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53 lines
1.5 KiB
PHP
53 lines
1.5 KiB
PHP
<?php
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/**
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* Minimal file (with all the needed includes) to check the validity of an OQL by verifying:
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* - The syntax (of the OQL query string)
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* - The consistency with a given data model (represented by an instance of ModelReflection)
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*
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* Usage:
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*
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* require_once(APPROOT.'core/oql/check_oql.php');
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*
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* $sOQL = "SELECT Zerver WHERE status = 'production'";
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* $oModelReflection = new ModelReflectionRuntime();
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* $aResults = CheckOQL($sOQL, $oModelReflection);
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* if ($aResults['status'] == 'error')
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* {
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* echo "The query '$sOQL' is not a valid query. Reason: {$aResults['message']}";
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* }
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* else
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* {
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* echo "Ok, '$sOQL' is a valid query";
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* }
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*/
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if (!class_exists('CoreException', false))
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{
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class CoreException extends Exception
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{
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}
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}
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require_once(__DIR__.'/expression.class.inc.php');
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require_once(__DIR__.'/oqlquery.class.inc.php');
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require_once(__DIR__.'/oqlexception.class.inc.php');
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require_once(__DIR__.'/oql-parser.php');
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require_once(__DIR__.'/oql-lexer.php');
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require_once(__DIR__.'/oqlinterpreter.class.inc.php');
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function CheckOQL($sOQL, ModelReflection $oModelReflection)
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{
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$aRes = array('status' => 'ok', 'message' => '');
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try
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{
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$oOql = new OqlInterpreter($sOQL);
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$oOqlQuery = $oOql->ParseQuery(); // Exceptions thrown in case of issue
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$oOqlQuery->Check($oModelReflection,$sOQL); // Exceptions thrown in case of issue
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}
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catch(Exception $e)
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{
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$aRes['status'] = 'error';
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$aRes['message'] = $e->getMessage();
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}
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return $aRes;
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} |