use of org.h2.expression.ExpressionColumn in project ignite by apache.
the class CollocationModel method joinedWithCollocated.
/**
* @param f Filter.
* @return Affinity join type.
*/
@SuppressWarnings("ForLoopReplaceableByForEach")
private CollocationModelAffinity joinedWithCollocated(int f) {
TableFilter tf = childFilters[f];
GridH2Table tbl = (GridH2Table) tf.getTable();
if (validate) {
if (tbl.isCustomAffinityMapper())
throw customAffinityError(tbl.cacheName());
if (F.isEmpty(tf.getIndexConditions())) {
throw new CacheException("Failed to prepare distributed join query: " + "join condition does not use index [joinedCache=" + tbl.cacheName() + ", plan=" + tf.getSelect().getPlanSQL() + ']');
}
}
IndexColumn affCol = tbl.getAffinityKeyColumn();
boolean affKeyCondFound = false;
if (affCol != null) {
ArrayList<IndexCondition> idxConditions = tf.getIndexConditions();
int affColId = affCol.column.getColumnId();
for (int i = 0; i < idxConditions.size(); i++) {
IndexCondition c = idxConditions.get(i);
int colId = c.getColumn().getColumnId();
int cmpType = c.getCompareType();
if ((cmpType == Comparison.EQUAL || cmpType == Comparison.EQUAL_NULL_SAFE) && (colId == affColId || tbl.rowDescriptor().isKeyColumn(colId)) && c.isEvaluatable()) {
affKeyCondFound = true;
Expression exp = c.getExpression();
exp = exp.getNonAliasExpression();
if (exp instanceof ExpressionColumn) {
ExpressionColumn expCol = (ExpressionColumn) exp;
// This is one of our previous joins.
TableFilter prevJoin = expCol.getTableFilter();
if (prevJoin != null) {
CollocationModel cm = child(indexOf(prevJoin), true);
// different affinity columns from different tables.
if (cm != null && !cm.view) {
CollocationModelType t = cm.type(true);
if (t.isPartitioned() && t.isCollocated() && isAffinityColumn(prevJoin, expCol, validate))
return CollocationModelAffinity.COLLOCATED_JOIN;
}
}
}
}
}
}
return affKeyCondFound ? CollocationModelAffinity.HAS_AFFINITY_CONDITION : CollocationModelAffinity.NONE;
}
use of org.h2.expression.ExpressionColumn in project ignite by apache.
the class GridSqlQueryParser method parseExpression0.
/**
* @param expression Expression.
* @param calcTypes Calculate types for all the expressions.
* @return Parsed expression.
*/
private GridSqlElement parseExpression0(Expression expression, boolean calcTypes) {
if (expression instanceof ExpressionColumn) {
ExpressionColumn expCol = (ExpressionColumn) expression;
return new GridSqlColumn(expCol.getColumn(), parseTableFilter(expCol.getTableFilter()), SCHEMA_NAME.get(expCol), expCol.getOriginalTableAliasName(), expCol.getColumnName());
}
if (expression instanceof Alias)
return new GridSqlAlias(expression.getAlias(), parseExpression(expression.getNonAliasExpression(), calcTypes), true);
if (expression instanceof ValueExpression)
// == comparison is legit, see ValueExpression#getSQL()
return expression == ValueExpression.getDefault() ? GridSqlKeyword.DEFAULT : new GridSqlConst(expression.getValue(null));
if (expression instanceof Operation) {
Operation operation = (Operation) expression;
Operation.OpType type = OPERATION_TYPE.get(operation);
if (type == Operation.OpType.NEGATE) {
assert OPERATION_RIGHT.get(operation) == null;
return new GridSqlOperation(GridSqlOperationType.NEGATE, parseExpression(OPERATION_LEFT.get(operation), calcTypes));
}
return new GridSqlOperation(mapOperationType(type), parseExpression(OPERATION_LEFT.get(operation), calcTypes), parseExpression(OPERATION_RIGHT.get(operation), calcTypes));
}
if (expression instanceof Comparison) {
Comparison cmp = (Comparison) expression;
GridSqlOperationType opType = COMPARISON_TYPES[COMPARISON_TYPE.get(cmp)];
assert opType != null : COMPARISON_TYPE.get(cmp);
Expression leftExp = COMPARISON_LEFT.get(cmp);
GridSqlElement left = parseExpression(leftExp, calcTypes);
if (opType.childrenCount() == 1)
return new GridSqlOperation(opType, left);
Expression rightExp = COMPARISON_RIGHT.get(cmp);
GridSqlElement right = parseExpression(rightExp, calcTypes);
return new GridSqlOperation(opType, left, right);
}
if (expression instanceof ConditionNot)
return new GridSqlOperation(NOT, parseExpression(expression.getNotIfPossible(null), calcTypes));
if (expression instanceof ConditionAndOr) {
ConditionAndOr andOr = (ConditionAndOr) expression;
int type = ANDOR_TYPE.get(andOr);
assert type == ConditionAndOr.AND || type == ConditionAndOr.OR;
return new GridSqlOperation(type == ConditionAndOr.AND ? AND : OR, parseExpression(ANDOR_LEFT.get(andOr), calcTypes), parseExpression(ANDOR_RIGHT.get(andOr), calcTypes));
}
if (expression instanceof Subquery) {
Query qry = ((Subquery) expression).getQuery();
return parseQueryExpression(qry);
}
if (expression instanceof ConditionIn) {
GridSqlOperation res = new GridSqlOperation(IN);
res.addChild(parseExpression(LEFT_CI.get((ConditionIn) expression), calcTypes));
List<Expression> vals = VALUE_LIST_CI.get((ConditionIn) expression);
for (Expression val : vals) res.addChild(parseExpression(val, calcTypes));
return res;
}
if (expression instanceof ConditionInConstantSet) {
GridSqlOperation res = new GridSqlOperation(IN);
res.addChild(parseExpression(LEFT_CICS.get((ConditionInConstantSet) expression), calcTypes));
List<Expression> vals = VALUE_LIST_CICS.get((ConditionInConstantSet) expression);
for (Expression val : vals) res.addChild(parseExpression(val, calcTypes));
return res;
}
if (expression instanceof ConditionInSelect) {
GridSqlOperation res = new GridSqlOperation(IN);
boolean all = ALL.get((ConditionInSelect) expression);
int compareType = COMPARE_TYPE.get((ConditionInSelect) expression);
assert0(!all, expression);
assert0(compareType == Comparison.EQUAL, expression);
res.addChild(parseExpression(LEFT_CIS.get((ConditionInSelect) expression), calcTypes));
Query qry = QUERY_IN.get((ConditionInSelect) expression);
res.addChild(parseQueryExpression(qry));
return res;
}
if (expression instanceof CompareLike) {
assert0(ESCAPE.get((CompareLike) expression) == null, expression);
boolean regexp = REGEXP_CL.get((CompareLike) expression);
return new GridSqlOperation(regexp ? REGEXP : LIKE, parseExpression(LEFT.get((CompareLike) expression), calcTypes), parseExpression(RIGHT.get((CompareLike) expression), calcTypes));
}
if (expression instanceof Function) {
Function f = (Function) expression;
GridSqlFunction res = new GridSqlFunction(null, f.getName());
if (f.getArgs() != null) {
if (f.getFunctionType() == Function.TABLE || f.getFunctionType() == Function.TABLE_DISTINCT) {
Column[] cols = FUNC_TBL_COLS.get((TableFunction) f);
Expression[] args = f.getArgs();
assert cols.length == args.length;
for (int i = 0; i < cols.length; i++) {
GridSqlElement arg = parseExpression(args[i], calcTypes);
GridSqlAlias alias = new GridSqlAlias(cols[i].getName(), arg, false);
alias.resultType(fromColumn(cols[i]));
res.addChild(alias);
}
} else {
for (Expression arg : f.getArgs()) {
if (arg == null) {
if (f.getFunctionType() != Function.CASE)
throw new IllegalStateException("Function type with null arg: " + f.getFunctionType());
res.addChild(GridSqlPlaceholder.EMPTY);
} else
res.addChild(parseExpression(arg, calcTypes));
}
}
}
if (f.getFunctionType() == Function.CAST || f.getFunctionType() == Function.CONVERT) {
checkTypeSupported(f.getType(), "[expSql=" + f.getSQL() + ']');
res.resultType(fromExpression(f));
}
return res;
}
if (expression instanceof JavaFunction) {
JavaFunction f = (JavaFunction) expression;
FunctionAlias alias = FUNC_ALIAS.get(f);
GridSqlFunction res = new GridSqlFunction(alias.getSchema().getName(), f.getName());
if (f.getArgs() != null) {
for (Expression arg : f.getArgs()) res.addChild(parseExpression(arg, calcTypes));
}
return res;
}
if (expression instanceof Parameter)
return new GridSqlParameter(((Parameter) expression).getIndex());
if (expression instanceof Aggregate) {
Aggregate.AggregateType type = TYPE.get((Aggregate) expression);
if (GridSqlAggregateFunction.isValidType(type)) {
GridSqlAggregateFunction res = new GridSqlAggregateFunction(DISTINCT.get((Aggregate) expression), type);
Expression on = ON.get((Aggregate) expression);
if (on != null)
res.addChild(parseExpression(on, calcTypes));
ArrayList<SelectOrderBy> orders = GROUP_CONCAT_ORDER_LIST.get((Aggregate) expression);
if (!F.isEmpty(orders))
parseGroupConcatOrder(res, orders, calcTypes);
Expression separator = GROUP_CONCAT_SEPARATOR.get((Aggregate) expression);
if (separator != null)
res.setGroupConcatSeparator(parseExpression(separator, calcTypes));
return res;
}
}
if (expression instanceof ExpressionList) {
Expression[] exprs = EXPR_LIST.get((ExpressionList) expression);
GridSqlArray res = new GridSqlArray(exprs.length);
for (Expression expr : exprs) res.addChild(parseExpression(expr, calcTypes));
return res;
}
if (expression instanceof ConditionExists) {
Query qry = QUERY_EXISTS.get((ConditionExists) expression);
GridSqlOperation res = new GridSqlOperation(EXISTS);
res.addChild(parseQueryExpression(qry));
return res;
}
throw new IgniteException("Unsupported expression: " + expression + " [type=" + expression.getClass().getSimpleName() + ']');
}
use of org.h2.expression.ExpressionColumn in project siena by mandubian.
the class FullText method addColumnData.
private static void addColumnData(ArrayList<String> columns, ArrayList<String> data, Expression expr) {
if (expr instanceof ConditionAndOr) {
ConditionAndOr and = (ConditionAndOr) expr;
Expression left = and.getExpression(true);
Expression right = and.getExpression(false);
addColumnData(columns, data, left);
addColumnData(columns, data, right);
} else {
Comparison comp = (Comparison) expr;
ExpressionColumn ec = (ExpressionColumn) comp.getExpression(true);
ValueExpression ev = (ValueExpression) comp.getExpression(false);
String columnName = ec.getColumnName();
columns.add(columnName);
if (ev == null) {
data.add(null);
} else {
data.add(ev.getValue(null).getString());
}
}
}
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