Lint SQL query and return syntax errors

Some syntax errors are not detected by the parser like trailing commas

Args:
    sql: SQL query to analyze
    dialect: Optional SQL dialect (e.g., 'mysql', 'postgres')

Returns:
    error message or "No syntax errors" if parsing succeeds

Transpile SQL statement to another dialect

Args:
    sql: SQL statement to transpile
    read_dialect: SQL dialect to read from
    write_dialect: SQL dialect to write to

Returns:
    transpiled SQL or syntax error

Extract table and CTE names from SQL statement

Args:
    sql: SQL statement to analyze
    dialect: Optional SQL dialect (e.g., 'mysql', 'postgres')
Returns:
    JSON object containing tables with catalog, database, and alias attributes
    CTEs are returned as "cte" type

Extract column references from SQL statement with table context

Args:
    sql: SQL statement to analyze
    dialect: Optional SQL dialect (e.g., 'mysql', 'postgres')
Returns:
    JSON object containing column references with table context and any errors