public static DataContainerDescriptor BuildContainerDescriptor()
{
var result = new DataContainerDescriptor();
result.AddDocumentTypeName("testDoc");
var testDocId = result.RequireDocumentTypeName("testDoc");
var fieldId = 1;
for (var i = 0; i < 2; i++)
{
result.AddField(new FieldMetadata(fieldId, "FieldByte" + fieldId, "Byte" + fieldId, DbType.Byte, testDocId));
fieldId++;
result.AddField(new FieldMetadata(fieldId, "FieldGuid" + fieldId, "Guid" + fieldId, DbType.Guid, testDocId));
fieldId++;
result.AddField(new FieldMetadata(fieldId, "FieldString" + fieldId, "String" + fieldId, DbType.String, testDocId));
fieldId++;
result.AddField(new FieldMetadata(fieldId, "FieldBinary" + fieldId, "Binary" + fieldId, DbType.Binary, testDocId));
fieldId++;
result.AddField(new FieldMetadata(fieldId, "FieldDecimal" + fieldId, "Decimal" + fieldId, DbType.Decimal, testDocId));
fieldId++;
result.AddField(new FieldMetadata(fieldId, "FieldBool" + fieldId, "Bool" + fieldId, DbType.Boolean, testDocId));
fieldId++;
result.AddField(new FieldMetadata(fieldId, "FieldDate" + fieldId, "Date" + fieldId, DbType.DateTime, testDocId));
fieldId++;
result.AddField(new FieldMetadata(fieldId, "FieldTime" + fieldId, "Time" + fieldId, DbType.Time, testDocId));
fieldId++;
result.AddField(new FieldMetadata(fieldId, "FieldDateTimeOffset" + fieldId, "DateTimeOffset" + fieldId, DbType.DateTimeOffset, testDocId));
fieldId++;
}
result.AddField(new FieldMetadata(fieldId + 1, "id", "primary key", DbType.Int64, testDocId));
var fieldIds = result.EnumerateFields().Select(x => x.FieldId).ToArray();
result.AddDocumentTypeDescriptor(new DocumentTypeDescriptor("testDoc", "testDoc", 1, "id", fieldIds));
result.AddIdentifierAlias("testDoc", new List<string> { "id", "ALIAS1" }, new[] { "id" });
return result;
}
private static DataContainerDescriptor BuildDemoContainerDescriptor()
{
var result = new DataContainerDescriptor();
result.AddDocumentTypeName("testDoc");
var testDocId = result.RequireDocumentTypeName("testDoc");
var count = 12;
for (var fieldId = 1; fieldId <= count; )
{
result.AddField(new FieldMetadata(fieldId, "Field" + fieldId, "Byte" + fieldId, DbType.Byte, testDocId));
fieldId++;
result.AddField(new FieldMetadata(fieldId, "Field" + fieldId, "Guid" + fieldId, DbType.Guid, testDocId));
fieldId++;
result.AddField(new FieldMetadata(fieldId, "Field" + fieldId, "String" + fieldId, DbType.String, testDocId));
fieldId++;
result.AddField(new FieldMetadata(fieldId, "Field" + fieldId, "Binary" + fieldId, DbType.Binary, testDocId));
fieldId++;
result.AddField(new FieldMetadata(fieldId, "Field" + fieldId, "Decimal" + fieldId, DbType.Decimal, testDocId));
fieldId++;
result.AddField(new FieldMetadata(fieldId, "Field" + fieldId, "Bool" + fieldId, DbType.Boolean, testDocId));
fieldId++;
}
result.AddField(new FieldMetadata(count + 1, "id", "primary key", DbType.Int64, testDocId));
var fieldIds = result.EnumerateFields().Select(x => x.FieldId).ToArray();
result.AddDocumentTypeDescriptor(new DocumentTypeDescriptor("testDoc", "testDoc", 1, "id", fieldIds));
return result;
}
/// <summary>
/// Ctr.
/// </summary>
public QueryParser(DataContainerDescriptor containerDescriptor, int maxConcurrency)
{
if (containerDescriptor == null)
{
throw new ArgumentNullException("containerDescriptor");
}
m_parsers = new ObjectPool<Irony.Parsing.Parser>(maxConcurrency, null);
for (var i = 0; i < maxConcurrency; i++)
{
m_parsers.Return(new Irony.Parsing.Parser(LangData, PqlNonTerminal));
}
m_containerDescriptor = containerDescriptor;
m_preprocessor = new QueryPreprocessor(containerDescriptor);
// these predefined instances of ParseTreeNode are substituted when parsing "select * from .." statement,
// in order to avoid allocating them every time
m_simpleFieldAccessorNodes = new Dictionary<int, ParseTreeNode>();
foreach (var field in m_containerDescriptor.EnumerateFields())
{
// generate columnItem -> columnSource -> Id -> id_simple hierarchy, exactly same structure as it comes out of grammar-based parser
var idNode = new ParseTreeNode(new NonTerminal("Id"), new SourceSpan());
idNode.ChildNodes.Add(new ParseTreeNode(new Token(new Terminal("id_simple"), new SourceLocation(), field.Name, field.Name)));
var columnSourceNode = new ParseTreeNode(new NonTerminal("columnSource"), new SourceSpan());
columnSourceNode.ChildNodes.Add(idNode);
var columnItemNode = new ParseTreeNode(new NonTerminal("columnItem"), new SourceSpan());
columnItemNode.ChildNodes.Add(columnSourceNode);
m_simpleFieldAccessorNodes.Add(field.FieldId, columnItemNode);
}
}