Add support for keys with multiple values
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@@ -86,16 +86,24 @@ class CreateTableSQLRewriter extends AbstractSQLRewriter
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}
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// Support for UNIQUE INDEX creation
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$pattern = '/,\s+(UNIQUE |)KEY\s+([^\s]+)\s+\(((?:[\w]+(?:\([\d]+\))?[,]?)*)\)/';
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$pattern = '/,\s*(UNIQUE |)KEY\s+(`[^`]+`|\w+)\s+\(([^)]+)\)/';
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if(preg_match_all($pattern, $sql, $matches, PREG_SET_ORDER)) {
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foreach($matches as $match) {
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$unique = $match[1];
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$index = $match[2];
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$columns = $match[3];
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$columns = preg_replace('/\(\d+\)/', '', $columns);
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// Workaround for index name duplicate
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$index = $table . '_' . $index;
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$sql .= "\nCREATE {$unique}INDEX $index ON $table ($columns);";
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// Removing backticks from the index names
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$index = str_replace('`', '', $index);
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// Removing backticks from the columns
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$columns = str_replace('`', '', $columns);
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// Creating a unique index name
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$indexName = $table . '_' . $index;
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// Appending the CREATE INDEX statement to SQL
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$sql .= "\nCREATE {$unique}INDEX $indexName ON $table ($columns);";
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}
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}
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// Now remove handled indexes
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@@ -105,7 +113,7 @@ class CreateTableSQLRewriter extends AbstractSQLRewriter
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$pattern = "/(,\s*)?UNIQUE KEY\s+[a-zA-Z0-9_]+\s+(\([a-zA-Z0-9_,\s]+\))/";
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$replacement = "$1UNIQUE $2";
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$sql = preg_replace($pattern, $replacement, $sql);
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return $sql;
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}
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}
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