1 | <?php
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2 | // +----------------------------------------------------------------------+
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3 | // | PHP versions 4 and 5 |
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4 | // +----------------------------------------------------------------------+
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5 | // | Copyright (c) 1998-2008 Manuel Lemos, Tomas V.V.Cox, |
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6 | // | Stig. S. Bakken, Lukas Smith |
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7 | // | All rights reserved. |
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8 | // +----------------------------------------------------------------------+
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9 | // | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB |
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10 | // | API as well as database abstraction for PHP applications. |
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11 | // | This LICENSE is in the BSD license style. |
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12 | // | |
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13 | // | Redistribution and use in source and binary forms, with or without |
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14 | // | modification, are permitted provided that the following conditions |
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15 | // | are met: |
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16 | // | |
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17 | // | Redistributions of source code must retain the above copyright |
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18 | // | notice, this list of conditions and the following disclaimer. |
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19 | // | |
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20 | // | Redistributions in binary form must reproduce the above copyright |
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21 | // | notice, this list of conditions and the following disclaimer in the |
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22 | // | documentation and/or other materials provided with the distribution. |
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23 | // | |
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24 | // | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken, |
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25 | // | Lukas Smith nor the names of his contributors may be used to endorse |
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26 | // | or promote products derived from this software without specific prior|
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27 | // | written permission. |
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28 | // | |
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29 | // | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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30 | // | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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31 | // | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
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32 | // | FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
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33 | // | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
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34 | // | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
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35 | // | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|
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36 | // | OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
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37 | // | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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38 | // | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|
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39 | // | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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40 | // | POSSIBILITY OF SUCH DAMAGE. |
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41 | // +----------------------------------------------------------------------+
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42 | // | Author: Paul Cooper <pgc@ucecom.com> |
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43 | // +----------------------------------------------------------------------+
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44 | //
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45 | // $Id: pgsql.php,v 1.11 2008/11/09 19:46:50 quipo Exp $
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46 |
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47 | require_once 'MDB2/Driver/Function/Common.php';
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48 |
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49 | /**
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50 | * MDB2 MySQL driver for the function modules
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51 | *
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52 | * @package MDB2
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53 | * @category Database
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54 | * @author Lukas Smith <smith@pooteeweet.org>
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55 | */
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56 | class MDB2_Driver_Function_pgsql extends MDB2_Driver_Function_Common
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57 | {
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58 | // {{{ executeStoredProc()
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59 |
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60 | /**
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61 | * Execute a stored procedure and return any results
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62 | *
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63 | * @param string $name string that identifies the function to execute
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64 | * @param mixed $params array that contains the paramaters to pass the stored proc
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65 | * @param mixed $types array that contains the types of the columns in
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66 | * the result set
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67 | * @param mixed $result_class string which specifies which result class to use
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68 | * @param mixed $result_wrap_class string which specifies which class to wrap results in
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69 | * @return mixed a result handle or MDB2_OK on success, a MDB2 error on failure
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70 | * @access public
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71 | */
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72 | function &executeStoredProc($name, $params = null, $types = null, $result_class = true, $result_wrap_class = false)
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73 | {
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74 | $db =& $this->getDBInstance();
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75 | if (PEAR::isError($db)) {
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76 | return $db;
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77 | }
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78 |
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79 | $query = 'SELECT * FROM '.$name;
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80 | $query .= $params ? '('.implode(', ', $params).')' : '()';
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81 | return $db->query($query, $types, $result_class, $result_wrap_class);
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82 | }
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83 | // }}}
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84 | // {{{ unixtimestamp()
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85 |
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86 | /**
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87 | * return string to call a function to get the unix timestamp from a iso timestamp
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88 | *
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89 | * @param string $expression
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90 | *
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91 | * @return string to call a variable with the timestamp
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92 | * @access public
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93 | */
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94 | function unixtimestamp($expression)
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95 | {
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96 | return 'EXTRACT(EPOCH FROM DATE_TRUNC(\'seconds\', CAST ((' . $expression . ') AS TIMESTAMP)))';
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97 | }
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98 |
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99 | // }}}
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100 | // {{{ random()
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101 |
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102 | /**
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103 | * return string to call a function to get random value inside an SQL statement
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104 | *
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105 | * @return return string to generate float between 0 and 1
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106 | * @access public
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107 | */
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108 | function random()
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109 | {
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110 | return 'RANDOM()';
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111 | }
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112 |
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113 | // }}}
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114 | }
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115 | ?> |
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