_all_rows_filter ('table', array ('disabled', 0));
|
|
* db_get_all_rows_filter ('table', 'disabled = 0');
|
|
*
|
|
* Both are similars:
|
|
* db_get_all_rows_filter ('table', array ('disabled' => 0, 'history_data' => 0), 'name', 'OR');
|
|
* db_get_all_rows_filter ('table', 'disabled = 0 OR history_data = 0', 'name');
|
|
* </code>
|
|
* @param mixed Fields of the table to retrieve. Can be an array or a coma
|
|
* separated string. All fields are retrieved by default
|
|
* @param string Condition of the filter (AND, OR).
|
|
* @param boolean $returnSQL Return a string with SQL instead the data, by default false.
|
|
*
|
|
* @return mixed Array of the row or false in case of error.
|
|
*/
|
|
function oracle_db_get_all_rows_filter($table, $filter=[], $fields=false, $where_join='AND', $search_history_db=false, $returnSQL=false)
|
|
{
|
|
// TODO: Validate and clean fields
|
|
if (empty($fields)) {
|
|
$fields = '*';
|
|
} else if (is_array($fields)) {
|
|
$fields = implode(' , ', $fields);
|
|
} else if (!is_string($fields)) {
|
|
return false;
|
|
}
|
|
|
|
// TODO: Validate and clean filter options
|
|
if (is_array($filter)) {
|
|
$filter = db_format_array_where_clause_sql($filter, $where_join, ' WHERE ');
|
|
} else if (is_string($filter)) {
|
|
$filter = 'WHERE '.$filter;
|
|
} else {
|
|
$filter = '';
|
|
}
|
|
|
|
$sql = sprintf('SELECT %s FROM %s %s', $fields, $table, $filter);
|
|
|
|
if ($returnSQL) {
|
|
return $sql;
|
|
} else {
|
|
return db_get_all_rows_sql($sql, $search_history_db);
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Return the count of rows of query.
|
|
*
|
|
* @param $sql
|
|
* @return integer The count of rows of query.
|
|
*/
|
|
function oracle_db_get_num_rows($sql)
|
|
{
|
|
global $config;
|
|
|
|
$type = explode(' ', strtoupper(trim($sql)));
|
|
if ($type[0] == 'SELECT') {
|
|
$sql = 'SELECT count(*) as NUM FROM ('.$sql.')';
|
|
}
|
|
|
|
$query = oci_parse($config['dbconnection'], $sql);
|
|
oci_execute($query);
|
|
if ($type[0] == 'SELECT') {
|
|
$row = oci_fetch_assoc($query);
|
|
$rows = $row['NUM'];
|
|
} else {
|
|
$rows = oci_num_rows($query);
|
|
}
|
|
|
|
oci_free_statement($query);
|
|
|
|
return $rows;
|
|
}
|
|
|
|
|
|
/**
|
|
* Get all the rows in a table of the database filtering from a field.
|
|
*
|
|
* @param string Database table name.
|
|
* @param string Field of the table.
|
|
* @param string Condition the field must have to be selected.
|
|
* @param string Field to order by.
|
|
*
|
|
* @return mixed A matrix with all the values in the table that matches the condition in the field or false
|
|
*/
|
|
function oracle_db_get_all_rows_field_filter($table, $field, $condition, $order_field='')
|
|
{
|
|
if (is_int($condition) || is_bool($condition)) {
|
|
$sql = sprintf(
|
|
'SELECT *
|
|
FROM %s
|
|
WHERE %s = %d',
|
|
$table,
|
|
$field,
|
|
$condition
|
|
);
|
|
} else if (is_float($condition) || is_double($condition)) {
|
|
$sql = sprintf(
|
|
'SELECT *
|
|
FROM %s
|
|
WHERE %s = %f',
|
|
$table,
|
|
$field,
|
|
$condition
|
|
);
|
|
} else {
|
|
$sql = sprintf(
|
|
"SELECT *
|
|
FROM %s
|
|
WHERE %s = '%s'",
|
|
$table,
|
|
$field,
|
|
$condition
|
|
);
|
|
}
|
|
|
|
if ($order_field != '') {
|
|
$sql .= sprintf(' ORDER BY %s', $order_field);
|
|
}
|
|
|
|
return db_get_all_rows_sql($sql);
|
|
}
|
|
|
|
|
|
/**
|
|
* Get all the rows in a table of the database filtering from a field.
|
|
*
|
|
* @param string Database table name.
|
|
* @param string Field of the table.
|
|
*
|
|
* @return mixed A matrix with all the values in the table that matches the condition in the field
|
|
*/
|
|
function oracle_db_get_all_fields_in_table($table, $field='', $condition='', $order_field='')
|
|
{
|
|
$sql = sprintf('SELECT * FROM %s', $table);
|
|
|
|
if ($condition != '') {
|
|
$sql .= sprintf(" WHERE %s = '%s'", $field, $condition);
|
|
}
|
|
|
|
if ($order_field != '') {
|
|
$sql .= sprintf(' ORDER BY %s', $order_field);
|
|
}
|
|
|
|
return db_get_all_rows_sql($sql);
|
|
}
|
|
|
|
|
|
/**
|
|
* Formats an array of values into a SQL string.
|
|
*
|
|
* This function is useful to generate an UPDATE SQL sentence from a list of
|
|
* values. Example code:
|
|
*
|
|
* <code>
|
|
* $values = array ();
|
|
* $values['name'] = "Name";
|
|
* $values['description'] = "Long description";
|
|
* $sql = 'UPDATE table SET '.db_format_array_to_update_sql ($values).' WHERE id=1';
|
|
* echo $sql;
|
|
* </code>
|
|
* Will return:
|
|
* <code>
|
|
* UPDATE table SET name = "Name", description = "Long description" WHERE id=1
|
|
* </code>
|
|
*
|
|
* @param array Values to be formatted in an array indexed by the field name.
|
|
*
|
|
* @return string Values joined into an SQL string that can fits into an UPDATE
|
|
* sentence.
|
|
*/
|
|
function oracle_db_format_array_to_update_sql($values)
|
|
{
|
|
$fields = [];
|
|
|
|
foreach ($values as $field => $value) {
|
|
if (is_numeric($field)) {
|
|
array_push($fields, $value);
|
|
continue;
|
|
} else if ($field[0] == '`') {
|
|
$field = str_replace('`', '', $field);
|
|
}
|
|
|
|
if ($value === null) {
|
|
$sql = sprintf('%s = NULL', $field);
|
|
} else if (is_int($value) || is_bool($value)) {
|
|
$sql = sprintf('%s = %d', $field, $value);
|
|
} else if (is_float($value) || is_double($value)) {
|
|
$sql = sprintf('%s = %f', $field, $value);
|
|
} else {
|
|
// String
|
|
if (isset($value[0]) && $value[0] == '`') {
|
|
// Don't round with quotes if it references a field
|
|
$sql = sprintf('%s = %s', $field, str_replace('`', '', $value));
|
|
} else if (substr($value, 0, 1) == '#') {
|
|
$sql = sprintf('%s = %s', $field, substr($value, 1));
|
|
} else {
|
|
$sql = sprintf("%s = '%s'", $field, $value);
|
|
}
|
|
}
|
|
|
|
array_push($fields, $sql);
|
|
}
|
|
|
|
return implode(', ', $fields);
|
|
}
|
|
|
|
|
|
/**
|
|
* Updates a database record.
|
|
*
|
|
* All values should be cleaned before passing. Quoting isn't necessary.
|
|
* Examples:
|
|
*
|
|
* <code>
|
|
* db_process_sql_update ('table', array ('field' => 1), array ('id' => $id));
|
|
* db_process_sql_update ('table', array ('field' => 1), array ('id' => $id, 'name' => $name));
|
|
* db_process_sql_update ('table', array ('field' => 1), array ('id' => $id, 'name' => $name), 'OR');
|
|
* db_process_sql_update ('table', array ('field' => 2), 'id in (1, 2, 3) OR id > 10');
|
|
* </code>
|
|
*
|
|
* @param string Table to insert into
|
|
* @param array An associative array of values to update
|
|
* @param mixed An associative array of field and value matches. Will be joined
|
|
* with operator specified by $where_join. A custom string can also be provided.
|
|
* If nothing is provided, the update will affect all rows.
|
|
* @param string When a $where parameter is given, this will work as the glue
|
|
* between the fields. "AND" operator will be use by default. Other values might
|
|
* be "OR", "AND NOT", "XOR"
|
|
*
|
|
* @return mixed False in case of error or invalid values passed. Affected rows otherwise
|
|
*/
|
|
function oracle_db_process_sql_update($table, $values, $where=false, $where_join='AND', $autocommit=true)
|
|
{
|
|
$query = sprintf(
|
|
'UPDATE %s SET %s',
|
|
$table,
|
|
db_format_array_to_update_sql($values)
|
|
);
|
|
|
|
if ($where) {
|
|
if (is_string($where)) {
|
|
// No clean, the caller should make sure all input is clean, this is a raw function
|
|
$query .= ' WHERE '.$where;
|
|
} else if (is_array($where)) {
|
|
$query .= db_format_array_where_clause_sql($where, $where_join, ' WHERE ');
|
|
}
|
|
}
|
|
|
|
$status = '';
|
|
|
|
return db_process_sql($query, 'affected_rows', '', true, $status, $autocommit);
|
|
}
|
|
|
|
|
|
/**
|
|
* Delete database records.
|
|
*
|
|
* All values should be cleaned before passing. Quoting isn't necessary.
|
|
* Examples:
|
|
*
|
|
* <code>
|
|
* db_process_sql_delete ('table', array ('id' => 1));
|
|
* // DELETE FROM table WHERE id = 1
|
|
* db_process_sql_delete ('table', array ('id' => 1, 'name' => 'example'));
|
|
* // DELETE FROM table WHERE id = 1 AND name = 'example'
|
|
* db_process_sql_delete ('table', array ('id' => 1, 'name' => 'example'), 'OR');
|
|
* // DELETE FROM table WHERE id = 1 OR name = 'example'
|
|
* db_process_sql_delete ('table', 'id in (1, 2, 3) OR id > 10');
|
|
* // DELETE FROM table WHERE id in (1, 2, 3) OR id > 10
|
|
* </code>
|
|
*
|
|
* @param string Table to insert into
|
|
* @param array An associative array of values to update
|
|
* @param mixed An associative array of field and value matches. Will be joined
|
|
* with operator specified by $where_join. A custom string can also be provided.
|
|
* If nothing is provided, the update will affect all rows.
|
|
* @param string When a $where parameter is given, this will work as the glue
|
|
* between the fields. "AND" operator will be use by default. Other values might
|
|
* be "OR", "AND NOT", "XOR"
|
|
*
|
|
* @return mixed False in case of error or invalid values passed. Affected rows otherwise
|
|
*/
|
|
function oracle_db_process_sql_delete($table, $where, $where_join='AND')
|
|
{
|
|
if (empty($where)) {
|
|
// Should avoid any mistake that lead to deleting all data
|
|
return false;
|
|
}
|
|
|
|
$query = sprintf('DELETE FROM %s WHERE ', $table);
|
|
|
|
if ($where) {
|
|
if (is_string($where)) {
|
|
/*
|
|
FIXME: Should we clean the string for sanity?
|
|
Who cares if this is deleting data... */
|
|
$query .= $where;
|
|
} else if (is_array($where)) {
|
|
$query .= db_format_array_where_clause_sql($where, $where_join);
|
|
}
|
|
}
|
|
|
|
return db_process_sql($query);
|
|
}
|
|
|
|
|
|
function oracle_db_process_sql_delete_temp($table, $where, $where_join='AND')
|
|
{
|
|
if (empty($where)) {
|
|
// Should avoid any mistake that lead to deleting all data
|
|
return false;
|
|
}
|
|
|
|
$query = sprintf('DELETE FROM %s WHERE ', $table);
|
|
|
|
if ($where) {
|
|
if (is_string($where)) {
|
|
/*
|
|
FIXME: Should we clean the string for sanity?
|
|
Who cares if this is deleting data... */
|
|
$query .= $where;
|
|
} else if (is_array($where)) {
|
|
$query .= db_format_array_where_clause_sql($where, $where_join);
|
|
}
|
|
}
|
|
|
|
$result = '';
|
|
|
|
return db_process_sql($query, 'affected_rows', '', true, $result, false);
|
|
}
|
|
|
|
|
|
/**
|
|
* Get row by row the DB by SQL query. The first time pass the SQL query and
|
|
* rest of times pass none for iterate in table and extract row by row, and
|
|
* the end return false.
|
|
*
|
|
* @param boolean $new Default true, if true start to query.
|
|
* @param resource $result The resource of oracle for access to query.
|
|
* @param string $sql
|
|
* @return mixed The row or false in error.
|
|
*/
|
|
function oracle_db_get_all_row_by_steps_sql($new=true, &$result, $sql=null)
|
|
{
|
|
global $config;
|
|
|
|
if ($new == true) {
|
|
$result = oci_parse($config['dbconnection'], $sql);
|
|
oci_execute($result);
|
|
}
|
|
|
|
$row = oci_fetch_assoc($result);
|
|
|
|
$result_temp = [];
|
|
if ($row) {
|
|
foreach ($row as $key => $value) {
|
|
$column_type = oci_field_type($result, $key);
|
|
// Support for Clob field larger than 4000bytes
|
|
if ($column_type == 'CLOB') {
|
|
$column_name = oci_field_name($result, $key);
|
|
$column_name = oci_field_name($result, $key);
|
|
// protect against a NULL CLOB
|
|
if (is_object($row[$column_name])) {
|
|
$clob_data = $row[$column_name]->load();
|
|
$row[$column_name]->free();
|
|
$value = $clob_data;
|
|
} else {
|
|
$value = '';
|
|
}
|
|
}
|
|
|
|
$result_temp[strtolower($key)] = $value;
|
|
}
|
|
}
|
|
|
|
if (!$row) {
|
|
oci_free_statement($result);
|
|
}
|
|
|
|
// return $row;
|
|
return $result_temp;
|
|
}
|
|
|
|
|
|
/**
|
|
* Starts a database transaction.
|
|
*/
|
|
function oracle_db_process_sql_begin()
|
|
{
|
|
global $config;
|
|
|
|
$query = oci_parse($config['dbconnection'], 'SET TRANSACTION READ WRITE');
|
|
oci_execute($query);
|
|
oci_free_statement($query);
|
|
}
|
|
|
|
|
|
/**
|
|
* Commits a database transaction.
|
|
*/
|
|
function oracle_db_process_sql_commit()
|
|
{
|
|
global $config;
|
|
|
|
oci_commit($config['dbconnection']);
|
|
}
|
|
|
|
|
|
/**
|
|
* Rollbacks a database transaction.
|
|
*/
|
|
function oracle_db_process_sql_rollback()
|
|
{
|
|
global $config;
|
|
|
|
oci_rollback($config['dbconnection']);
|
|
}
|
|
|
|
|
|
/**
|
|
* Get last error.
|
|
*
|
|
* @return string Return the string error.
|
|
*/
|
|
function oracle_db_get_last_error()
|
|
{
|
|
global $config;
|
|
|
|
if (empty($config['oracle_error_query'])) {
|
|
return null;
|
|
}
|
|
|
|
$ora_erno = oci_error($config['oracle_error_query']);
|
|
|
|
return $ora_erno['message'];
|
|
}
|
|
|
|
|
|
/**
|
|
* This function gets the time from either system or sql based on preference and returns it
|
|
*
|
|
* @return integer Unix timestamp
|
|
*/
|
|
function oracle_get_system_time()
|
|
{
|
|
global $config;
|
|
|
|
static $time = 0;
|
|
|
|
if ($time != 0) {
|
|
return $time;
|
|
}
|
|
|
|
if ($config['timesource'] == 'sql') {
|
|
$time = db_get_sql("SELECT ceil((sysdate - to_date('19700101000000','YYYYMMDDHH24MISS')) * (".SECONDS_1DAY.')) as dt FROM dual');
|
|
if (empty($time)) {
|
|
return time();
|
|
}
|
|
|
|
return $time;
|
|
} else {
|
|
return time();
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Get the type of field.
|
|
*
|
|
* @param string $table The table to examine the type of field.
|
|
* @param integer $field The field order in table.
|
|
*
|
|
* @return mixed Return the type name or False in error case.
|
|
*/
|
|
function oracle_db_get_type_field_table($table, $field)
|
|
{
|
|
global $config;
|
|
|
|
$query = oci_parse(
|
|
$config['dbconnection'],
|
|
'SELECT * FROM '.$table.' WHERE rownum < 2'
|
|
);
|
|
oci_execute($query);
|
|
|
|
$type = oci_field_type($query, ($field + 1));
|
|
oci_free_statement($query);
|
|
|
|
return $type;
|
|
}
|
|
|
|
|
|
/**
|
|
* Get all field names of a table and recode fields
|
|
* for clob datatype as "dbms_lob.substr(<field>, 4000 ,1) as <field>".
|
|
*
|
|
* @param string $table The table to retrieve all column names.
|
|
* @param integer $return_mode Whether to return as array (by default) or as comma separated string.
|
|
*
|
|
* @return mixed Return an array/string of table fields or false if something goes wrong.
|
|
*/
|
|
function oracle_list_all_field_table($table_name, $return_mode='array')
|
|
{
|
|
if (empty($table_name)) {
|
|
return false;
|
|
}
|
|
|
|
$fields_info = db_get_all_rows_field_filter('user_tab_columns', 'table_name', strtoupper($table_name));
|
|
if (empty($fields_info)) {
|
|
return false;
|
|
}
|
|
|
|
$field_list = [];
|
|
foreach ($fields_info as $field) {
|
|
if ($field['data_type'] == 'CLOB') {
|
|
$new_field = 'dbms_lob.substr('.$field['table_name'].'.'.$field['column_name'].', 4000, 1) as '.strtolower($field['column_name']);
|
|
$field_list[] = $new_field;
|
|
} else {
|
|
$field_list[] = strtolower($field['table_name'].'.'.$field['column_name']);
|
|
}
|
|
}
|
|
|
|
// Return as comma separated string
|
|
if ($return_mode == 'string') {
|
|
return implode(',', $field_list);
|
|
}
|
|
// Return as array
|
|
else {
|
|
return $field_list;
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Process a file with an oracle schema sentences.
|
|
* Based on the function which installs the pandoradb.sql schema.
|
|
*
|
|
* @param string $path File path.
|
|
* @param boolean $handle_error Whether to handle the oci_execute errors or throw an exception.
|
|
*
|
|
* @return boolean Return the final status of the operation.
|
|
*/
|
|
function oracle_db_process_file($path, $handle_error=true)
|
|
{
|
|
global $config;
|
|
|
|
if (file_exists($path)) {
|
|
$file_content = file($path);
|
|
|
|
$query = '';
|
|
$plsql_block = false;
|
|
|
|
// Begin the transaction
|
|
oracle_db_process_sql_begin();
|
|
|
|
$datetime_tz_format = oci_parse($connection, 'alter session set NLS_TIMESTAMP_TZ_FORMAT =\'YYYY-MM-DD HH24:MI:SS\'');
|
|
$datetime_format = oci_parse($connection, 'alter session set NLS_TIMESTAMP_FORMAT =\'YYYY-MM-DD HH24:MI:SS\'');
|
|
$date_format = oci_parse($connection, 'alter session set NLS_DATE_FORMAT =\'YYYY-MM-DD HH24:MI:SS\'');
|
|
$decimal_separator = oci_parse($connection, 'alter session set NLS_NUMERIC_CHARACTERS =\',.\'');
|
|
|
|
oci_execute($datetime_tz_format);
|
|
oci_execute($datetime_format);
|
|
oci_execute($date_format);
|
|
oci_execute($decimal_separator);
|
|
|
|
oci_free_statement($datetime_tz_format);
|
|
oci_free_statement($datetime_format);
|
|
oci_free_statement($date_format);
|
|
oci_free_statement($decimal_separator);
|
|
|
|
foreach ($file_content as $sql_line) {
|
|
$clean_line = trim($sql_line);
|
|
$comment = preg_match("/^(\s|\t)*--.*$/", $clean_line);
|
|
if ($comment) {
|
|
continue;
|
|
}
|
|
|
|
if (empty($clean_line)) {
|
|
continue;
|
|
}
|
|
|
|
// Support for PL/SQL blocks
|
|
if (preg_match('/^BEGIN$/', $clean_line)) {
|
|
$query .= $clean_line.' ';
|
|
$plsql_block = true;
|
|
} else {
|
|
$query .= $clean_line;
|
|
}
|
|
|
|
// Check query's end with a back slash and any returns in the end of line or if it's a PL/SQL block 'END;;' string
|
|
if ((preg_match("/;[\040]*\$/", $clean_line) && !$plsql_block)
|
|
|| (preg_match("/^END;;[\040]*\$/", $clean_line) && $plsql_block)
|
|
) {
|
|
$plsql_block = false;
|
|
// Execute and clean buffer
|
|
// Delete the last semicolon from current query
|
|
$query = substr($query, 0, (strlen($query) - 1));
|
|
$sql = oci_parse($config['dbconnection'], $query);
|
|
$result = oci_execute($sql, OCI_NO_AUTO_COMMIT);
|
|
|
|
if (!$result) {
|
|
// Error. Rollback the transaction
|
|
oracle_db_process_sql_rollback();
|
|
|
|
$e = oci_error($sql);
|
|
|
|
// Handle the error
|
|
if ($handle_error) {
|
|
$backtrace = debug_backtrace();
|
|
$error = sprintf(
|
|
'%s (\'%s\') in <strong>%s</strong> on line %d',
|
|
htmlentities($e['message'], ENT_QUOTES),
|
|
$query,
|
|
$backtrace[0]['file'],
|
|
$backtrace[0]['line']
|
|
);
|
|
db_add_database_debug_trace($query, htmlentities($e['message'], ENT_QUOTES));
|
|
set_error_handler('db_sql_error_handler');
|
|
trigger_error($error);
|
|
restore_error_handler();
|
|
|
|
return false;
|
|
}
|
|
// Throw an exception with the error message
|
|
else {
|
|
throw new Exception($e['message']);
|
|
}
|
|
}
|
|
|
|
$query = '';
|
|
oci_free_statement($sql);
|
|
}
|
|
}
|
|
|
|
// No errors. Commit the transaction
|
|
oracle_db_process_sql_commit();
|
|
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
|
|
function oracle_format_float_to_php($val)
|
|
{
|
|
return floatval(str_replace(',', '.', $val));
|
|
}
|