Add Column Casting Support to Filter Nodes

[mcamara]

Description

This PR introduces functionality to support database-level casting for columns in filter nodes using sea-query. It allows users to specify a casting type for columns through the FilterNodeOptions and ensures proper integration with SeaQuery queries.

Key Changes

1. New cast_column_as Option in FilterNodeOptions:

   • Added a new field, cast_column_as, to FilterNodeOptions for specifying the cast type of a column.
   • Updated the macro generation logic to allow this attribute to be set via cast_column_as in modql attributes.

2. Column Casting Implementation in sea_utils:

   • Added into_node_column_expr to handle casting for ColumnRef instances.
   • Integrated this function into filter operations for generating proper SQL expressions with casting applied.

3. Version Upgrades:

   • Updated dependencies:
     • sea-query: Bumped from 0.31 to 0.32.
     • rusqlite: Bumped from 0.31 to 0.32.
     • sea-query-rusqlite: Updated from 0.6 to 0.7.

4. Macro Updates:

   • Modified derive_filter_nodes_inner to generate code for setting cast_column_as in filter node options.
   • Updated the attribute parsing logic in utils.rs to handle the new cast_column_as attribute.

5. Filter Operation Updates:

   • Updated various filter operation modules (op_val_string.rs, op_val_value.rs) to use into_node_column_expr for consistent column handling with casting.

Example

Using the new feature in a filter:

struct PostFilter {
  #[modql(cast_column_as = "text")]
  title: String,
}

Generates SQL like:

CAST("posts"."title" AS text) ILIKE $1

@jeremychone let me know what you think of this addition and feel free to add any feedback to it! Thanks!

[jeremychone]

@mcamara First, thank you very much, this is very interesting.

However, I had to merge the previous PR regarding SeaQuery 3.2, and now your branch has a minor conflict.

Could you resolve it and merge all the commits in this PR into one, so I can easily review the code changes?

Thanks a lot!