com.mapd.calcite.parser.HeavyDBParser.JoinOperatorChecker Class Reference

Inheritance diagram for com.mapd.calcite.parser.HeavyDBParser.JoinOperatorChecker:

Collaboration diagram for com.mapd.calcite.parser.HeavyDBParser.JoinOperatorChecker:

Public Member Functions
boolean	isEqualityJoinOperator (SqlBasicCall basicCall)
Void	visit (SqlCall call)

Package Functions
boolean	containsExpression (SqlNode node)

Package Attributes
Set< SqlBasicCall >	targetCalls = new HashSet<>()

Detailed Description

Definition at line 1845 of file HeavyDBParser.java.

Member Function Documentation

boolean com.mapd.calcite.parser.HeavyDBParser.JoinOperatorChecker.containsExpression ( SqlNode  node )

inlinepackage

Definition at line 1874 of file HeavyDBParser.java.

Referenced by com.mapd.calcite.parser.HeavyDBParser.getPlanner().

                                             {
      try {
        if (null != node) {
          node.accept(this);
          for (SqlBasicCall basicCall : targetCalls) {
            if (isEqualityJoinOperator(basicCall)) {
              throw Util.FoundOne.NULL;
            }
          }
        }
        return false;
      } catch (Util.FoundOne e) {
        return true;
      }
    }

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boolean com.mapd.calcite.parser.HeavyDBParser.JoinOperatorChecker.isEqualityJoinOperator ( SqlBasicCall  basicCall )

inline

Definition at line 1848 of file HeavyDBParser.java.

                                                                  {
      if (null != basicCall) {
        if (basicCall.operands.length == 2
                && (basicCall.getKind() == SqlKind.EQUALS
                        || basicCall.getKind() == SqlKind.NOT_EQUALS)
                && basicCall.operand(0) instanceof SqlIdentifier
                && basicCall.operand(1) instanceof SqlIdentifier) {
          return true;
        }
      }
      return false;
    }

Void com.mapd.calcite.parser.HeavyDBParser.JoinOperatorChecker.visit ( SqlCall  call )

inline

Definition at line 1862 of file HeavyDBParser.java.

                                    {
      if (call instanceof SqlBasicCall) {
        targetCalls.add((SqlBasicCall) call);
      }
      for (SqlNode node : call.getOperandList()) {
        if (null != node && !targetCalls.contains(node)) {
          node.accept(this);
        }
      }
      return super.visit(call);
    }

Member Data Documentation

Set<SqlBasicCall> com.mapd.calcite.parser.HeavyDBParser.JoinOperatorChecker.targetCalls = new HashSet<>()

package

Definition at line 1846 of file HeavyDBParser.java.

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The documentation for this class was generated from the following file:

• /home/jenkins-slave/workspace/core-os-doxygen/java/calcite/src/main/java/com/mapd/calcite/parser/HeavyDBParser.java