protected override void Generate(EnsureSchemaOperation operation, IModel model, RelationalCommandListBuilder builder)
{
}
protected override void Generate(EnsureSchemaOperation operation, IModel model, MigrationCommandListBuilder builder)
{
throw new NotSupportedException(SqliteStrings.SchemasNotSupported);
}
protected override void Generate(EnsureSchemaOperation operation, IModel model, MigrationCommandListBuilder builder)
{
Check.NotNull(operation, nameof(operation));
Check.NotNull(builder, nameof(builder));
builder
.AppendLine($"CREATE OR REPLACE FUNCTION MyCat_ef_ensure_schema() RETURNS VOID")
.AppendLine($"BEGIN")
.AppendLine($" IF NOT EXISTS(SELECT 1 FROM `information_schema`.`SCHEMATA` where `SCHEMA_NAME` = '{ operation.Name }')")
.AppendLine($" THEN")
.AppendLine($" CREATE SCHEMA { operation.Name };")
.AppendLine($" END IF;")
.AppendLine($"END")
.AppendLine(SqlGenerationHelper.BatchTerminator);
}
protected override void Generate(EnsureSchemaOperation operation, IModel model, MigrationCommandListBuilder builder)
{
Check.NotNull(operation, nameof(operation));
Check.NotNull(builder, nameof(builder));
if (string.Equals(operation.Name, "DBO", StringComparison.OrdinalIgnoreCase))
{
return;
}
builder
.Append("IF SCHEMA_ID(")
.Append(SqlGenerationHelper.GenerateLiteral(operation.Name))
.Append(") IS NULL EXEC(N'CREATE SCHEMA ")
.Append(SqlGenerationHelper.DelimitIdentifier(operation.Name))
.Append("')")
.AppendLine(SqlGenerationHelper.StatementTerminator);
EndStatement(builder);
}