use of net.sf.jsqlparser.statement.select.SetOperationList in project JSqlParser by JSQLParser.
the class TestUtils method assertOracleHintExists.
public static void assertOracleHintExists(String sql, boolean assertDeparser, String... hints) throws JSQLParserException {
if (assertDeparser) {
assertSqlCanBeParsedAndDeparsed(sql, true);
}
Select stmt = (Select) CCJSqlParserUtil.parse(sql);
if (stmt.getSelectBody() instanceof PlainSelect) {
PlainSelect ps = (PlainSelect) stmt.getSelectBody();
OracleHint hint = ps.getOracleHint();
assertNotNull(hint);
assertEquals(hints[0], hint.getValue());
} else {
if (stmt.getSelectBody() instanceof SetOperationList) {
SetOperationList setop = (SetOperationList) stmt.getSelectBody();
for (int i = 0; i < setop.getSelects().size(); i++) {
PlainSelect pselect = (PlainSelect) setop.getSelects().get(i);
OracleHint hint = pselect.getOracleHint();
if (hints[i] == null) {
Assert.assertNull(hint);
} else {
assertNotNull(hint);
assertEquals(hints[i], hint.getValue());
}
}
}
}
}
use of net.sf.jsqlparser.statement.select.SetOperationList in project spanner-jdbc by olavloite.
the class CloudSpannerPreparedStatement method setPlainSelectParameters.
private void setPlainSelectParameters(PlainSelect plainSelect, com.google.cloud.spanner.Statement.Builder builder) {
if (plainSelect.getFromItem() != null) {
plainSelect.getFromItem().accept(new FromItemVisitorAdapter() {
private int tableCount = 0;
@Override
public void visit(Table table) {
tableCount++;
if (tableCount == 1)
getParameterStore().setTable(unquoteIdentifier(table.getFullyQualifiedName()));
else
getParameterStore().setTable(null);
}
@Override
public void visit(SubSelect subSelect) {
if (subSelect.getSelectBody() instanceof PlainSelect) {
setPlainSelectParameters((PlainSelect) subSelect.getSelectBody(), builder);
} else {
subSelect.getSelectBody().accept(new SelectVisitorAdapter() {
@Override
public void visit(PlainSelect plainSelect) {
setPlainSelectParameters(plainSelect, builder);
}
@Override
public void visit(SetOperationList setOpList) {
for (SelectBody body : setOpList.getSelects()) {
setSelectParameters(body, builder);
}
}
});
}
}
});
}
if (plainSelect.getSelectItems() != null) {
for (SelectItem selectItem : plainSelect.getSelectItems()) {
selectItem.accept(new SelectItemVisitorAdapter() {
@Override
public void visit(SelectExpressionItem item) {
item.getExpression().accept(new ExpressionVisitorAdapter() {
private String currentCol = null;
@Override
public void visit(Column col) {
currentCol = unquoteIdentifier(col.getFullyQualifiedName());
}
@Override
public void visit(JdbcParameter parameter) {
parameter.accept(new ValueBinderExpressionVisitorAdapter<>(getParameterStore(), builder.bind("p" + parameter.getIndex()), currentCol));
currentCol = null;
}
@Override
public void visit(SubSelect subSelect) {
setSelectParameters(subSelect.getSelectBody(), builder);
}
});
}
});
}
}
setWhereParameters(plainSelect.getWhere(), builder);
if (plainSelect.getLimit() != null) {
setWhereParameters(plainSelect.getLimit().getRowCount(), builder);
}
if (plainSelect.getOffset() != null && plainSelect.getOffset().getOffsetJdbcParameter() != null) {
ValueBinderExpressionVisitorAdapter<com.google.cloud.spanner.Statement.Builder> binder = new ValueBinderExpressionVisitorAdapter<>(getParameterStore(), builder.bind("p" + getParameterStore().getHighestIndex()), null);
binder.setValue(getParameterStore().getParameter(getParameterStore().getHighestIndex()), Types.BIGINT);
getParameterStore().setType(getParameterStore().getHighestIndex(), Types.BIGINT);
}
}
use of net.sf.jsqlparser.statement.select.SetOperationList in project herddb by diennea.
the class JSQLParserPlanner method buildSelectBody.
private PlannerOp buildSelectBody(String defaultTableSpace, int maxRows, SelectBody selectBody, boolean forceScan) throws StatementExecutionException {
if (selectBody instanceof SetOperationList) {
SetOperationList list = (SetOperationList) selectBody;
return buildSetOperationList(defaultTableSpace, maxRows, list, forceScan);
}
checkSupported(selectBody instanceof PlainSelect, selectBody.getClass().getName());
PlainSelect plainSelect = (PlainSelect) selectBody;
checkSupported(!plainSelect.getMySqlHintStraightJoin());
checkSupported(!plainSelect.getMySqlSqlCalcFoundRows());
checkSupported(!plainSelect.getMySqlSqlNoCache());
checkSupported(plainSelect.getDistinct() == null);
checkSupported(plainSelect.getFetch() == null);
checkSupported(plainSelect.getFirst() == null);
checkSupported(plainSelect.getForUpdateTable() == null);
checkSupported(plainSelect.getForXmlPath() == null);
checkSupported(plainSelect.getHaving() == null);
checkSupported(plainSelect.getIntoTables() == null);
checkSupported(plainSelect.getOffset() == null);
checkSupported(plainSelect.getOptimizeFor() == null);
checkSupported(plainSelect.getOracleHierarchical() == null);
checkSupported(plainSelect.getOracleHint() == null);
checkSupported(plainSelect.getSkip() == null);
checkSupported(plainSelect.getWait() == null);
checkSupported(plainSelect.getKsqlWindow() == null);
FromItem fromItem = plainSelect.getFromItem();
checkSupported(fromItem instanceof net.sf.jsqlparser.schema.Table);
OpSchema primaryTableSchema = getTableSchema(defaultTableSpace, (net.sf.jsqlparser.schema.Table) fromItem);
OpSchema[] joinedTables = new OpSchema[0];
int totalJoinOutputFieldsCount = primaryTableSchema.columns.length;
if (plainSelect.getJoins() != null) {
joinedTables = new OpSchema[plainSelect.getJoins().size()];
int i = 0;
for (Join join : plainSelect.getJoins()) {
checkSupported(!join.isApply());
checkSupported(!join.isCross());
checkSupported(!join.isFull() || (join.isFull() && join.isOuter()));
checkSupported(!join.isSemi());
checkSupported(!join.isStraight());
checkSupported(!join.isWindowJoin());
checkSupported(join.getJoinWindow() == null);
checkSupported(join.getUsingColumns() == null);
FromItem rightItem = join.getRightItem();
checkSupported(rightItem instanceof net.sf.jsqlparser.schema.Table);
OpSchema joinedTable = getTableSchema(defaultTableSpace, (net.sf.jsqlparser.schema.Table) rightItem);
joinedTables[i++] = joinedTable;
totalJoinOutputFieldsCount += joinedTable.columns.length;
}
}
int pos = 0;
String[] joinOutputFieldnames = new String[totalJoinOutputFieldsCount];
ColumnRef[] joinOutputColumns = new ColumnRef[totalJoinOutputFieldsCount];
System.arraycopy(primaryTableSchema.columnNames, 0, joinOutputFieldnames, 0, primaryTableSchema.columnNames.length);
System.arraycopy(primaryTableSchema.columns, 0, joinOutputColumns, 0, primaryTableSchema.columns.length);
pos += primaryTableSchema.columnNames.length;
for (OpSchema joinedTable : joinedTables) {
System.arraycopy(joinedTable.columnNames, 0, joinOutputFieldnames, pos, joinedTable.columnNames.length);
System.arraycopy(joinedTable.columns, 0, joinOutputColumns, pos, joinedTable.columns.length);
pos += joinedTable.columnNames.length;
}
OpSchema currentSchema = primaryTableSchema;
// single JOIN only at the moment
checkSupported(joinedTables.length <= 1);
if (joinedTables.length > 0) {
currentSchema = new OpSchema(primaryTableSchema.tableSpace, null, null, joinOutputFieldnames, joinOutputColumns);
}
List<SelectItem> selectItems = plainSelect.getSelectItems();
checkSupported(!selectItems.isEmpty());
Predicate predicate = null;
TupleComparator comparator = null;
ScanLimits limits = null;
boolean identityProjection = false;
Projection projection;
List<SelectExpressionItem> selectedFields = new ArrayList<>(selectItems.size());
boolean containsAggregatedFunctions = false;
if (selectItems.size() == 1 && selectItems.get(0) instanceof AllColumns) {
projection = Projection.IDENTITY(currentSchema.columnNames, ColumnRef.toColumnsArray(currentSchema.columns));
identityProjection = true;
} else {
checkSupported(!selectItems.isEmpty());
for (SelectItem item : selectItems) {
if (item instanceof SelectExpressionItem) {
SelectExpressionItem selectExpressionItem = (SelectExpressionItem) item;
selectedFields.add(selectExpressionItem);
if (SQLParserExpressionCompiler.detectAggregatedFunction(selectExpressionItem.getExpression()) != null) {
containsAggregatedFunctions = true;
}
} else if (item instanceof AllTableColumns) {
// expand alias.* to the full list of columns (according to pyhsical schema!)
AllTableColumns allTablesColumn = (AllTableColumns) item;
net.sf.jsqlparser.schema.Table table = allTablesColumn.getTable();
String tableName = fixMySqlBackTicks(table.getName());
boolean found = false;
if (primaryTableSchema.isTableOrAlias(tableName)) {
for (ColumnRef col : primaryTableSchema.columns) {
net.sf.jsqlparser.schema.Column c = new net.sf.jsqlparser.schema.Column(table, col.name);
SelectExpressionItem selectExpressionItem = new SelectExpressionItem(c);
selectedFields.add(selectExpressionItem);
found = true;
}
} else {
for (OpSchema joinedTableSchema : joinedTables) {
if (joinedTableSchema.isTableOrAlias(tableName)) {
for (ColumnRef col : joinedTableSchema.columns) {
net.sf.jsqlparser.schema.Column c = new net.sf.jsqlparser.schema.Column(table, col.name);
SelectExpressionItem selectExpressionItem = new SelectExpressionItem(c);
selectedFields.add(selectExpressionItem);
}
found = true;
break;
}
}
}
if (!found) {
checkSupported(false, "Bad table ref " + tableName + ".*");
}
} else {
checkSupported(false);
}
}
if (!containsAggregatedFunctions) {
// building the projection
// we have the current physical schema, we can create references by position (as Calcite does)
// in order to not need accessing columns by name and also making it easier to support
// ZeroCopyProjections
projection = buildProjection(selectedFields, true, currentSchema);
} else {
// start by full table scan, the AggregateOp operator will create the final projection
projection = Projection.IDENTITY(currentSchema.columnNames, ColumnRef.toColumnsArray(currentSchema.columns));
identityProjection = true;
}
}
TableSpaceManager tableSpaceManager = this.manager.getTableSpaceManager(primaryTableSchema.tableSpace);
AbstractTableManager tableManager = tableSpaceManager.getTableManager(primaryTableSchema.name);
Table tableImpl = tableManager.getTable();
CompiledSQLExpression whereExpression = null;
if (plainSelect.getWhere() != null) {
whereExpression = SQLParserExpressionCompiler.compileExpression(plainSelect.getWhere(), currentSchema);
if (joinedTables.length == 0 && whereExpression != null) {
SQLRecordPredicate sqlWhere = new SQLRecordPredicate(tableImpl, null, whereExpression);
IndexUtils.discoverIndexOperations(primaryTableSchema.tableSpace, whereExpression, tableImpl, sqlWhere, selectBody, tableSpaceManager);
predicate = sqlWhere;
}
}
// start with a TableScan + filters
ScanStatement scan = new ScanStatement(primaryTableSchema.tableSpace, primaryTableSchema.name, Projection.IDENTITY(primaryTableSchema.columnNames, ColumnRef.toColumnsArray(primaryTableSchema.columns)), predicate, comparator, limits);
scan.setTableDef(tableImpl);
PlannerOp op = new BindableTableScanOp(scan);
PlannerOp[] scanJoinedTables = new PlannerOp[joinedTables.length];
int ji = 0;
for (OpSchema joinedTable : joinedTables) {
ScanStatement scanSecondaryTable = new ScanStatement(joinedTable.tableSpace, joinedTable.name, Projection.IDENTITY(joinedTable.columnNames, ColumnRef.toColumnsArray(joinedTable.columns)), null, null, null);
scan.setTableDef(tableImpl);
checkSupported(joinedTable.tableSpace.equalsIgnoreCase(primaryTableSchema.tableSpace));
PlannerOp opSecondaryTable = new BindableTableScanOp(scanSecondaryTable);
scanJoinedTables[ji++] = opSecondaryTable;
}
if (scanJoinedTables.length > 0) {
// assuming only one JOIN clause
Join joinClause = plainSelect.getJoins().get(0);
List<CompiledSQLExpression> joinConditions = new ArrayList<>();
if (joinClause.isNatural()) {
// NATURAL join adds a constraint on every column with the same name
List<CompiledSQLExpression> naturalJoinConstraints = new ArrayList<>();
int posInRowLeft = 0;
for (ColumnRef ref : primaryTableSchema.columns) {
int posInRowRight = primaryTableSchema.columns.length;
for (ColumnRef ref2 : joinedTables[0].columns) {
// assuming only one join
if (ref2.name.equalsIgnoreCase(ref.name)) {
CompiledSQLExpression equals = new CompiledEqualsExpression(new AccessCurrentRowExpression(posInRowLeft, ref.type), new AccessCurrentRowExpression(posInRowRight, ref2.type));
naturalJoinConstraints.add(equals);
}
posInRowRight++;
}
posInRowLeft++;
}
CompiledSQLExpression naturalJoin = new CompiledMultiAndExpression(naturalJoinConstraints.toArray(new CompiledSQLExpression[0]));
joinConditions.add(naturalJoin);
}
// handle "ON" clause
Expression onExpression = joinClause.getOnExpression();
if (onExpression != null) {
// TODO: this works for INNER join, but not for LEFT/RIGHT joins
CompiledSQLExpression onCondition = SQLParserExpressionCompiler.compileExpression(onExpression, currentSchema);
joinConditions.add(onCondition);
}
op = new JoinOp(joinOutputFieldnames, ColumnRef.toColumnsArray(joinOutputColumns), new int[0], op, new int[0], scanJoinedTables[0], // generateNullsOnLeft
joinClause.isRight() || (joinClause.isFull() && joinClause.isOuter()), // generateNullsOnRight
joinClause.isLeft() || (joinClause.isFull() && joinClause.isOuter()), // mergeJoin
false, // "ON" conditions
joinConditions);
// handle "WHERE" in case of JOIN
if (whereExpression != null) {
op = new FilterOp(op, whereExpression);
}
}
// add aggregations
if (containsAggregatedFunctions) {
checkSupported(scanJoinedTables.length == 0);
op = planAggregate(selectedFields, currentSchema, op, currentSchema, plainSelect.getGroupBy());
currentSchema = new OpSchema(currentSchema.tableSpace, currentSchema.name, currentSchema.alias, ColumnRef.toColumnsRefsArray(currentSchema.name, op.getOutputSchema()));
}
// add order by
if (plainSelect.getOrderByElements() != null) {
op = planSort(op, currentSchema, plainSelect.getOrderByElements());
}
// add limit
if (plainSelect.getLimit() != null) {
checkSupported(scanJoinedTables.length == 0);
// cannot mix LIMIT and TOP
checkSupported(plainSelect.getTop() == null);
Limit limit = plainSelect.getLimit();
CompiledSQLExpression offset;
if (limit.getOffset() != null) {
offset = SQLParserExpressionCompiler.compileExpression(limit.getOffset(), currentSchema);
} else {
offset = new ConstantExpression(0, ColumnTypes.NOTNULL_LONG);
}
CompiledSQLExpression rowCount = null;
if (limit.getRowCount() != null) {
rowCount = SQLParserExpressionCompiler.compileExpression(limit.getRowCount(), currentSchema);
}
op = new LimitOp(op, rowCount, offset);
}
if (plainSelect.getTop() != null) {
checkSupported(scanJoinedTables.length == 0);
// cannot mix LIMIT and TOP
checkSupported(plainSelect.getLimit() == null);
Top limit = plainSelect.getTop();
CompiledSQLExpression rowCount = null;
if (limit.getExpression() != null) {
rowCount = SQLParserExpressionCompiler.compileExpression(limit.getExpression(), currentSchema);
}
op = new LimitOp(op, rowCount, new ConstantExpression(0, ColumnTypes.NOTNULL_LONG));
}
if (!containsAggregatedFunctions && !identityProjection) {
// add projection
op = new ProjectOp(projection, op);
}
// additional maxrows from JDBC PreparedStatement
if (maxRows > 0) {
op = new LimitOp(op, new ConstantExpression(maxRows, ColumnTypes.NOTNULL_LONG), new ConstantExpression(0, ColumnTypes.NOTNULL_LONG)).optimize();
}
return op;
}
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