SqlServerMigrationsSqlGenerator.DropDefaultConstraint Method
Definition
Important
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Generates a SQL fragment to drop default constraints for a column.
protected virtual void DropDefaultConstraint (string schema, string tableName, string columnName, Microsoft.EntityFrameworkCore.Migrations.MigrationCommandListBuilder builder);protected virtual void DropDefaultConstraint (string? schema, string tableName, string columnName, Microsoft.EntityFrameworkCore.Migrations.MigrationCommandListBuilder builder);abstract member DropDefaultConstraint : string * string * string * Microsoft.EntityFrameworkCore.Migrations.MigrationCommandListBuilder -> unit
override this.DropDefaultConstraint : string * string * string * Microsoft.EntityFrameworkCore.Migrations.MigrationCommandListBuilder -> unitProtected Overridable Sub DropDefaultConstraint (schema As String, tableName As String, columnName As String, builder As MigrationCommandListBuilder)Parameters
- schema
- String
The schema that contains the table.
- tableName
- String
The table that contains the column.
- columnName
- String
The column.
- builder
- MigrationCommandListBuilder
The command builder to use to add the SQL fragment.
Applies to
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Entity Framework