getIndexSql method
Implementation
String getIndexSql(TableName tableName) {
return """SELECT a.attname
FROM pg_index i
JOIN pg_attribute a ON a.attrelid = i.indrelid
AND a.attnum = ANY(i.indkey)
WHERE i.indrelid = '${tableName.fixedDoubleName}'::regclass
AND i.indisprimary;""";
}