Add Documentation For New Attributes SeaQL/sea-orm#2160 (#121)

Author: anshap1719

SeaORM/docs/04-generate-entity/02-entity-structure.md

@@ -42,16 +42,36 @@ The `DeriveEntityModel` macro does all the heavy lifting of defining an `Entity`
 The `table_name` attribute specifies the corresponding table in the database.
 Optionally, you can also specify the database schema or database name by `schema_name`.
 
+### Column Names
+
+By default, all column names are assumed to be in snake_case. You can override this behaviour for all columns in a model by specifying the `rename_all` attribute.
+
+<details>
+    <summary>You can find a list of valid values for the `rename_all` attribute below</summary>
+
+- camelCase
+- kebab-case
+- mixed_case
+- SCREAMING_SNAKE_CASE
+- snake_case
+- title_case
+- UPPERCASE
+- lowercase
+- SCREAMING-KEBAB-CASE
+- PascalCase
+
+</details>
+
 ```rust
-#[sea_orm(table_name = "cake", schema_name = "public")]
+#[sea_orm(rename_all = "camelCase")]
 pub struct Model { ... }
 ```
 
 ## Column
 
 ### Column Name
 
-All column names are assumed to be in snake-case. You can override the column name by specifying the `column_name` attribute.
+All column names are assumed to be in snake-case, unless overridden by the [`rename_all`](#column-names) attribute on Model. You can override the column name by specifying the `column_name` attribute.
 
 ```rust
 #[sea_orm(column_name = "name")]

SeaORM/docs/04-generate-entity/04-enumeration.md

@@ -4,6 +4,10 @@ You can use Rust enums in model where the values are mapped to a database string
 
 ### String
 
+For string enums, in addition to being able to specify the string value for each variant, you can also specify the `rename_all` attribute on the Enum if all the values should have string values based on case-transformations.
+
+#### Manual string values
+
 ```rust
 #[derive(EnumIter, DeriveActiveEnum)]
 #[sea_orm(rs_type = "String", db_type = "String(Some(1))")]
@@ -15,6 +19,48 @@ pub enum Category {
 }
 ```
 
+#### Derived string values from variants
+
+```rust
+#[derive(EnumIter, DeriveActiveEnum)]
+#[sea_orm(rs_type = "String", db_type = "String(Some(1))")]
+pub enum Category {
+    #[sea_orm(string_value = "bigTask")]
+    BigTask,
+    #[sea_orm(string_value = "smallBreak")]
+    SmallWork,
+}
+```
+Alternatively, you could write:
+```rust
+#[derive(EnumIter, DeriveActiveEnum)]
+#[sea_orm(
+    rs_type = "String",
+    db_type = "String(Some(1))",
+    rename_all = "camelCase"
+)]
+pub enum Category {
+    BigTask,
+    SmallWork,
+}
+```
+
+<details>
+    <summary>You can find a list of valid values for the `rename_all` attribute below</summary>
+
+- camelCase
+- kebab-case
+- mixed_case
+- SCREAMING_SNAKE_CASE
+- snake_case
+- title_case
+- UPPERCASE
+- lowercase
+- SCREAMING-KEBAB-CASE
+- PascalCase
+
+</details>
+
 ### Integers
 
 ```rust