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Add Column.expression

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This commit is contained in:
Tobe O 2019-08-17 18:24:54 -04:00
parent a05f15b3df
commit 860e8029c2
1 changed files with 8 additions and 1 deletions
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9
angel_orm/lib/src/migration.dart
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@ -26,11 +26,18 @@ class Column {
/// Specifies what kind of index this column is, if any. /// Specifies what kind of index this column is, if any.
final IndexType indexType; final IndexType indexType;
/// A custom SQL expression to execute, instead of a named column.
final String expression;
const Column( const Column(
{this.isNullable = true, {this.isNullable = true,
this.length, this.length,
this.type, this.type,
this.indexType = IndexType.none}); this.indexType = IndexType.none,
this.expression});
/// Returns `true` if [expression] is not `null`.
bool get hasExpression => expression != null;
} }
class PrimaryKey extends Column { class PrimaryKey extends Column {