private void parseInsertStmt(TInsertSqlStatement insert)
{
if (insert.TargetTable.TableName != null)
{
string tableName = insert.TargetTable.TableName.TableString;
string tableSchema = insert.TargetTable.TableName.SchemaString;
string databaseName = insert.TargetTable.TableName.DatabaseString;
TableMetaData tableMetaData = new TableMetaData(vendor, strict);
tableMetaData.Name = tableName;
tableMetaData.SchemaName = tableSchema;
if (isNotEmpty(databaseName))
{
tableMetaData.CatalogName = databaseName;
}
else
{
tableMetaData.CatalogName = database;
}
tableMetaData.View = false;
if (!tableColumns.ContainsKey(tableMetaData))
{
tableColumns[tableMetaData] = new List <ColumnMetaData>();
}
else
{
IList <TableMetaData> tables = new List <TableMetaData>(tableColumns.Keys);
tableMetaData = (TableMetaData)tables[tables.IndexOf(tableMetaData)];
tableMetaData.View = false;
}
if (insert.SubQuery != null)
{
ColumnImpact impact = new ColumnImpact(insert.SubQuery.ToString(), insert.dbvendor, tableColumns, strict);
impact.ignoreTopSelect(true);
impact.Debug = false;
impact.ShowUIInfo = true;
impact.TraceErrorMessage = false;
impact.impactSQL();
ColumnImpactModel columnImpactModel = impact.generateModel();
parseSubQueryColumnDefinition(insert, insert.SubQuery, tableMetaData, columnImpactModel);
}
}
}
private void parseCreateView(TCreateViewSqlStatement createView)
{
if (createView.ViewName != null)
{
string tableName = createView.ViewName.TableString;
string tableSchema = createView.ViewName.SchemaString;
string databaseName = createView.ViewName.DatabaseString;
TableMetaData viewMetaData = new TableMetaData(vendor, strict);
viewMetaData.Name = tableName;
viewMetaData.SchemaName = tableSchema;
if (isNotEmpty(databaseName))
{
viewMetaData.CatalogName = databaseName;
}
else
{
viewMetaData.CatalogName = database;
}
viewMetaData.View = true;
if (!tableColumns.ContainsKey(viewMetaData))
{
tableColumns[viewMetaData] = new List <ColumnMetaData>();
}
else
{
IList <TableMetaData> tables = new List <TableMetaData>(tableColumns.Keys);
viewMetaData = (TableMetaData)tables[tables.IndexOf(viewMetaData)];
viewMetaData.View = true;
}
if (createView.Subquery != null)
{
ColumnImpact impact = new ColumnImpact(createView.Subquery.ToString(), createView.dbvendor, tableColumns, strict);
impact.ignoreTopSelect(true);
impact.Debug = false;
impact.ShowUIInfo = true;
impact.TraceErrorMessage = false;
impact.impactSQL();
ColumnImpactModel columnImpactModel = impact.generateModel();
parseSubQueryColumnDefinition(createView, createView.Subquery, viewMetaData, columnImpactModel);
}
}
}
public virtual string getColumnImpactResult(bool analyzeDlineage)
{
if (string.ReferenceEquals(sqlContent, null))
{
Document doc = null;
Element columnImpactResult = null;
doc = new Document();
XDeclaration declaration = new XDeclaration("1.0", "utf-8", "no");
doc.Declaration = declaration;
columnImpactResult = new XElement("columnImpactResult");
doc.Add(columnImpactResult);
if (sqlDir != null && sqlDir.Attributes.HasFlag(FileAttributes.Directory))
{
Element dirNode = new Element("dir");
dirNode.Add(new XAttribute("name", sqlDir.FullName));
columnImpactResult.Add(dirNode);
}
FileInfo[] children = sqlFiles == null?listFiles(sqlDir) : sqlFiles;
for (int i = 0; i < children.Length; i++)
{
FileInfo child = children[i];
if (child.Attributes.HasFlag(FileAttributes.Directory))
{
continue;
}
if (child != null)
{
Element fileNode = new Element("file");
fileNode.Add(new XAttribute("name", child.FullName));
ColumnImpact impact = new ColumnImpact(fileNode, vendor, tableColumns, strict);
impact.Debug = false;
impact.ShowUIInfo = showUIInfo;
impact.TraceErrorMessage = false;
impact.AnalyzeDlineage = analyzeDlineage;
impact.ignoreTopSelect(false);
impact.impactSQL();
if (!string.ReferenceEquals(impact.ErrorMessage, null) && impact.ErrorMessage.Trim().Length > 0)
{
Console.Error.WriteLine(impact.ErrorMessage.Trim());
}
if (fileNode.HasElements)
{
columnImpactResult.Add(fileNode);
}
}
}
if (doc != null)
{
try
{
StringBuilder xmlBuffer = new StringBuilder();
using (StringWriter writer = new Utf8StringWriter(xmlBuffer))
{
doc.Save(writer, SaveOptions.None);
}
string result = xmlBuffer.ToString().Trim();
return(result);
}
catch (IOException e)
{
Console.WriteLine(e.ToString());
Console.Write(e.StackTrace);
}
}
}
else
{
ColumnImpact impact = new ColumnImpact(sqlContent, vendor, tableColumns, strict);
impact.Debug = false;
impact.ShowUIInfo = showUIInfo;
impact.TraceErrorMessage = false;
impact.AnalyzeDlineage = true;
impact.impactSQL();
if (!string.ReferenceEquals(impact.ErrorMessage, null) && impact.ErrorMessage.Trim().Length > 0)
{
Console.Error.WriteLine(impact.ErrorMessage.Trim());
}
return(impact.ImpactResult);
}
return(null);
}