public void setTypeSizeAndInBytes(SchemaColumn typeSource) {
setValueType(typeSource.getType());
setValueSize(typeSource.getSize());
m_inBytes = typeSource.getExpression().getInBytes();
}
/**
* Compile and cache the statement and plan and return the final plan graph.
*
* @param sql
* @param paramCount
*/
public List<AbstractPlanNode> compile(
String sql,
int paramCount,
String joinOrder,
Object partitionParameter,
boolean inferSP,
boolean lockInSP) {
Statement catalogStmt = proc.getStatements().add("stmt-" + String.valueOf(compileCounter++));
catalogStmt.setSqltext(sql);
catalogStmt.setSinglepartition(partitionParameter != null);
catalogStmt.setBatched(false);
catalogStmt.setParamnum(paramCount);
// determine the type of the query
QueryType qtype = QueryType.SELECT;
catalogStmt.setReadonly(true);
if (sql.toLowerCase().startsWith("insert")) {
qtype = QueryType.INSERT;
catalogStmt.setReadonly(false);
}
if (sql.toLowerCase().startsWith("update")) {
qtype = QueryType.UPDATE;
catalogStmt.setReadonly(false);
}
if (sql.toLowerCase().startsWith("delete")) {
qtype = QueryType.DELETE;
catalogStmt.setReadonly(false);
}
catalogStmt.setQuerytype(qtype.getValue());
// name will look like "basename-stmt-#"
String name = catalogStmt.getParent().getTypeName() + "-" + catalogStmt.getTypeName();
DatabaseEstimates estimates = new DatabaseEstimates();
TrivialCostModel costModel = new TrivialCostModel();
PartitioningForStatement partitioning =
new PartitioningForStatement(partitionParameter, inferSP, lockInSP);
QueryPlanner planner =
new QueryPlanner(
catalogStmt.getSqltext(),
catalogStmt.getTypeName(),
catalogStmt.getParent().getTypeName(),
catalog.getClusters().get("cluster"),
db,
partitioning,
hsql,
estimates,
false,
StatementCompiler.DEFAULT_MAX_JOIN_TABLES,
costModel,
null,
joinOrder);
CompiledPlan plan = null;
planner.parse();
plan = planner.plan();
assert (plan != null);
// Input Parameters
// We will need to update the system catalogs with this new information
// If this is an adhoc query then there won't be any parameters
for (int i = 0; i < plan.parameters.length; ++i) {
StmtParameter catalogParam = catalogStmt.getParameters().add(String.valueOf(i));
catalogParam.setJavatype(plan.parameters[i].getValue());
catalogParam.setIndex(i);
}
// Output Columns
int index = 0;
for (SchemaColumn col : plan.columns.getColumns()) {
Column catColumn = catalogStmt.getOutput_columns().add(String.valueOf(index));
catColumn.setNullable(false);
catColumn.setIndex(index);
catColumn.setName(col.getColumnName());
catColumn.setType(col.getType().getValue());
catColumn.setSize(col.getSize());
index++;
}
List<PlanNodeList> nodeLists = new ArrayList<PlanNodeList>();
nodeLists.add(new PlanNodeList(plan.rootPlanGraph));
if (plan.subPlanGraph != null) {
nodeLists.add(new PlanNodeList(plan.subPlanGraph));
}
// Store the list of parameters types and indexes in the plan node list.
List<Pair<Integer, VoltType>> parameters = nodeLists.get(0).getParameters();
for (int i = 0; i < plan.parameters.length; ++i) {
Pair<Integer, VoltType> parameter = new Pair<Integer, VoltType>(i, plan.parameters[i]);
parameters.add(parameter);
}
// Now update our catalog information
// HACK: We're using the node_tree's hashCode() as it's name. It would be really
// nice if the Catalog code give us an guid without needing a name first...
String json = null;
try {
JSONObject jobj = new JSONObject(nodeLists.get(0).toJSONString());
json = jobj.toString(4);
} catch (JSONException e2) {
// TODO Auto-generated catch block
e2.printStackTrace();
System.exit(-1);
}
//
// We then stick a serialized version of PlanNodeTree into a PlanFragment
//
try {
BuildDirectoryUtils.writeFile("statement-plans", name + "_json.txt", json);
BuildDirectoryUtils.writeFile(
"statement-plans", name + ".dot", nodeLists.get(0).toDOTString("name"));
} catch (Exception e) {
e.printStackTrace();
}
List<AbstractPlanNode> plannodes = new ArrayList<AbstractPlanNode>();
for (PlanNodeList nodeList : nodeLists) {
plannodes.add(nodeList.getRootPlanNode());
}
m_currentPlan = plan;
return plannodes;
}