private IQsiTreeNode ParseDataManipulationStatement(DataManipulationStatementContext statement)
{
switch (statement.children[0])
{
case SelectStatementContext selectStatement:
return(TableVisitor.VisitSelectStatement(selectStatement));
case SelectIntoStatementContext selectIntoStatement:
return(ActionVisitor.VisitSelectIntoStatement(selectIntoStatement));
case DeleteStatementContext deleteStatement:
return(ActionVisitor.VisitDeleteStatement(deleteStatement));
case InsertStatementContext insertStatement:
return(ActionVisitor.VisitInsertStatement(insertStatement));
case ReplaceStatementContext replaceStatement:
return(ActionVisitor.VisitReplaceStatement(replaceStatement));
case UpdateStatementContext updateStatement:
return(ActionVisitor.VisitUpdateStatement(updateStatement));
case MergeDeltaParameterContext mergeDeltaParameter:
throw new NotImplementedException();
case MergeIntoStatementContext mergeIntoStatement:
throw new NotImplementedException();
default:
throw TreeHelper.NotSupportedTree(statement.children[0]);
}
}
private IQsiTreeNode ParseInternal(QsiScript script, Parser parser)
{
var primarSqlParser = (global::PrimarSql.Internal.PrimarSqlParser)parser;
var rootContext = primarSqlParser.root();
if (rootContext.children[0] is not SqlStatementContext sqlStatement)
{
return(null);
}
if (sqlStatement.children[0] is not DmlStatementContext dmlStatement)
{
return(null);
}
switch (dmlStatement.children[0])
{
case SelectStatementContext selectStatement:
return(TableVisitor.VisitSelectStatement(selectStatement));
case InsertStatementContext insertStatement:
return(ActionVisitor.VisitInsertStatement(insertStatement));
case DeleteStatementContext deleteStatement:
return(ActionVisitor.VisitDeleteStatement(deleteStatement));
case UpdateStatementContext updateStatement:
return(ActionVisitor.VisitUpdateStatement(updateStatement));
default:
return(null);
}
}
public IQsiTreeNode Parse(QsiScript script, CancellationToken cancellationToken = default)
{
var stream = new AntlrInputStream(script.Script);
var lexer = new CqlLexerInternal(stream);
var tokens = new CommonTokenStream(lexer);
var parser = new CqlParserInternal(tokens);
parser.AddErrorListener(new ErrorListener());
var statement = parser.cqlStatement().children[0];
switch (statement)
{
case SelectStatementContext selectStatement:
return(TableVisitor.VisitSelectStatement(selectStatement));
case CreateMaterializedViewStatementContext createMaterializedViewStatement:
return(DefinitionVisitor.VisitCreateMaterializedViewStatement(createMaterializedViewStatement));
case UseStatementContext useStatement:
return(ActionVisitor.VisitUseStatement(useStatement));
case InsertStatementContext insertStatement:
return(ActionVisitor.VisitInsertStatement(insertStatement));
case UpdateStatementContext updateStatement:
return(ActionVisitor.VisitUpdateStatement(updateStatement));
case DeleteStatementContext deleteStatement:
return(ActionVisitor.VisitDeleteStatement(deleteStatement));
default:
throw TreeHelper.NotSupportedTree(statement);
}
}
public IQsiTreeNode Parse(QsiScript script, CancellationToken cancellationToken = default)
{
var parser = MySQLUtility.CreateParser(script.Script, _version);
var query = parser.query();
if (query.children[0] is not SimpleStatementContext simpleStatement)
{
return(null);
}
switch (simpleStatement.children[0])
{
case SelectStatementContext selectStatement:
return(TableVisitor.VisitSelectStatement(selectStatement));
case CreateStatementContext createStatement when
createStatement.children[1] is CreateViewContext createView:
return(TableVisitor.VisitCreateView(createView));
case DeleteStatementContext deleteStatement:
return(ActionVisitor.VisitDeleteStatement(deleteStatement));
case ReplaceStatementContext replaceStatement:
return(ActionVisitor.VisitReplaceStatement(replaceStatement));
case UpdateStatementContext updateStatement:
return(ActionVisitor.VisitUpdateStatement(updateStatement));
case InsertStatementContext insertStatement:
return(ActionVisitor.VisitInsertStatement(insertStatement));
default:
throw TreeHelper.NotSupportedTree(simpleStatement.children[0]);
}
}
private IQsiTreeNode ParseInternal(QsiScript script, Parser parser)
{
var primarSqlParser = (global::PrimarSql.Internal.PrimarSqlParser)parser;
switch (script.ScriptType)
{
case QsiScriptType.Select:
return(TableVisitor.VisitSelectStatement(primarSqlParser.selectStatement()));
case QsiScriptType.Insert:
return(ActionVisitor.VisitInsertStatement(primarSqlParser.insertStatement()));
case QsiScriptType.Delete:
return(ActionVisitor.VisitDeleteStatement(primarSqlParser.deleteStatement()));
case QsiScriptType.Update:
return(ActionVisitor.VisitUpdateStatement(primarSqlParser.updateStatement()));
default:
return(null);
}
}
public IQsiTreeNode Parse(QsiScript script, CancellationToken cancellationToken = default)
{
var result = PhoenixSqlParserInternal.Parse(script.Script);
switch (result)
{
case SelectStatement selectStatement:
return(TableVisitor.VisitSelectStatement(selectStatement));
case CreateTableStatement {
TableType: PTableType.View
} createTableStatement:
return(TableVisitor.VisitCreateViewStatement(createTableStatement));
case IDMLStatement dmlStatement:
return(ActionVisitor.Visit(dmlStatement));
case UseSchemaStatement useSchemaStatement:
return(ActionVisitor.VisitUseSchemaStatement(useSchemaStatement));
}
throw TreeHelper.NotSupportedTree(result);
}