0,0 → 1,101 |
<?php |
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/* |
* OIDplus 2.0 |
* Copyright 2019 - 2021 Daniel Marschall, ViaThinkSoft |
* |
* Licensed under the Apache License, Version 2.0 (the "License"); |
* you may not use this file except in compliance with the License. |
* You may obtain a copy of the License at |
* |
* http://www.apache.org/licenses/LICENSE-2.0 |
* |
* Unless required by applicable law or agreed to in writing, software |
* distributed under the License is distributed on an "AS IS" BASIS, |
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
* See the License for the specific language governing permissions and |
* limitations under the License. |
*/ |
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if (!defined('INSIDE_OIDPLUS')) die(); |
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class OIDplusSqlSlangPluginPgSQL extends OIDplusSqlSlangPlugin { |
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public static function id(): string { |
return 'pgsql'; |
} |
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public function natOrder($fieldname, $order='asc'): string { |
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$order = strtolower($order); |
if (($order != 'asc') && ($order != 'desc')) { |
throw new OIDplusException(_L('Invalid order "%1" (needs to be "asc" or "desc")',$order)); |
} |
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$out = array(); |
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$max_arc_len = OIDplus::baseConfig()->getValue('LIMITS_MAX_OID_ARC_SIZE') > 131072 ? 131072 : OIDplus::baseConfig()->getValue('LIMITS_MAX_OID_ARC_SIZE'); // Limit of the "numeric()" type |
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// 1. Sort by namespace (oid, guid, ...) |
$out[] = "SPLIT_PART($fieldname, ':', 1) $order"; |
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// 2. Only if namespace is 'oid:': Sort OID as integer array |
$out[] = "STRING_TO_ARRAY(SPLIT_PART($fieldname, 'oid:', 2), '.')::numeric($max_arc_len)[] $order"; |
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// 3. Otherwise order by ID |
$out[] = "$fieldname $order"; |
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return implode(', ', $out); |
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} |
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public function sqlDate(): string { |
return 'now()'; |
} |
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public function detect(OIDplusDatabaseConnection $db): bool { |
try { |
$vers = $db->query("select version() as dbms_version")->fetch_object()->dbms_version; |
$vers = strtolower($vers); |
return strpos($vers, 'postgresql') !== false; |
} catch (Exception $e) { |
return false; |
} |
} |
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public function insert_id(OIDplusDatabaseConnection $db): int { |
$res = $db->query("SELECT LASTVAL() AS ID"); |
$row = $res->fetch_array(); |
return (int)$row['ID']; |
} |
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public function setupSetTablePrefix($cont, $table, $prefix): string { |
$cont = str_replace('"'.$table.'"', '"'.$prefix.$table.'"', $cont); |
$cont = str_replace('"index_'.$table, '"index_'.$prefix.$table, $cont); |
return $cont; |
} |
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public function setupCreateDbIfNotExists($database): string { |
return "-- CREATE DATABASE $database;\n\n"; |
} |
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public function setupUseDatabase($database): string { |
return "-- \connect $database;\n\n"; |
} |
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public function isNullFunction($expr1, $expr2): string { |
return "coalesce($expr1, $expr2)"; |
} |
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public function filterQuery($sql): string { |
return $sql; |
} |
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public function getSQLBool($bool): string { |
return $bool ? '1' : '0'; |
} |
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public function escapeString($str): string { |
return str_replace("'", "''", $str); |
} |
} |