public static SqlExpression ParseDefaultValue(string expr, ISqlDialect dialect)
{
if (expr == null)
{
return(null);
}
if (expr.Trim() == "")
{
return(null);
}
if (dialect == null)
{
dialect = new GenericDialect();
}
try
{
ISqlParser par = dialect.CreateParser(expr);
par.AllowOperators = false;
par.AllowSpecialConstantReplacement = true;
var res = par.ParseExpression();
if (res != null && res.XmlPersistent)
{
return(res);
}
}
catch { }
return(new SpecificSqlExpression(expr, dialect != null ? dialect.DialectName : null, SymbolPosition.WholeString(expr)));
}
public override void RunCommand()
{
if (Template == null)
{
throw new CommandLineError("DAE-00153 Missing template argument");
}
IDatabaseSource db = m_connection.GetConnection();
Async.SafeOpen(db.Connection);
IAppObjectSqlGenerator sqlgen = (IAppObjectSqlGenerator)AppObjectSqlGeneratorAddonType.Instance.FindHolder(Template).CreateInstance();
ISqlDialect dial;
if (Dialect != null)
{
dial = (ISqlDialect)DialectAddonType.Instance.FindHolder(Dialect).CreateInstance();
}
else
{
dial = new GenericDialect();
}
using (TextWriter fw = GetOutputStream())
{
SqlOutputStream so = new SqlOutputStream(dial, fw, new SqlFormatProperties());
ISqlDumper dmp = dial.CreateDumper(so, new SqlFormatProperties());
var name = new FullDatabaseRelatedName
{
ObjectName = new NameWithSchema(Objschema, Objname),
ObjectType = Objtype,
SubName = Subname
};
sqlgen.GenerateSql(db, name, dmp, dial);
}
Async.SafeClose(db.Connection);
}
public override ISqlDialect CloneDialect()
{
var res = new GenericDialect();
res.m_builder = this.m_builder;
res.m_factory = this.m_factory;
return(res);
}
public void GenerateFillTable(ITableSource table, TextWriter tw, ISqlDialect dialect)
{
if (dialect == null)
{
dialect = new GenericDialect();
}
ISqlDumper dmp = dialect.CreateDumper(tw, TemplateFormatProps);
GenerateFillTable(table, dmp, dialect);
}
public void GenerateDropAllTables(IDatabaseSource conn, TextWriter tw, ISqlDialect dialect)
{
if (dialect == null)
{
dialect = new GenericDialect();
}
ISqlDumper dmp = dialect.CreateDumper(tw, TemplateFormatProps);
GenerateDropAllTables(conn, dmp, dialect);
}
public static string GenerateScript(this ISqlDialect dialect, Action <ISqlDumper> script, SqlFormatProperties props)
{
StringWriter sw = new StringWriter();
ISqlDumper dmp;
if (dialect != null)
{
dmp = dialect.CreateDumper(sw, props);
}
else
{
dialect = new GenericDialect();
dmp = new InfoSqlDumper(new SqlOutputStream(dialect, sw, props), dialect, props);
}
script(dmp);
return(sw.ToString());
}
public static string SafeGetSql(this SqlExpression expr, ISqlDialect dialect)
{
if (expr == null)
{
return(null);
}
if (dialect == null)
{
dialect = new GenericDialect();
}
try
{
return(dialect.GenerateScript(expr.GenerateSql));
}
catch
{
return(null);
}
}
