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| Rev | Author | Line No. | Line |
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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 OIDplusSqlSlangPluginMySQL extends OIDplusSqlSlangPlugin { |
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| 23 | |||
| 24 | public static function id(): string { |
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| 25 | return 'mysql'; |
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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') > 65 ? 65 : OIDplus::baseConfig()->getValue('LIMITS_MAX_OID_ARC_SIZE'); // Limit of "decimal()" type |
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| 38 | |||
| 39 | // 1. sort by namespace (oid, guid, ...) |
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| 40 | $out[] = "SUBSTRING_INDEX($fieldname,':',1) $order"; |
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| 41 | |||
| 42 | // 2. sort by first arc (0,1,2) |
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| 43 | $out[] = "SUBSTRING(SUBSTRING_INDEX($fieldname,'.',1), LENGTH(SUBSTRING_INDEX($fieldname,':',1))+2, $max_arc_len) $order"; |
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| 44 | |||
| 45 | for ($i=2; $i<=OIDplus::baseConfig()->getValue('LIMITS_MAX_OID_DEPTH'); $i++) { |
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| 46 | // 3. Sort by the rest arcs one by one, not that MySQL can only handle decimal(65), not decimal($max_arc_len) |
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| 47 | $out[] = "cast(SUBSTRING(SUBSTRING_INDEX($fieldname,'.',$i), LENGTH(SUBSTRING_INDEX($fieldname,'.',".($i-1)."))+2, $max_arc_len) as decimal($max_arc_len)) $order"; |
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| 48 | } |
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| 49 | |||
| 50 | // 4. as last resort, sort by the identifier itself, e.g. if the casts above did fail (happens if it is not an OID) |
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| 51 | $out[] = "$fieldname $order"; |
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| 52 | |||
| 53 | return implode(', ', $out); |
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| 54 | |||
| 55 | } |
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| 56 | |||
| 57 | public function sqlDate(): string { |
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| 58 | return 'now()'; |
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| 59 | } |
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| 60 | |||
| 61 | public function detect(OIDplusDatabaseConnection $db): bool { |
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| 62 | try { |
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| 63 | $vers = $db->query("select version() as dbms_version")->fetch_object()->dbms_version; |
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| 64 | $vers = strtolower($vers); |
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| 65 | return (strpos($vers, 'mysql') !== false) || (strpos($vers, 'mariadb') !== false); |
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| 1050 | daniel-mar | 66 | } catch (\Exception $e) { |
| 635 | daniel-mar | 67 | return false; |
| 68 | } |
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| 69 | } |
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| 70 | |||
| 71 | public function insert_id(OIDplusDatabaseConnection $db): int { |
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| 72 | $res = $db->query("SELECT LAST_INSERT_ID() AS ID"); |
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| 73 | $row = $res->fetch_array(); |
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| 74 | return (int)$row['ID']; |
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| 75 | } |
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| 76 | |||
| 77 | |||
| 78 | public function setupSetTablePrefix($cont, $table, $prefix): string { |
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| 79 | $cont = str_replace('`'.$table.'`', '`'.$prefix.$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 "CREATE DATABASE IF NOT EXISTS `$database`;\n\n"; |
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| 85 | } |
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| 86 | |||
| 87 | public function setupUseDatabase($database): string { |
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| 88 | return "USE `$database`;\n\n"; |
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| 89 | } |
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| 90 | |||
| 91 | public function isNullFunction($expr1, $expr2): string { |
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| 92 | return "ifnull($expr1, $expr2)"; |
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| 93 | } |
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| 94 | |||
| 95 | public function filterQuery($sql): string { |
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| 96 | return $sql; |
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| 97 | } |
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| 98 | |||
| 99 | public function getSQLBool($bool): string { |
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| 100 | return $bool ? '1' : '0'; |
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| 101 | } |
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| 102 | |||
| 103 | public function escapeString($str): string { |
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| 104 | return str_replace("'", "''", $str); |
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| 105 | } |
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| 106 | } |