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| Rev | Author | Line No. | Line |
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| 274 | daniel-mar | 1 | <?php |
| 2 | |||
| 3 | /* |
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| 4 | * OIDplus 2.0 |
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| 5 | * Copyright 2019 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 | |||
| 20 | class OIDplusSqlSlangPluginMsSQL extends OIDplusSqlSlangPlugin { |
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| 21 | |||
| 22 | public static function id(): string { |
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| 23 | return 'mssql'; |
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| 24 | } |
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| 25 | |||
| 26 | public function natOrder($fieldname, $order='asc'): string { |
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| 27 | |||
| 28 | $order = strtolower($order); |
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| 29 | if (($order != 'asc') && ($order != 'desc')) { |
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| 30 | throw new OIDplusException("Invalid order '$order' (needs to be 'asc' or 'desc')"); |
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| 31 | } |
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| 32 | |||
| 33 | $out = array(); |
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| 34 | |||
| 35 | $max_arc_len = OIDplus::baseConfig()->getValue('LIMITS_MAX_OID_ARC_SIZE'); |
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| 36 | |||
| 37 | // 1. sort by namespace (oid, guid, ...) |
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| 38 | $out[] = "SUBSTRING($fieldname,1,CHARINDEX(':',$fieldname)-1) $order"; |
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| 39 | |||
| 40 | for ($i=1; $i<=OIDplus::baseConfig()->getValue('LIMITS_MAX_OID_DEPTH'); $i++) { |
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| 41 | // 2. Sort by the rest arcs one by one; note that MySQL can only handle decimal(65), not decimal($max_arc_len) |
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| 42 | $out[] = "dbo.getOidArc($fieldname, $max_arc_len, $i) $order"; |
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| 43 | } |
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| 44 | |||
| 45 | // 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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| 46 | $out[] = "$fieldname $order"; |
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| 47 | |||
| 48 | return implode(', ', $out); |
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| 49 | |||
| 50 | } |
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| 51 | |||
| 52 | public function sqlDate(): string { |
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| 53 | return 'getdate()'; |
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| 54 | } |
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| 55 | |||
| 56 | public function detect(): bool { |
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| 57 | try { |
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| 58 | $vers = $this->query("select @@version as dbms_version")->fetch_object()->dbms_version; |
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| 59 | $vers = strtolower($vers); |
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| 60 | return strpos($vers, 'microsoft sql server') !== false; |
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| 61 | } catch (Exception $e) { |
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| 62 | return false; |
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| 63 | } |
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| 64 | } |
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| 65 | |||
| 66 | public function insert_id(): int { |
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| 67 | // Note: SCOPE_IDENTITY() does not work, does only give 0. |
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| 68 | // $res = $this->query("SELECT SCOPE_IDENTITY() AS ID"); |
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| 69 | $res = $this->query("SELECT @@IDENTITY AS ID"); |
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| 70 | $row = $res->fetch_array(); |
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| 71 | return (int)$row['ID']; |
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| 72 | } |
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| 73 | |||
| 74 | public function setupSetTablePrefix($cont, $table, $prefix): string { |
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| 75 | $cont = str_replace('['.$table.']', '['.$prefix.$table.']', $cont); |
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| 76 | $cont = str_replace("'dbo.$table'", "'dbo.$prefix$table'", $cont); |
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| 77 | $cont = str_replace('PK_'.$table, 'PK_'.$prefix.$table, $cont); |
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| 78 | $cont = str_replace('IX_'.$table, 'PK_'.$prefix.$table, $cont); |
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| 79 | $cont = str_replace('DF__'.$table, 'DF__'.$prefix.$table, $cont); |
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| 80 | return $cont; |
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| 81 | } |
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| 82 | |||
| 83 | public function setupCreateDbIfNotExists($database): string { |
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| 84 | return ""; |
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| 85 | } |
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| 86 | |||
| 87 | public function setupUseDatabase($database): string { |
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| 88 | return "USE [$database]\n\nGO\n\n"; |
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| 89 | } |
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| 90 | |||
| 91 | } |