@Override
public void visit(DeclareStatement obj) {
preVisitVisitor(obj);
visitNode(obj.getVariable());
visitNode(obj.getExpression());
postVisitVisitor(obj);
}
private void collectDeclareVariable(
DeclareStatement obj,
GroupSymbol variables,
TempMetadataAdapter metadata,
GroupContext externalGroups)
throws QueryResolverException, TeiidComponentException {
ElementSymbol variable = obj.getVariable();
String typeName = obj.getVariableType();
GroupSymbol gs = variable.getGroupSymbol();
if (gs == null) {
String outputName = variable.getShortName();
variable.setGroupSymbol(new GroupSymbol(ProcedureReservedWords.VARIABLES));
variable.setOutputName(outputName);
} else {
if (gs.getSchema() != null
|| !gs.getShortName().equalsIgnoreCase(ProcedureReservedWords.VARIABLES)) {
handleUnresolvableDeclaration(
variable,
QueryPlugin.Util.getString(
"ERR.015.010.0031",
new Object[] {ProcedureReservedWords.VARIABLES, variable})); // $NON-NLS-1$
}
}
boolean exists = false;
try {
ResolverVisitor.resolveLanguageObject(variable, null, externalGroups, metadata);
exists = true;
} catch (QueryResolverException e) {
// ignore, not already defined
}
if (exists) {
handleUnresolvableDeclaration(
variable,
QueryPlugin.Util.getString("ERR.015.010.0032", variable.getOutputName())); // $NON-NLS-1$
}
variable.setType(DataTypeManager.getDataTypeClass(typeName));
variable.setGroupSymbol(variables);
TempMetadataID id =
new TempMetadataID(
variable.getName(),
typeName.equalsIgnoreCase(SQLConstants.NonReserved.EXCEPTION)
? Exception.class
: variable.getType());
id.setUpdatable(true);
variable.setMetadataID(id);
// TODO: this will cause the variables group to loose it's cache of resolved symbols
metadata
.getMetadataStore()
.addElementToTempGroup(ProcedureReservedWords.VARIABLES, variable.clone());
}