Enum AlterTableOperation 

pub enum AlterTableOperation<'until_build, 'post_build> {
    RenameTo {
        name: String,
    },
    RenameColumnTo {
        column_name: String,
        new_column_name: String,
    },
    AddColumn {
        operation: CreateColumnImpl<'until_build, 'post_build>,
    },
    DropColumn {
        name: String,
    },
    AlterColumn {
        name: &'until_build str,
        operation: AlterColumnOperation,
    },
}

Representation of operations to execute in the context of an ALTER TABLE statement.

Variants

RenameTo

Use this operation to rename a table

Fields

name: String

New name of the table

RenameColumnTo

Use this operation to rename a column within a table

Fields

column_name: String

Current column name

new_column_name: String

New column name

AddColumn

Use this operation to add a column to an existing table.

Fields

operation: CreateColumnImpl<'until_build, 'post_build>

Operation to use for adding the column

DropColumn

Use this operation to drop an existing column.

Fields

name: String

Name of the column to drop

AlterColumn

Use this operation to change an existing column in place, preserving its data.

Which change to make is decided by the caller: this operation renders the single statement it is given and nothing else.

Fields

name: &'until_build str

Name of the column to alter

operation: AlterColumnOperation

The change to apply to it

Trait Implementations

impl<'until_build, 'post_build> Debug for AlterTableOperation<'until_build, 'post_build>

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.