55 lines
1.3 KiB
PHP
55 lines
1.3 KiB
PHP
<?php
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namespace nulib\db\_private;
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class _create extends _common {
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const SCHEMA = [
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"prefix" => "?string",
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"table" => "string",
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"schema" => "?array",
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"cols" => "?array",
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"suffix" => "?string",
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];
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static function isa(string $sql): bool {
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#XXX implémentation minimale
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return preg_match("/^create(?:\s+table)?\b/i", $sql);
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}
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static function parse(array $query, ?array &$bindings=null): string {
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#XXX implémentation minimale
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$tmpsql = self::merge_seq($query);
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self::consume('create(?:\s+table)?\b', $tmpsql);
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$sql = ["create table"];
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if ($tmpsql) $sql[] = $tmpsql;
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## préfixe
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$prefix = $query["prefix"] ?? null;
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if ($prefix !== null) $sql[] = $prefix;
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## table
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$table = $query["table"] ?? null;
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if ($table !== null) $sql[] = $table;
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## columns
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$cols = $query["cols"] ?? null;
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if ($cols !== null) {
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$index = 0;
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foreach ($cols as $col => &$definition) {
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if ($col === $index) {
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$index++;
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} else {
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$definition = "$col $definition";
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}
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}; unset($definition);
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$sql[] = "(\n ".implode("\n, ", $cols)."\n)";
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}
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## suffixe
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$suffix = $query["suffix"] ?? null;
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if ($suffix !== null) $sql[] = $suffix;
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## fin de la requête
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return implode(" ", $sql);
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}
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}
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