protected void buildTableName(String databaseName, String schemaName, String tableName, StringBuilder script) {
        if (StringUtils.isNotBlank(databaseName)) {
            script.append(databaseName).append('.');
        }
        if (StringUtils.isNotBlank(schemaName)) {
            script.append(schemaName).append('.');
        }

        script.append(tableName);
    }
Generates the base part of the INSERT SQL statement.
Optionally includes column names if provided.

@param databaseName
@param schemaName   Name of the database schema.
@param tableName    Name of the table to insert into.
@param columnList   Optional list of column names.
@return The base part of the INSERT SQL statement.
chat2db-server/chat2db-spi/src/main/java/ai/chat2db/spi/jdbc/DefaultSqlBuilder.java