private string GenerateSqlStatementConcrete(HistoryOperation migrationOperation)
{
SQLiteDdlBuilder ddlBuilder = new SQLiteDdlBuilder();
foreach (DbModificationCommandTree commandTree in migrationOperation.CommandTrees)
{
List <DbParameter> parameters;
// Take care because here we have several queries so we can't use parameters...
switch (commandTree.CommandTreeKind)
{
case DbCommandTreeKind.Insert:
ddlBuilder.AppendSql(SQLiteDmlBuilder.GenerateInsertSql((DbInsertCommandTree)commandTree, out parameters, true));
break;
case DbCommandTreeKind.Delete:
ddlBuilder.AppendSql(SQLiteDmlBuilder.GenerateDeleteSql((DbDeleteCommandTree)commandTree, out parameters, true));
break;
case DbCommandTreeKind.Update:
ddlBuilder.AppendSql(SQLiteDmlBuilder.GenerateUpdateSql((DbUpdateCommandTree)commandTree, out parameters, true));
break;
case DbCommandTreeKind.Function:
case DbCommandTreeKind.Query:
default:
throw new InvalidOperationException(string.Format("Command tree of type {0} not supported in migration of history operations", commandTree.CommandTreeKind));
}
ddlBuilder.AppendSql(BATCHTERMINATOR);
}
return(ddlBuilder.GetCommandText());
}
private string GenerateSqlStatementConcrete(AddColumnOperation migrationOperation)
{
SQLiteDdlBuilder ddlBuilder = new SQLiteDdlBuilder();
ddlBuilder.AppendSql("ALTER TABLE ");
ddlBuilder.AppendIdentifier(migrationOperation.Table);
ddlBuilder.AppendSql(" ADD COLUMN ");
ColumnModel column = migrationOperation.Column;
ddlBuilder.AppendIdentifier(column.Name);
TypeUsage storeType = ProviderManifest.GetStoreType(column.TypeUsage);
ddlBuilder.AppendType(storeType, column.IsNullable ?? true, column.IsIdentity);
//DEFAULT VALUE
if (column.DefaultValue != null)
{
if (column.DefaultValue is DateTime defaultValue)
{
var format = "yyyy-MM-dd HH:mm:ss.ffffff";
if (defaultValue.Kind == DateTimeKind.Utc)
{
format += 'Z';
}
ddlBuilder.AppendSql($" DEFAULT '{defaultValue.ToString(format)}'");
}
}
ddlBuilder.AppendNewLine();
return(ddlBuilder.GetCommandText());
}
private string GenerateSqlStatementConcrete(DropTableOperation migrationOperation)
{
var ddlBuilder = new SQLiteDdlBuilder();
ddlBuilder.AppendSql("DROP TABLE ");
ddlBuilder.AppendIdentifier(migrationOperation.Name);
return(ddlBuilder.GetCommandText());
}
private string GenerateSqlStatementConcrete(CreateTableOperation migrationOperation)
{
SQLiteDdlBuilder ddlBuilder = new SQLiteDdlBuilder();
ddlBuilder.AppendSql("CREATE TABLE ");
ddlBuilder.AppendIdentifier(migrationOperation.Name);
ddlBuilder.AppendSql(" (");
ddlBuilder.AppendNewLine();
bool first = true;
string autoincrementColumnName = null;
foreach (ColumnModel column in migrationOperation.Columns)
{
if (first)
{
first = false;
}
else
{
ddlBuilder.AppendSql(",");
}
ddlBuilder.AppendSql(" ");
ddlBuilder.AppendIdentifier(column.Name);
ddlBuilder.AppendSql(" ");
if (column.IsIdentity)
{
autoincrementColumnName = column.Name;
ddlBuilder.AppendSql(" integer constraint ");
ddlBuilder.AppendIdentifier(ddlBuilder.CreateConstraintName("PK", migrationOperation.Name));
ddlBuilder.AppendSql(" primary key autoincrement");
ddlBuilder.AppendNewLine();
}
else
{
TypeUsage storeTypeUsage = ProviderManifest.GetStoreType(column.TypeUsage);
ddlBuilder.AppendType(storeTypeUsage, column.IsNullable ?? true, column.IsIdentity);
if (!String.IsNullOrEmpty(column.DefaultValueSql))
{
ddlBuilder.AppendSql(" DEFAULT ");
ddlBuilder.AppendSql(column.DefaultValueSql);
}
ddlBuilder.AppendNewLine();
}
}
if (migrationOperation.PrimaryKey != null && autoincrementColumnName == null)
{
ddlBuilder.AppendSql(",");
ddlBuilder.AppendSql(GenerateSqlStatementConcrete(migrationOperation.PrimaryKey));
}
ddlBuilder.AppendSql(")");
return(ddlBuilder.GetCommandText());
}
private string GenerateSqlStatementConcrete(DropPrimaryKeyOperation migrationOperation)
{
var ddlBuilder = new SQLiteDdlBuilder();
ddlBuilder.AppendSql("ALTER TABLE ");
ddlBuilder.AppendIdentifier(migrationOperation.Table);
ddlBuilder.AppendSql(" DROP CONSTRAINT ");
ddlBuilder.AppendIdentifier(migrationOperation.Name);
return(ddlBuilder.GetCommandText());
}
private string GenerateSqlStatementConcrete(DropIndexOperation migrationOperation)
{
SQLiteDdlBuilder ddlBuilder = new SQLiteDdlBuilder();
ddlBuilder.AppendSql("DROP INDEX ");
ddlBuilder.AppendIdentifier(SQLiteProviderManifestHelper.GetFullIdentifierName(migrationOperation.Table, migrationOperation.Name));
ddlBuilder.AppendSql(" ON ");
ddlBuilder.AppendIdentifier(migrationOperation.Table);
return(ddlBuilder.GetCommandText());
}
private string GenerateSqlStatementConcrete(RenameTableOperation migrationOperation)
{
var ddlBuilder = new SQLiteDdlBuilder();
ddlBuilder.AppendSql("ALTER TABLE ");
ddlBuilder.AppendIdentifier(migrationOperation.Name);
ddlBuilder.AppendSql(" RENAME TO ");
ddlBuilder.AppendIdentifier(migrationOperation.NewName);
return(ddlBuilder.GetCommandText());
}
private string GenerateSqlStatementConcrete(AddPrimaryKeyOperation migrationOperation)
{
// Actually primary key creation is supported only during table creation
var ddlBuilder = new SQLiteDdlBuilder();
ddlBuilder.AppendSql(" PRIMARY KEY (");
ddlBuilder.AppendIdentifierList(migrationOperation.Columns);
ddlBuilder.AppendSql(")");
return(ddlBuilder.GetCommandText());
}
private string GenerateSqlStatementConcrete(AddColumnOperation migrationOperation)
{
var ddlBuilder = new SQLiteDdlBuilder();
ddlBuilder.AppendSql("ALTER TABLE ");
ddlBuilder.AppendIdentifier(migrationOperation.Table);
ddlBuilder.AppendSql(" ADD COLUMN ");
var column = migrationOperation.Column;
ddlBuilder.AppendIdentifier(column.Name);
ddlBuilder.AppendSql(" ");
var storeType = this.ProviderManifest.GetStoreType(column.TypeUsage);
ddlBuilder.AppendType(storeType, column.IsNullable ?? true, column.IsIdentity);
ddlBuilder.AppendNewLine();
return(ddlBuilder.GetCommandText());
}
private string GenerateSqlStatementConcrete(CreateIndexOperation migrationOperation)
{
SQLiteDdlBuilder ddlBuilder = new SQLiteDdlBuilder();
ddlBuilder.AppendSql("CREATE ");
if (migrationOperation.IsUnique)
{
ddlBuilder.AppendSql("UNIQUE ");
}
ddlBuilder.AppendSql("INDEX ");
ddlBuilder.AppendIdentifier(SQLiteProviderManifestHelper.GetFullIdentifierName(migrationOperation.Table, migrationOperation.Name));
ddlBuilder.AppendSql(" ON ");
ddlBuilder.AppendIdentifier(migrationOperation.Table);
ddlBuilder.AppendSql(" (");
ddlBuilder.AppendIdentifierList(migrationOperation.Columns);
ddlBuilder.AppendSql(")");
return(ddlBuilder.GetCommandText());
}
