Fix schema-qualified table names for PostgreSQL #45
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Previously, a table name like `schema.table` would be quoted as
`"schema.table"`, which PostgreSQL interprets as a single identifier
containing a literal dot character.
This change splits the table name on `.` and quotes each part
separately, producing `"schema"."table"` which PostgreSQL correctly
interprets as schema + table.
This allows using schema-qualified table names in the `#[ormx(table = ...)]`
attribute, e.g.:
```rust
#[derive(ormx::Table)]
#[ormx(table = "my_schema.users", id = id)]
struct User { ... }
```
Added an example demonstrating schema-qualified table usage with `app.products`.
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Summary
This PR fixes an issue where schema-qualified table names (e.g.,
schema.table) were being incorrectly quoted in generated SQL.The Problem
When using a table name like
yahoo.exchanges:The generated SQL would quote the entire name as
"yahoo.exchanges", which PostgreSQL interprets as a single identifier containing a literal dot character. This causes errors like:The Fix
The
name()method now splits the table name on.and quotes each part separately, producing"yahoo"."exchanges"which PostgreSQL correctly interprets as schema + table.Testing
example-postgresthat creates anappschema with aproductstable#[ormx(table = "app.products", ...)]