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635 | daniel-mar | 1 | <?php |
2 | |||
3 | /* |
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4 | * OIDplus 2.0 |
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5 | * Copyright 2019 - 2021 Daniel Marschall, ViaThinkSoft |
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6 | * |
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7 | * Licensed under the Apache License, Version 2.0 (the "License"); |
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8 | * you may not use this file except in compliance with the License. |
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9 | * You may obtain a copy of the License at |
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10 | * |
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11 | * http://www.apache.org/licenses/LICENSE-2.0 |
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12 | * |
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13 | * Unless required by applicable law or agreed to in writing, software |
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14 | * distributed under the License is distributed on an "AS IS" BASIS, |
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15 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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16 | * See the License for the specific language governing permissions and |
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17 | * limitations under the License. |
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18 | */ |
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19 | |||
1050 | daniel-mar | 20 | namespace ViaThinkSoft\OIDplus; |
635 | daniel-mar | 21 | |
22 | class OIDplusSqlSlangPluginMsSQL extends OIDplusSqlSlangPlugin { |
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23 | |||
24 | public static function id(): string { |
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25 | return 'mssql'; |
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26 | } |
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27 | |||
28 | public function natOrder($fieldname, $order='asc'): string { |
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29 | |||
30 | $order = strtolower($order); |
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31 | if (($order != 'asc') && ($order != 'desc')) { |
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32 | throw new OIDplusException(_L('Invalid order "%1" (needs to be "asc" or "desc")',$order)); |
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33 | } |
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34 | |||
35 | $out = array(); |
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36 | |||
37 | $max_arc_len = OIDplus::baseConfig()->getValue('LIMITS_MAX_OID_ARC_SIZE'); |
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38 | |||
39 | // 1. sort by namespace (oid, guid, ...) |
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40 | $out[] = "SUBSTRING($fieldname,1,CHARINDEX(':',$fieldname)-1) $order"; |
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41 | |||
42 | for ($i=1; $i<=OIDplus::baseConfig()->getValue('LIMITS_MAX_OID_DEPTH'); $i++) { |
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43 | // 2. Sort by the rest arcs one by one; note that MySQL can only handle decimal(65), not decimal($max_arc_len) |
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44 | $out[] = "dbo.getOidArc($fieldname, $max_arc_len, $i) $order"; |
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45 | } |
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46 | |||
47 | // 3. as last resort, sort by the identifier itself, e.g. if the function getOidArc always return 0 (happens if it is not an OID) |
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48 | $out[] = "$fieldname $order"; |
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49 | |||
50 | return implode(', ', $out); |
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51 | |||
52 | } |
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53 | |||
54 | public function sqlDate(): string { |
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55 | return 'getdate()'; |
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56 | } |
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57 | |||
58 | public function detect(OIDplusDatabaseConnection $db): bool { |
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59 | try { |
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60 | $vers = $db->query("select @@version as dbms_version")->fetch_object()->dbms_version; |
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61 | $vers = strtolower($vers); |
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62 | return strpos($vers, 'microsoft sql server') !== false; |
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1050 | daniel-mar | 63 | } catch (\Exception $e) { |
635 | daniel-mar | 64 | return false; |
65 | } |
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66 | } |
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67 | |||
68 | public function insert_id(OIDplusDatabaseConnection $db): int { |
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69 | // Note: SCOPE_IDENTITY() does not work, does only give 0. |
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70 | // $res = $db->query("SELECT SCOPE_IDENTITY() AS ID"); |
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71 | $res = $db->query("SELECT @@IDENTITY AS ID"); |
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72 | $row = $res->fetch_array(); |
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73 | return (int)$row['ID']; |
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74 | } |
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75 | |||
76 | public function setupSetTablePrefix($cont, $table, $prefix): string { |
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77 | $cont = str_replace('['.$table.']', '['.$prefix.$table.']', $cont); |
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78 | $cont = str_replace("'dbo.$table'", "'dbo.$prefix$table'", $cont); |
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79 | $cont = str_replace('PK_'.$table, 'PK_'.$prefix.$table, $cont); |
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80 | $cont = str_replace('IX_'.$table, 'PK_'.$prefix.$table, $cont); |
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81 | $cont = str_replace('DF__'.$table, 'DF__'.$prefix.$table, $cont); |
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82 | return $cont; |
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83 | } |
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84 | |||
85 | public function setupCreateDbIfNotExists($database): string { |
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86 | return ""; |
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87 | } |
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88 | |||
89 | public function setupUseDatabase($database): string { |
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90 | return "USE [$database]\n\nGO\n\n"; |
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91 | } |
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92 | |||
93 | public function isNullFunction($expr1, $expr2): string { |
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94 | return "isnull($expr1, $expr2)"; |
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95 | } |
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96 | |||
97 | public function filterQuery($sql): string { |
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98 | return $sql; |
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99 | } |
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100 | |||
101 | public function getSQLBool($bool): string { |
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102 | return $bool ? '1' : '0'; |
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103 | } |
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104 | |||
105 | public function escapeString($str): string { |
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106 | return str_replace("'", "''", $str); |
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107 | } |
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108 | } |