public BatchOutputColumnTypeResolver(ISchemaMetadataProvider schemaMetadata, TSqlFragment bodyFragment, IBatchParameterMetadata parametersMetadata)
{
SchemaMetadata = schemaMetadata;
BodyFragment = bodyFragment;
parameters = parametersMetadata;
}
public static void LoadFunctionOutputColumns(ISchemaMetadataProvider schemaMetadata, IBatchParameterMetadata parameterMetadata, string functionBodyScript, Action <OutputColumnDescriptor> collector)
{
functionBodyScript = RemoveTrailingBlockComment(functionBodyScript);
if (functionBodyScript.Trim()[0] == '(')
{
int idx = functionBodyScript.IndexOf('(');
int lastix = functionBodyScript.LastIndexOf(')');
functionBodyScript = functionBodyScript.Substring(idx + 1, lastix - idx - 2);
functionBodyScript = functionBodyScript.Trim();
}
TSqlFragment sqlF = ScriptDomFacade.Parse(functionBodyScript);
SelectStatement stmt_sel = (SelectStatement)((TSqlScript)sqlF).Batches[0].Statements[0];
BatchOutputColumnTypeResolver batchResolver = new BatchOutputColumnTypeResolver(schemaMetadata, sqlF, parameterMetadata);
StatementOutputColumnTypeResolverV2 resolver = new StatementOutputColumnTypeResolverV2(batchResolver, stmt_sel);
QuerySpecification first = TopQuerySpecification(stmt_sel.QueryExpression);
foreach (SelectElement se in first.SelectElements)
{
if (se is SelectScalarExpression scalarExpr)
{
OutputColumnDescriptor col = resolver.ResolveSelectScalarExpression(scalarExpr);
collector(col);
}
else
{
throw new NotImplementedException(se.WhatIsThis());
}
}
}
