/// <summary>
/// Sql命令进行格式化，把对应的ID={i}转化成对应的ID=?
/// </summary>
/// <param name="cmd"></param>
/// <param name="provider">访问管理器</param>
/// <param name="sql">格式化的Sql文本</param>
/// <param name="paramers">格式化的参数集</param>
static string Format(SqlParamer pfx, DbProvider provider, bool autoPfx, DbCommand cmd, String sql, object[] paramers)
{
pfx.autoPfx = autoPfx;
pfx.provider = provider;
pfx.cmd = cmd;
pfx.paramers = paramers;
pfx.paramPfx = "A";
string prefixion = provider.Prefixion;
if (String.IsNullOrEmpty(prefixion) == false)
{
switch (provider.Delimiter)
{
case ".":
pfx.Prefixion = String.Format("{0}{1}{2}.{0}", provider.QuotePrefix, prefixion, provider.QuoteSuffix);
break;
default:
pfx.Prefixion = String.Format("{0}{1}{2}", provider.QuotePrefix, prefixion, provider.Delimiter);
break;
}
}
else
{
pfx.Prefixion = provider.QuotePrefix;
}
return(pfx.Do(sql).ToString());
}
object Progress(CommandRun cmdAcs, string sqlText, params object[] paramers)
{
return(Command(cmd =>
{
cmd.Parameters.Clear();
this.script = Script.Create(sqlText, paramers);
switch (paramers.Length)
{
case 1:
if (paramers[0] is System.Collections.IDictionary)
{
cmd.CommandText = SqlParamer.Format(this.dbProvider, this.isAutoPfx, cmd, sqlText, (System.Collections.IDictionary)paramers[0]);
}
else
{
goto default;
}
break;
default:
cmd.CommandText = SqlParamer.Format(this.dbProvider, this.isAutoPfx, cmd, sqlText, paramers);
break;
}
return cmdAcs(cmd);
}));
}
int[] ISqler.ExecuteNonQuery(IDictionary paramKeys, params string[] sqlTexts)
{
var list = new List <int>();
this.Command(cmd =>
{
for (var i = 0; i < sqlTexts.Length; i++)
{
var sqlText = sqlTexts[i];
try
{
cmd.Parameters.Clear();
cmd.CommandText = SqlParamer.Format(this.dbProvider, this.isAutoPfx, cmd, sqlText, paramKeys);
list.Add(cmd.ExecuteNonQuery());
}
catch
{
list.Add(-1);
}
}
return(0);
});
return(list.ToArray());
}
public static string Format(DbProvider provider, bool autoPfx, DbCommand cmd, String sql, System.Collections.IDictionary diction)
{
var parms = new List <object>();
SqlParamer pfx = new SqlParamer();
AppendDictionary(diction, provider.Prefixion);
System.Collections.IDictionaryEnumerator em = diction.GetEnumerator();
while (em.MoveNext())
{
if (em.Key is String)
{
pfx.keys.Add(em.Key as string);
parms.Add(em.Value);
}
}
return(Format(pfx, provider, autoPfx, cmd, sql, parms.ToArray()));
}
void ISqler.Execute(System.Predicate <Script> predicate, System.Action <DbCommand> action)
{
this.Command(cmd =>
{
this.script = Script.Create(String.Empty, new object[0]);
while (predicate(this.script))
{
if (String.IsNullOrEmpty(this.script.Text))
{
break;
}
else
{
cmd.Parameters.Clear();
cmd.CommandText = SqlParamer.Format(this.dbProvider, this.isAutoPfx, cmd, this.script.Text, this.script.Arguments);
action(cmd);
this.script.Reset(String.Empty);
}
}
return(0);
});
}
