Package | Description |
---|---|
org.apache.drill.common.expression |
Logical expression tree representation.
|
org.apache.drill.common.expression.visitors |
Visitors for validating or optimizing logical expressions.
|
org.apache.drill.exec.compile.sig |
TODO - write docs for this package
|
org.apache.drill.exec.expr |
Drill expression materialization and evaluation facilities.
|
org.apache.drill.exec.expr.fn.interpreter |
Modifier and Type | Field and Description |
---|---|
static NullExpression |
NullExpression.INSTANCE |
Modifier and Type | Method and Description |
---|---|
Void |
ExpressionStringBuilder.visitNullExpression(NullExpression e,
StringBuilder sb) |
Modifier and Type | Method and Description |
---|---|
Boolean |
AggregateChecker.visitNullExpression(NullExpression e,
ErrorCollector value) |
Void |
ExpressionValidator.visitNullExpression(NullExpression e,
ErrorCollector value) |
T |
AbstractExprVisitor.visitNullExpression(NullExpression e,
VAL value) |
T |
ExprVisitor.visitNullExpression(NullExpression e,
VAL value) |
Modifier and Type | Method and Description |
---|---|
Boolean |
ConstantExpressionIdentifier.visitNullExpression(NullExpression e,
IdentityHashMap<LogicalExpression,Object> value) |
Modifier and Type | Method and Description |
---|---|
LogicalExpression |
CloneVisitor.visitNullExpression(NullExpression e,
Void value) |
Integer |
HashVisitor.visitNullExpression(NullExpression e,
Void value) |
Modifier and Type | Method and Description |
---|---|
ValueHolder |
InterpreterEvaluator.EvalVisitor.visitNullExpression(NullExpression e,
Integer value) |
Copyright © 1970 The Apache Software Foundation. All rights reserved.