Method get_arg_sql

tortoise/functions.py:62–68

(arg, ctx: SqlContext)

class _Concat(functions.Concat):
    @staticmethod
    def get_arg_sql(arg, ctx: SqlContext):
        sql = arg.get_sql(ctx.copy(with_alias=False)) if hasattr(arg, "get_sql") else str(arg)
        # explicitly convert to text for postgres to avoid errors like
        # "could not determine data type of parameter $1"
        if ctx.dialect.value == "postgresql":
            return f"{sql}::text"
        return sql


class Concat(Function):