protected virtual void CacheOracleDbTypeEnumValues(DbCommand command) {
var assembly = command.GetType().GetTypeInfo().Assembly;
var typeEnum = assembly.GetType(OracleDbTypeEnumName);
ReflectionCache.DbTypeRefCursor = Enum.Parse(typeEnum, "RefCursor");
ReflectionCache.DbTypeBlob = Enum.Parse(typeEnum, "Blob");
ReflectionCache.DbTypeDate = Enum.Parse(typeEnum, "Date");
}
///// <summary>
///// 设置Oracle DbCommand 参数绑定的模式。
///// </summary>
///// <param name="db"></param>
///// <param name="dbCmd"></param>
///// <param name="byName"></param>
public void SetDbCmdParamterBindByName(Database db, System.Data.Common.DbCommand dbCmd, bool byName)
{
var databaseType = MB.Orm.Persistence.DatabaseHelper.GetDatabaseType(db);
if (databaseType == DatabaseType.Oracle)
{
//edit by 陈迪臣 修改Oracle 参数的顺序的问题,默认情况下通过名称来匹配
if (dbCmd.GetType().FullName == "Oracle.DataAccess.Client.OracleCommand") //
{
PropertyInfo proInfo = dbCmd.GetType().GetProperty("BindByName");
if (proInfo != null)
{
proInfo.SetValue(dbCmd, true, null);
}
}
}
}
private static void EnsureOracleBindByName(DbCommand cmd)
{
//Oracle.DataAccess.Client only binds first parameter match unless BindByName=true
//so we violate LiskovSP (in reflection to avoid dependency on ODP)
if (cmd.GetType().GetProperty("BindByName") != null)
{
cmd.GetType().GetProperty("BindByName").SetValue(cmd, true, null);
}
}
static internal Exception PrepareParameterScale(DbCommand cmd, string type)
{
return InvalidOperation(Res.GetString(Res.ADP_PrepareParameterScale, cmd.GetType().Name, type));
}
static internal Exception PrepareParameterSize(DbCommand cmd)
{
return(InvalidOperation(Res.GetString(Res.ADP_PrepareParameterSize, cmd.GetType().Name)));
}
public DataTable Query( DbCommand cmd )
{
if ( cmd == null )
{
throw new ArgumentNullException( "cmd" );
}
SQLiteCommand sqliteCmd = cmd as SQLiteCommand;
if ( cmd == null )
{
throw new ArgumentException( "command has invalid type: " + cmd.GetType() );
}
Open( false );
if ( sqliteCmd.Connection != myConnection )
{
sqliteCmd.Connection = myConnection;
}
// TODO: use:
// DbDataReader reader = cmd.ExecuteReader();
// table.Load( reader );
SQLiteDataAdapter dataAdapter = new SQLiteDataAdapter( sqliteCmd );
DataTable table = new DataTable();
table.Locale = CultureInfo.InvariantCulture;
dataAdapter.Fill( table );
return table;
}
protected virtual bool DatabaseEngineIs(DbCommand command, params System.String[] flavors)
{
return DatabaseEngineIs(command.GetType().FullName, flavors);
}
/// <summary>
/// Gets the format of the parameter, to avoid query the schema the parameter
/// format is cached with the type of the parameter. This version is used
/// for the old interface of DataAccess based on anonimous function.
/// </summary>
/// <param name="command"></param>
/// <returns></returns>
private static String GetParameterFormat(DbCommand command)
{
String typeName = command.GetType().FullName;
if (!mParametersFormat.ContainsKey(typeName))
{
mParametersFormat.Add(typeName,
command.Connection.GetSchema("DataSourceInformation")
.Rows[0]["ParameterMarkerFormat"].ToString());
}
return mParametersFormat[typeName];
}
internal static Exception PrepareParameterSize(DbCommand cmd)
{
return InvalidOperation(Res.GetString(Res.ADP_PrepareParameterSize, cmd.GetType().Name));
}
private void ConfigureCommandForSelect(DbCommand command, ViewPage page, SelectClauseDictionary expressions, string fromClause, string whereClause, string orderByClause, CommandConfigurationType commandConfiguration)
{
bool useServerPaging = ((commandConfiguration != CommandConfigurationType.SelectDistinct && !(_serverRules.EnableResultSet)) && (commandConfiguration != CommandConfigurationType.SelectAggregates && commandConfiguration != CommandConfigurationType.SelectFirstLetters));
bool useLimit = SupportsLimitInSelect(command);
bool useSkip = SupportsSkipInSelect(command);
if (useServerPaging)
page.AcceptAllRows();
StringBuilder sb = new StringBuilder();
if (useLimit || useSkip)
useServerPaging = false;
bool countUsingHierarchy = false;
if ((commandConfiguration == CommandConfigurationType.SelectCount) && (useServerPaging && RequiresHierarchy(page)))
{
countUsingHierarchy = true;
commandConfiguration = CommandConfigurationType.Select;
}
if (commandConfiguration == CommandConfigurationType.SelectExisting)
useServerPaging = false;
if (commandConfiguration == CommandConfigurationType.SelectCount)
sb.AppendLine("select count(*)");
else
{
if (useServerPaging)
sb.AppendLine("with page_cte__ as (");
else
if ((commandConfiguration == CommandConfigurationType.Sync) && useLimit)
sb.Append("select * from (select @row_num := @row_num+1 row_number__,cte__.* from (select @r" +
"ow_num:=0) r,(");
sb.AppendLine("select");
if (useServerPaging)
AppendRowNumberExpression(sb, page, expressions, orderByClause);
if (commandConfiguration == CommandConfigurationType.SelectDistinct)
{
DataField distinctField = page.FindField(page.DistinctValueFieldName);
string distinctExpression = expressions[distinctField.ExpressionName()];
if (distinctField.Type.StartsWith("Date"))
{
string commandType = command.GetType().ToString();
if (commandType == "System.Data.SqlClient.SqlCommand")
distinctExpression = String.Format("DATEADD(dd, 0, DATEDIFF(dd, 0, {0}))", distinctExpression);
if (commandType == "MySql.Data.MySqlClient.MySqlCommand")
distinctExpression = String.Format("cast({0} as date)", distinctExpression);
}
sb.AppendFormat("distinct {0} \"{1}\"\r\n", distinctExpression, page.DistinctValueFieldName);
}
else
if (commandConfiguration == CommandConfigurationType.SelectAggregates)
AppendAggregateExpressions(sb, page, expressions);
else
if (commandConfiguration == CommandConfigurationType.SelectFirstLetters)
{
string substringFunction = "substring";
if (DatabaseEngineIs(command, "Oracle", "DB2"))
substringFunction = "substr";
AppendFirstLetterExpressions(sb, page, expressions, substringFunction);
}
else
{
if ((commandConfiguration == CommandConfigurationType.Select) && useSkip)
sb.AppendFormat(" first {0} skip {1}\r\n", page.PageSize, (page.PageSize * page.PageIndex));
if ((commandConfiguration == CommandConfigurationType.Sync) && useSkip)
{
// Only select the primary key.
foreach (DataField field in page.Fields)
if (field.IsPrimaryKey)
{
sb.Append(expressions[field.ExpressionName()]);
break;
}
}
else
if (commandConfiguration == CommandConfigurationType.SelectExisting)
sb.AppendLine("*");
else
AppendSelectExpressions(sb, page, expressions, !(useServerPaging));
}
}
sb.AppendLine("from");
sb.AppendLine(fromClause);
_hasWhere = false;
if (String.IsNullOrEmpty(_viewFilter))
{
_viewFilter = _view.GetAttribute("filter", String.Empty);
if (String.IsNullOrEmpty(_viewFilter) && ((_viewType == "Form") && !(String.IsNullOrEmpty(page.LastView))))
{
XPathNavigator lastView = _config.SelectSingleNode("/c:dataController/c:views/c:view[@id=\'{0}\']", page.LastView);
if (lastView != null)
_viewFilter = lastView.GetAttribute("filter", String.Empty);
}
}
if (!(String.IsNullOrEmpty(_viewFilter)))
_viewFilter = String.Format("({0})", _viewFilter);
if (commandConfiguration == CommandConfigurationType.SelectExisting)
{
EnsureWhereKeyword(sb);
sb.Append(expressions[page.InnerJoinForeignKey.ToLower()]);
sb.Append("=");
sb.Append(page.InnerJoinPrimaryKey);
sb.AppendLine(" and ");
}
AppendSystemFilter(command, page, expressions);
AppendAccessControlRules(command, page, expressions);
if (((page.Filter != null) && (page.Filter.Length > 0)) || !(String.IsNullOrEmpty(_viewFilter)))
AppendFilterExpressionsToWhere(sb, page, command, expressions, whereClause);
else
if (!(String.IsNullOrEmpty(whereClause)))
{
EnsureWhereKeyword(sb);
sb.AppendLine(whereClause);
}
if (commandConfiguration == CommandConfigurationType.Select)
{
bool preFetch = RequiresPreFetching(page);
if (useServerPaging)
{
if (!(ConfigureCTE(sb, page, command, expressions, countUsingHierarchy)))
sb.Append(")\r\nselect * from page_cte__ ");
if (!(countUsingHierarchy))
{
sb.AppendFormat("where row_number__ > {0}PageRangeFirstRowNumber and row_number__ <= {0}PageRangeL" +
"astRowNumber order by row_number__", _parameterMarker);
DbParameter p = command.CreateParameter();
p.ParameterName = (_parameterMarker + "PageRangeFirstRowNumber");
p.Value = ((page.PageSize * page.PageIndex)
+ page.PageOffset);
if (preFetch)
p.Value = (((int)(p.Value)) - page.PageSize);
command.Parameters.Add(p);
DbParameter p2 = command.CreateParameter();
p2.ParameterName = (_parameterMarker + "PageRangeLastRowNumber");
p2.Value = ((page.PageSize
* (page.PageIndex + 1))
+ page.PageOffset);
if (preFetch)
p2.Value = (((int)(p2.Value)) + page.PageSize);
command.Parameters.Add(p2);
}
}
else
{
AppendOrderByExpression(sb, page, expressions, orderByClause);
if (useLimit)
{
sb.AppendFormat("\r\nlimit {0}Limit_PageOffset, {0}Limit_PageSize", _parameterMarker);
DbParameter p = command.CreateParameter();
p.ParameterName = (_parameterMarker + "Limit_PageOffset");
p.Value = ((page.PageSize * page.PageIndex)
+ page.PageOffset);
if (preFetch && (((int)(p.Value)) > page.PageSize))
p.Value = (((int)(p.Value)) - page.PageSize);
command.Parameters.Add(p);
DbParameter p2 = command.CreateParameter();
p2.ParameterName = (_parameterMarker + "Limit_PageSize");
p2.Value = page.PageSize;
if (preFetch)
{
int pagesToFetch = 2;
if (((int)(p.Value)) > page.PageSize)
pagesToFetch = 3;
p2.Value = (page.PageSize * pagesToFetch);
}
command.Parameters.Add(p2);
}
}
}
else
if (commandConfiguration == CommandConfigurationType.Sync)
{
if (useServerPaging)
{
if (!(ConfigureCTE(sb, page, command, expressions, false)))
sb.Append(")\r\nselect * from page_cte__ ");
sb.Append("where ");
}
else
{
if (useLimit || useSkip)
AppendOrderByExpression(sb, page, expressions, orderByClause);
if (!(useSkip))
sb.Append(") cte__)cte2__ where ");
}
bool first = true;
if (!(useSkip))
foreach (DataField field in page.Fields)
if (field.IsPrimaryKey)
{
if (first)
first = false;
else
sb.AppendFormat(" and ");
sb.AppendFormat("{2}{1}{3}={0}PrimaryKey_{1}", _parameterMarker, field.Name, _leftQuote, _rightQuote);
}
}
else
if ((commandConfiguration == CommandConfigurationType.SelectDistinct) || (commandConfiguration == CommandConfigurationType.SelectFirstLetters))
sb.Append("order by 1");
command.CommandText = sb.ToString();
_viewFilter = null;
}
private static MethodInfo InitSetBindByName(DbCommand command)
{
return command.GetType().GetMethod("set_BindByName", BindingFlags.Public | BindingFlags.Instance);
}
public static string EscapePattern(DbCommand command, string s)
{
if (String.IsNullOrEmpty(s))
return s;
if (command.GetType().FullName == "System.Data.SqlClient.SqlCommand")
return _sqlClientPatternEscape.Replace(s, "[$1]");
return s;
}
private void AddDbCommandStatements (CodeMemberMethod m,
CodeExpression expr,
DbCommand cmd)
{
if (cmd == null)
return;
CodeExpression expr1;
CodeStatement stmt = Let (expr, New (cmd.GetType ()));
m.Statements.Add (stmt);
stmt = Let (PropRef (expr,"Connection"), PropRef ("Connection"));
m.Statements.Add (stmt);
stmt = Let (PropRef (expr, "CommandText"), Const (cmd.CommandText));
m.Statements.Add (stmt);
expr1 = PropRef (Local(typeof (CommandType).FullName), cmd.CommandType.ToString ());
stmt = Let (PropRef (expr, "CommandType"), expr1);
m.Statements.Add (stmt);
expr1 = PropRef (expr, "Parameters");
foreach (DbParameter param in cmd.Parameters) {
AddDbParameterStatements (m, expr1, param);
}
}
private void CreateDBCommandCollectionFieldAndProperty (CodeTypeDeclaration t, DbCommand cmd)
{
CodeExpression expr;
CodeStatement setStmt;
CodeStatement stmt;
CodeMemberField f = new CodeMemberField ();
f.Name = "_commandCollection";
f.Type = TypeRefArray (cmd.GetType (), 1);
t.Members.Add (f);
CodeMemberProperty p = new CodeMemberProperty ();
p.Name = "CommandCollection";
p.Attributes = MemberAttributes.Family;
p.Type = f.Type;
p.HasSet = false;
expr = FieldRef ("_commandCollection");
setStmt = Eval (MethodInvoke ("InitCommandCollection"));
stmt = new CodeConditionStatement (Equals (expr, Const (null)),
new CodeStatement [] {setStmt},
new CodeStatement [] {});
p.GetStatements.Add (stmt);
p.GetStatements.Add (Return (expr));
t.Members.Add (p);
}
protected virtual void AppendFilterExpressionsToWhere(StringBuilder sb, ViewPage page, DbCommand command, SelectClauseDictionary expressions, string whereClause)
{
string quickFindHint = page.QuickFindHint;
bool firstCriteria = String.IsNullOrEmpty(_viewFilter);
if (!(firstCriteria))
{
EnsureWhereKeyword(sb);
sb.AppendLine("(");
sb.Append(ProcessViewFilter(page, command, expressions));
}
int matchListCount = 0;
bool firstDoNotMatch = true;
string logicalConcat = "and ";
if (page.Filter != null)
foreach (string filterExpression in page.Filter)
{
Match matchingMode = MatchingModeRegex.Match(filterExpression);
if (matchingMode.Success)
{
bool doNotMatch = (matchingMode.Groups["Match"].Value == "_donotmatch_");
if (doNotMatch)
{
if (firstDoNotMatch)
{
firstDoNotMatch = false;
EnsureWhereKeyword(sb);
if (!(firstCriteria))
sb.AppendLine(")");
if (matchListCount > 0)
sb.AppendLine(")");
if (!(firstCriteria) || (matchListCount > 0))
sb.AppendLine("and");
matchListCount = 0;
sb.AppendLine(" not");
firstCriteria = true;
}
}
if (matchListCount == 0)
{
EnsureWhereKeyword(sb);
if (!(firstCriteria))
sb.Append(") and");
// the list of matches begins
sb.AppendLine("(");
}
else
{
sb.AppendLine(")");
sb.AppendLine("or");
}
// begin a list of conditions for the next match
if (matchingMode.Groups["Scope"].Value == "$all$")
logicalConcat = " and ";
else
logicalConcat = " or ";
matchListCount++;
firstCriteria = true;
}
Match filterMatch = FilterExpressionRegex.Match(filterExpression);
if (filterMatch.Success)
{
// "ProductName:?g", "CategoryCategoryName:=Condiments\x00=Seafood"
bool firstValue = true;
string fieldOperator = " or ";
if (Regex.IsMatch(filterMatch.Groups["Values"].Value, ">|<"))
fieldOperator = " and ";
Match valueMatch = FilterValueRegex.Match(filterMatch.Groups["Values"].Value);
while (valueMatch.Success)
{
string alias = filterMatch.Groups["Alias"].Value;
string operation = valueMatch.Groups["Operation"].Value;
string paramValue = valueMatch.Groups["Value"].Value;
if ((operation == "~") && (alias == "_quickfind_"))
alias = page.Fields[0].Name;
bool deepSearching = alias.Contains(",");
DataField field = page.FindField(alias);
if (((((field != null) && field.AllowQBE) || (operation == "~")) && (((page.DistinctValueFieldName != field.Name || (matchListCount > 0)) || (operation == "~")) || (page.AllowDistinctFieldInFilter || page.CustomFilteredBy(field.Name)))) || deepSearching)
{
if (firstValue)
{
if (firstCriteria)
{
EnsureWhereKeyword(sb);
sb.AppendLine("(");
firstCriteria = false;
}
else
sb.Append(logicalConcat);
sb.Append("(");
firstValue = false;
}
else
sb.Append(fieldOperator);
if (deepSearching)
{
string deepSearchFieldName = alias.Substring(0, alias.IndexOf(','));
string hint = alias.Substring((deepSearchFieldName.Length + 1));
string deepFilterExpression = (deepSearchFieldName + filterExpression.Substring(filterExpression.IndexOf(':')));
AppendDeepFilter(hint, page, command, sb, deepFilterExpression);
}
else
if (operation == "~")
{
paramValue = Convert.ToString(StringToValue(paramValue));
List<string> words = new List<string>();
List<List<string>> phrases = new List<List<string>>();
phrases.Add(words);
CultureInfo currentCulture = CultureInfo.CurrentCulture;
string textDateNumber = ("\\p{L}\\d" + Regex.Escape((currentCulture.DateTimeFormat.DateSeparator
+ (currentCulture.DateTimeFormat.TimeSeparator + currentCulture.NumberFormat.NumberDecimalSeparator))));
string[] removableNumericCharacters = new string[] {
currentCulture.NumberFormat.NumberGroupSeparator,
currentCulture.NumberFormat.CurrencyGroupSeparator,
currentCulture.NumberFormat.CurrencySymbol};
Match m = Regex.Match(paramValue, String.Format("\\s*(?\'Token\'((?\'Quote\'\")(?\'Value\'.+?)\")|((?\'Quote\'\\\')(?\'Value\'.+?)\\\')|(,|;|(^|\\s+" +
")-)|(?\'Value\'[{0}]+))", textDateNumber));
bool negativeSample = false;
while (m.Success)
{
string token = m.Groups["Token"].Value.Trim();
if ((token == ",") || (token == ";"))
{
words = new List<string>();
phrases.Add(words);
negativeSample = false;
}
else
if (token == "-")
negativeSample = true;
else
{
string exactFlag = "=";
if (String.IsNullOrEmpty(m.Groups["Quote"].Value))
exactFlag = " ";
string negativeFlag = " ";
if (negativeSample)
{
negativeFlag = "-";
negativeSample = false;
}
words.Add(String.Format("{0}{1}{2}", negativeFlag, exactFlag, m.Groups["Value"].Value));
}
m = m.NextMatch();
}
bool firstPhrase = true;
foreach (List<String> phrase in phrases)
if (phrase.Count > 0)
{
if (firstPhrase)
firstPhrase = false;
else
sb.AppendLine("or");
sb.AppendLine("(");
bool firstWord = true;
System.DateTime paramValueAsDate;
foreach (string paramValueWord in phrase)
{
bool negativeFlag = (paramValueWord[0] == '-');
bool exactFlag = (paramValueWord[1] == '=');
string comparisonOperator = "like";
if (exactFlag)
comparisonOperator = "=";
string pv = paramValueWord.Substring(2);
bool paramValueIsDate = SqlStatement.TryParseDate(command.GetType(), pv, out paramValueAsDate);
bool firstTry = true;
DbParameter parameter = null;
if (!(paramValueIsDate))
pv = SqlStatement.EscapePattern(command, pv);
double paramValueAsNumber;
string testNumber = pv;
foreach (string s in removableNumericCharacters)
testNumber = testNumber.Replace(s, string.Empty);
bool paramValueIsNumber = double.TryParse(testNumber, out paramValueAsNumber);
if (!(exactFlag) && !(pv.Contains("%")))
pv = String.Format("%{0}%", pv);
if (firstWord)
firstWord = false;
else
sb.Append("and");
if (negativeFlag)
sb.Append(" not");
sb.Append("(");
bool hasTests = false;
DbParameter originalParameter = null;
if (String.IsNullOrEmpty(quickFindHint) || !(quickFindHint.StartsWith(";")))
foreach (DataField tf in page.Fields)
if ((tf.AllowQBE && String.IsNullOrEmpty(tf.AliasName)) && (!((tf.IsPrimaryKey && tf.Hidden)) && (!(tf.Type.StartsWith("Date")) || paramValueIsDate)))
{
hasTests = true;
if ((parameter == null) || command.GetType().FullName.Contains("ManagedDataAccess"))
{
parameter = command.CreateParameter();
parameter.ParameterName = String.Format("{0}p{1}", _parameterMarker, command.Parameters.Count);
parameter.DbType = DbType.String;
command.Parameters.Add(parameter);
parameter.Value = pv;
if (exactFlag && paramValueIsNumber)
{
parameter.DbType = DbType.Double;
parameter.Value = paramValueAsNumber;
}
}
if (!((exactFlag && ((!(tf.Type.Contains("String")) && !(paramValueIsNumber)) || (tf.Type.Contains("String") && paramValueIsNumber)))))
{
if (firstTry)
firstTry = false;
else
sb.Append(" or ");
if (tf.Type.StartsWith("Date"))
{
DbParameter dateParameter = command.CreateParameter();
dateParameter.ParameterName = String.Format("{0}p{1}", _parameterMarker, command.Parameters.Count);
dateParameter.DbType = DbType.DateTime;
command.Parameters.Add(dateParameter);
dateParameter.Value = paramValueAsDate;
if (negativeFlag)
sb.AppendFormat("({0} is not null)and", expressions[tf.ExpressionName()]);
sb.AppendFormat("({0} = {1})", expressions[tf.ExpressionName()], dateParameter.ParameterName);
}
else
{
bool skipLike = false;
if (!((comparisonOperator == "=")) && ((tf.Type == "String") && ((tf.Len > 0) && (tf.Len < pv.Length))))
{
string pv2 = pv;
pv2 = pv2.Substring(1);
if (tf.Len < pv2.Length)
pv2 = pv2.Substring(0, (pv2.Length - 1));
if (pv2.Length > tf.Len)
skipLike = true;
else
{
originalParameter = parameter;
parameter = command.CreateParameter();
parameter.ParameterName = String.Format("{0}p{1}", _parameterMarker, command.Parameters.Count);
parameter.DbType = DbType.String;
command.Parameters.Add(parameter);
parameter.Value = pv2;
}
}
if (_serverRules.EnableResultSet)
{
string fieldNameExpression = expressions[tf.ExpressionName()];
if ((tf.Type != "String" && !(exactFlag)) || (tf.Type == "Boolean"))
fieldNameExpression = String.Format("convert({0}, \'System.String\')", fieldNameExpression);
if (negativeFlag)
sb.AppendFormat("({0} is not null)and", fieldNameExpression);
sb.AppendFormat("({0} {2} {1})", fieldNameExpression, parameter.ParameterName, comparisonOperator);
}
else
if (skipLike)
sb.Append("1=0");
else
{
if (negativeFlag)
sb.AppendFormat("({0} is not null)and", expressions[tf.ExpressionName()]);
if (DatabaseEngineIs(command, "Oracle", "DB2", "Firebird"))
{
sb.AppendFormat("(upper({0}) {2} {1})", expressions[tf.ExpressionName()], parameter.ParameterName, comparisonOperator);
parameter.Value = Convert.ToString(parameter.Value).ToUpper();
}
else
sb.AppendFormat("({0} {2} {1})", expressions[tf.ExpressionName()], parameter.ParameterName, comparisonOperator);
}
}
}
if (originalParameter != null)
{
parameter = originalParameter;
originalParameter = null;
}
}
if (!(String.IsNullOrEmpty(quickFindHint)) && quickFindHint.Contains(";"))
{
sb.AppendLine();
if (hasTests)
sb.AppendLine("or");
else
hasTests = true;
sb.AppendLine("(");
bool firstHint = true;
foreach (string hint in quickFindHint.Substring((quickFindHint.IndexOf(';') + 1)).Split(new char[] {
';'}))
{
if (firstHint)
firstHint = false;
else
{
sb.AppendLine();
sb.AppendLine("or");
}
sb.AppendLine("(");
string newFilterExpression = filterExpression;
StringBuilder reversedFilterExpression = new StringBuilder();
if (negativeFlag)
{
bool firstExpressionPhrase = true;
foreach (List<string> ph in phrases)
{
if (firstExpressionPhrase)
firstExpressionPhrase = false;
else
reversedFilterExpression.Append(",");
bool firstExpressionWord = true;
foreach (string w in ph)
{
if (firstExpressionWord)
firstExpressionWord = false;
else
reversedFilterExpression.Append(" ");
if (!((w[0] == '-')))
reversedFilterExpression.Append("-");
if (w[1] == '=')
reversedFilterExpression.Append("\"");
reversedFilterExpression.Append(w.Substring(2));
if (w[1] == '=')
reversedFilterExpression.Append("\"");
}
}
newFilterExpression = ("_quickfind_:~" + ValueToString(reversedFilterExpression.ToString()));
}
AppendDeepFilter(hint, page, command, sb, newFilterExpression);
sb.AppendLine(")");
}
sb.AppendLine(")");
}
if (!(hasTests))
if (negativeFlag && quickFindHint.StartsWith(";"))
sb.Append("1=1");
else
sb.Append("1=0");
sb.Append(")");
}
sb.AppendLine(")");
}
if (firstPhrase)
sb.Append("1=1");
}
else
if (operation.StartsWith("$"))
sb.Append(FilterFunctions.Replace(command, expressions, String.Format("{0}({1}$comma${2})", operation.TrimEnd('$'), alias, Convert.ToBase64String(Encoding.UTF8.GetBytes(paramValue)))));
else
{
DbParameter parameter = command.CreateParameter();
parameter.ParameterName = String.Format("{0}p{1}", _parameterMarker, command.Parameters.Count);
AssignParameterDbType(parameter, field.Type);
sb.Append(expressions[field.ExpressionName()]);
bool requiresRangeAdjustment = ((operation == "=") && (field.Type.StartsWith("DateTime") && !(StringIsNull(paramValue))));
if ((operation == "<>") && StringIsNull(paramValue))
sb.Append(" is not null ");
else
if ((operation == "=") && StringIsNull(paramValue))
sb.Append(" is null ");
else
{
if (operation == "*")
{
sb.Append(" like ");
parameter.DbType = DbType.String;
if (!(paramValue.Contains("%")))
paramValue = (SqlStatement.EscapePattern(command, paramValue) + "%");
}
else
if (requiresRangeAdjustment)
sb.Append(">=");
else
sb.Append(operation);
try
{
parameter.Value = StringToValue(field, paramValue);
if ((parameter.DbType == DbType.Binary) && (parameter.Value is Guid))
parameter.Value = ((Guid)(parameter.Value)).ToByteArray();
}
catch (Exception )
{
parameter.Value = DBNull.Value;
}
sb.Append(parameter.ParameterName);
command.Parameters.Add(parameter);
if (requiresRangeAdjustment)
{
DbParameter rangeParameter = command.CreateParameter();
AssignParameterDbType(rangeParameter, field.Type);
rangeParameter.ParameterName = String.Format("{0}p{1}", _parameterMarker, command.Parameters.Count);
sb.Append(String.Format(" and {0} < {1}", expressions[field.ExpressionName()], rangeParameter.ParameterName));
if (field.Type == "DateTimeOffset")
{
DateTime dt = Convert.ToDateTime(parameter.Value);
parameter.Value = new DateTimeOffset(dt).AddHours(-14);
rangeParameter.Value = new DateTimeOffset(dt).AddDays(1).AddHours(14);
}
else
rangeParameter.Value = Convert.ToDateTime(parameter.Value).AddDays(1);
command.Parameters.Add(rangeParameter);
}
}
}
}
valueMatch = valueMatch.NextMatch();
}
if (!(firstValue))
sb.AppendLine(")");
}
}
if (matchListCount > 0)
{
sb.AppendLine(")");
// the end of the "match" list
sb.AppendLine(")");
firstCriteria = true;
}
if (!(firstCriteria))
{
sb.AppendLine(")");
if (!(String.IsNullOrEmpty(whereClause)))
sb.Append("and ");
}
if (!(String.IsNullOrEmpty(whereClause)))
{
sb.AppendLine("(");
sb.AppendLine(whereClause);
sb.AppendLine(")");
}
}
internal static Exception PrepareParameterScale(DbCommand cmd, string type)
{
return(InvalidOperation(SR.GetString(SR.ADP_PrepareParameterScale, cmd.GetType().Name, type)));
}
/// <summary>
/// Gets the format of the parameter, to avoid query the schema the parameter
/// format is cached with the type of the parameter
/// </summary>
/// <param name="command"></param>
/// <param name="connectionStringName">Connection String name is needed because if
/// we did not already get the format of the parameter we need the connection to
/// retrieve the format from the schema.</param>
/// <returns></returns>
private static String GetParameterFormat(DbCommand command, String connectionStringName)
{
String typeName = command.GetType().FullName;
if (!mParametersFormat.ContainsKey(typeName))
{
ConnectionStringSettings cn;
if (String.IsNullOrEmpty(connectionStringName))
cn = ConfigurationRegistry.MainConnectionString;
else
cn = ConfigurationRegistry.ConnectionString(connectionStringName);
DbProviderFactory Factory = DbProviderFactories.GetFactory(cn.ProviderName);
using (DbConnection conn = Factory.CreateConnection())
{
conn.ConnectionString = cn.ConnectionString;
conn.Open();
mParametersFormat.Add(
typeName,
conn.GetSchema("DataSourceInformation")
.Rows[0]["ParameterMarkerFormat"].ToString());
}
}
return mParametersFormat[typeName];
}
protected virtual void CacheCommandProperties(DbCommand command) {
var oracleDbCommandType = command.GetType().GetTypeInfo();
ReflectionCache.PropBindByName = oracleDbCommandType.GetDeclaredProperty("BindByName");
ReflectionCache.PropArrayBindCount = oracleDbCommandType.GetDeclaredProperty("ArrayBindCount");
}
