public DbQueryBase(ConnectionBuilder connectionBuilder, AbstractionOptions options)
{
this.connectionBuilder = connectionBuilder;
this.Options = options;
this.paginationFactory = PaginationAbstractFactory.GetObject(options.Dialect);
this.exec = QueryExecutionLayerBuilder.Build(options, connectionBuilder);
}
public static string GenerateOracleScriptToDebug(string queryString, IEnumerable <DataBaseParameter> parameters, char paramIdentifier = '@')
{
AbstractionOptions options = DefaultDialectOptions.GetDefaultOptions(DatabaseDialect.Oracle, false);
options.QueryParameterIdentifier = paramIdentifier;
QueryPreProccess preProccess = new QueryPreProccess(options);
parameters = preProccess.PreProcessParameters(queryString, parameters);
string newQuery = preProccess.PreProcessQuery(queryString);
foreach (char c in "\n\t\r")
{
newQuery = newQuery.Replace(c, ' ');
}
newQuery = new Regex(" +").Replace(newQuery, " ");
string output = $" DECLARE \n sql_query VARCHAR2({newQuery.Length + 2}) := '{newQuery}';\n";
List <string> parametersNames = new List <string>();
foreach (DataBaseParameter parameter in parameters)
{
if (parameter.Value is DateTime)
{
DateTime dt = (DateTime)parameter.Value;
output += $" {parameter.ParameterName} DATE := TO_DATE('{dt:yyyy-MM-dd HH:mm:ss}', 'YYYY-MM-DD HH24:MI:SS');\n";
}
else
{
output += $" {parameter.ParameterName} VARCHAR2({parameter.Value.ToString().Length}) := '{parameter.Value}';\n";
}
parametersNames.Add(parameter.ParameterName);
}
output += $"BEGIN\n EXECUTE IMMEDIATE sql_query USING {string.Join(",", parametersNames.ToArray())};\n END;\n /";
return(output);
}
internal QueryPreProccess(AbstractionOptions options)
{
this.options = options;
if (options.QueryParameterIdentifier == options.DialectParameterIdentifier)
{
this.PreProcessQuery = delegate(string s) { return(s); };
}
else
{
this.PreProcessQuery = this.PreProcessQueyForDifferentIdentifiers;
}
if (options.SortQueryParameters)
{
this.PreProcessParameters = this.SortParamsFromQuery;
}
else
{
this.PreProcessParameters = delegate(string s, IEnumerable <DataBaseParameter> parameters) { return(parameters); };
}
}
public QueryExecutionLayerWithLock(AbstractionOptions options, QueryPreProccess queryPreProcess, ConnectionBuilder connectionBuilder)
{
this.baseLayer = new QueryExecutionLayer(options, queryPreProcess, connectionBuilder);
}
public DbQueryBase(IDbConnection connection, AbstractionOptions options)
: this(new ConnectionBuilder(connection), options)
{
}
public QueryExecutionLayer(AbstractionOptions options, QueryPreProccess queryPreProcess, ConnectionBuilder connectionBuilder)
{
this.options = options;
this.queryPreProcess = queryPreProcess;
this.connectionBuilder = connectionBuilder;
}
