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        return true;
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        return true;
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    }
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    }
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}
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}
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/**
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 * Primitive function to generate a SQL string from a parse tree
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 * using TEXT indexes. If searches aren't suitable to use TEXT
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 * this function calls the default search_generate_SQL() one.
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 *
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 * @deprecated since Moodle 2.9 MDL-48939
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 * @todo MDL-48940 This will be deleted in Moodle 3.2
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 * @see search_generate_SQL()
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 */
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function search_generate_text_SQL($parsetree, $datafield, $metafield, $mainidfield, $useridfield,
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                             $userfirstnamefield, $userlastnamefield, $timefield, $instancefield) {
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    debugging('search_generate_text_SQL() is deprecated, please use search_generate_SQL() instead.', DEBUG_DEVELOPER);
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    return search_generate_SQL($parsetree, $datafield, $metafield, $mainidfield, $useridfield,
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                               $userfirstnamefield, $userlastnamefield, $timefield, $instancefield);
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}
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/**
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/**
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 * Primitive function to generate a SQL string from a parse tree.
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 * Primitive function to generate a SQL string from a parse tree.
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 * Parameters:
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 * Parameters:
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 *
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 *
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 * $parsetree should be a parse tree generated by a
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 * $parsetree should be a parse tree generated by a
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        }
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        }
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        $type = $parsetree[$i]->getType();
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        $type = $parsetree[$i]->getType();
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        $value = $parsetree[$i]->getValue();
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        $value = $parsetree[$i]->getValue();
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    /// Under Oracle and MSSQL, transform TOKEN searches into STRING searches and trim +- chars
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        // Under MSSQL, transform TOKEN searches into STRING searches and trim +- chars.
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        if (!$DB->sql_regex_supported()) {
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        if (!$DB->sql_regex_supported()) {
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            $value = trim($value, '+-');
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            $value = trim($value, '+-');
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            if ($type == TOKEN_EXACT) {
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            if ($type == TOKEN_EXACT) {