public static class JdbcRules.JdbcProject extends Project implements JdbcRel
LogicalProject in
jdbc calling convention.Project.Flagsdigest, id, rowType, traitSet| Constructor and Description |
|---|
JdbcRules.JdbcProject(RelOptCluster cluster,
RelTraitSet traitSet,
RelNode input,
List<? extends RexNode> projects,
RelDataType rowType) |
JdbcRules.JdbcProject(RelOptCluster cluster,
RelTraitSet traitSet,
RelNode input,
List<RexNode> projects,
RelDataType rowType,
int flags)
Deprecated.
|
| Modifier and Type | Method and Description |
|---|---|
RelOptCost |
computeSelfCost(RelOptPlanner planner)
Returns the cost of this plan (not including children).
|
JdbcRules.JdbcProject |
copy(RelTraitSet traitSet,
RelNode input,
List<RexNode> projects,
RelDataType rowType)
Copies a project.
|
JdbcImplementor.Result |
implement(JdbcImplementor implementor) |
accept, copy, copy, explainTerms, getChildExps, getFlags, getMapping, getMapping, getNamedProjects, getPartialMapping, getPermutation, getPermutation, getProjects, isBoxed, isMapping, isValidchildrenAccept, deriveRowType, getInput, getInputs, getRows, replaceInputaccept, collectVariablesSet, collectVariablesUsed, computeDigest, explain, getCluster, getCollationList, getConvention, getCorrelVariable, getDescription, getDigest, getExpectedInputRowType, getId, getInput, getQuery, getRelTypeName, getRowType, getTable, getTraitSet, getVariablesStopped, isDistinct, isKey, metadata, onRegister, recomputeDigest, register, sole, toStringclone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, waitaccept, accept, childrenAccept, collectVariablesSet, collectVariablesUsed, copy, explain, getChildExps, getCollationList, getConvention, getCorrelVariable, getExpectedInputRowType, getInput, getInputs, getQuery, getRelTypeName, getRows, getRowType, getTable, getVariablesStopped, isDistinct, isKey, isValid, metadata, onRegister, recomputeDigest, register, replaceInputgetCluster, getDescription, getDigest, getId, getTraitSetpublic JdbcRules.JdbcProject(RelOptCluster cluster, RelTraitSet traitSet, RelNode input, List<? extends RexNode> projects, RelDataType rowType)
@Deprecated public JdbcRules.JdbcProject(RelOptCluster cluster, RelTraitSet traitSet, RelNode input, List<RexNode> projects, RelDataType rowType, int flags)
public JdbcRules.JdbcProject copy(RelTraitSet traitSet, RelNode input, List<RexNode> projects, RelDataType rowType)
Projectcopy in class ProjecttraitSet - Traitsinput - Inputprojects - Project expressionsrowType - Output row typeProject if any parameter differs from the value of this
Project, or just this if all the parameters are
the sameProject.copy(RelTraitSet, List)public RelOptCost computeSelfCost(RelOptPlanner planner)
RelNodeNOTE jvs 29-Mar-2006: Don't call this method directly. Instead, use
RelMetadataQuery.getNonCumulativeCost(org.apache.calcite.rel.RelNode), which gives plugins a
chance to override the rel's default ideas about cost.
computeSelfCost in interface RelNodecomputeSelfCost in class Projectplanner - Planner for cost calculationpublic JdbcImplementor.Result implement(JdbcImplementor implementor)
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