com.mapd.calcite.parser.HeavyDBSqlOperatorTable.LeftRightTrim Class Reference

Inheritance diagram for com.mapd.calcite.parser.HeavyDBSqlOperatorTable.LeftRightTrim:

Collaboration diagram for com.mapd.calcite.parser.HeavyDBSqlOperatorTable.LeftRightTrim:

Public Member Functions
	LeftRightTrim (final String name, final SqlKind kind)
SqlCall	createCall (@Nullable SqlLiteral functionQualifier, SqlParserPos pos,@Nullable SqlNode...operands)
boolean	requiresCreate (List< SqlNode > operands)

Detailed Description

Definition at line 1037 of file HeavyDBSqlOperatorTable.java.

Constructor & Destructor Documentation

com.mapd.calcite.parser.HeavyDBSqlOperatorTable.LeftRightTrim.LeftRightTrim ( final String  name, final SqlKind  kind  )

inline

Definition at line 1038 of file HeavyDBSqlOperatorTable.java.

                                                                {
      super(name,
              kind,
              ReturnTypes.ARG0.andThen(SqlTypeTransforms.TO_NULLABLE)
                      .andThen(SqlTypeTransforms.TO_VARYING),
              null,
              OperandTypes.and(
                      OperandTypes.family(SqlTypeFamily.STRING, SqlTypeFamily.STRING),
                      new SameOperandTypeChecker(2) {
                        @Override
                        protected List<Integer> getOperandList(int operandCount) {
                          return ImmutableList.of(0, 1);
                        }
                      }),
              SqlFunctionCategory.STRING);
    }

Member Function Documentation

SqlCall com.mapd.calcite.parser.HeavyDBSqlOperatorTable.LeftRightTrim.createCall ( @Nullable SqlLiteral  functionQualifier, SqlParserPos  pos, @Nullable SqlNode...  operands  )

inline

Definition at line 1056 of file HeavyDBSqlOperatorTable.java.

                                           {
      assert functionQualifier == null;
      switch (operands.length) {
        case 1:
          operands = new SqlNode[] {operands[0], SqlLiteral.createCharString(" ", pos)};
          break;
        case 2:
          if (operands[1] == null) {
            operands[1] = SqlLiteral.createCharString(" ", pos);
          }
          operands = new SqlNode[] {operands[0], operands[1]};
          break;
        default:
          throw new IllegalArgumentException(
                  "Invalid operand count " + Arrays.toString(operands));
      }
      return super.createCall(functionQualifier, pos, operands);
    }

boolean com.mapd.calcite.parser.HeavyDBSqlOperatorTable.LeftRightTrim.requiresCreate ( List< SqlNode >  operands )

inline

Definition at line 1078 of file HeavyDBSqlOperatorTable.java.

                                                          {
      // if there is only 1 Operand, the code will be creating 'defaults'
      return (operands.size() == 1);
    }

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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/HeavyDBSqlOperatorTable.java