How to use
isTrivial
method
in
org.apache.calcite.rex.RexProgram

Best Java code snippets using org.apache.calcite.rex.RexProgram.isTrivial (Showing top 4 results out of 315)

Common ways to obtain RexProgram

private void myMethod () {
 RexProgram r =RexProgramBuilder programBuilder;programBuilder.getProgram()
Calc calc;calc.getProgram()
RexProgramBuilder rexProgramBuilder;rexProgramBuilder.getProgram(false)
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}

 public void onMatch(RelOptRuleCall call) {
  LogicalCalc calc = call.rel(0);
  RexProgram program = calc.getProgram();
  if (!program.isTrivial()) {
   return;
  }
  RelNode input = calc.getInput();
  input = call.getPlanner().register(input, calc);
  call.transformTo(
    convert(
      input,
      calc.getTraitSet()));
 }
}

 public void onMatch(RelOptRuleCall call) {
  LogicalCalc calc = call.rel(0);
  RexProgram program = calc.getProgram();
  if (!program.isTrivial()) {
   return;
  }
  RelNode input = calc.getInput();
  input = call.getPlanner().register(input, calc);
  call.transformTo(
    convert(
      input,
      calc.getTraitSet()));
 }
}

 && ((LogicalCalc) rel).getProgram().isTrivial()) {
rel = rel.getInput(0);

 && ((LogicalCalc) rel).getProgram().isTrivial()) {
rel = rel.getInput(0);

Javadoc

Returns whether this program returns its input exactly.

This is a stronger condition than #projectsIdentity(boolean).

Popular methods of RexProgram

expandLocalRef
Fully expands a RexLocalRef back into a pure RexNode tree containing no RexLocalRefs (reversing the
getCondition
Returns the field reference of this program's filter condition, or null if there is no condition.
getInputRowType
Returns the type of the input row to the program.
getProjectList
Returns an array of references to the expressions which this program is to project. Never null, may
create
Creates a program which calculates projections and filters rows based upon a condition. Does not att
getExprList
Returns the common sub-expressions of this program.The list is never null but may be empty; each the
normalize
toString
<init>
Creates a program.The expressions must be valid: they must not contain common expressions, forward r
containsAggs
Returns whether this program contains windowed aggregate functions
getExprCount
Returns the number of expressions in this program.
getOutputRowType
Returns the type of the output row from this program.

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How to use isTrivialmethodin org.apache.calcite.rex.RexProgram

Best Java code snippets using org.apache.calcite.rex.RexProgram.isTrivial (Showing top 4 results out of 315)

How to use
isTrivial
method
in
org.apache.calcite.rex.RexProgram