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

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

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

Public Member Functions
	LeftRightPad (final String name)
SqlCall	createCall (@Nullable SqlLiteral functionQualifier, SqlParserPos pos,@Nullable SqlNode...operands)
boolean	checkOperandTypes (SqlCallBinding callBinding, boolean throwOnFailure)
boolean	requiresCreate (List< SqlNode > operands)

Detailed Description

Definition at line 904 of file HeavyDBSqlOperatorTable.java.

Constructor & Destructor Documentation

com.mapd.calcite.parser.HeavyDBSqlOperatorTable.LeftRightPad.LeftRightPad ( final String  name )

inline

Definition at line 905 of file HeavyDBSqlOperatorTable.java.

                                           {
      super(name,
              SqlKind.OTHER_FUNCTION,
              ReturnTypes.ARG0.andThen(SqlTypeTransforms.TO_NULLABLE)
                      .andThen(SqlTypeTransforms.TO_VARYING),
              null,
              OperandTypes.and(OperandTypes.family(SqlTypeFamily.STRING,
                                       SqlTypeFamily.INTEGER,
                                       SqlTypeFamily.STRING),
                      new SameOperandTypeChecker(3) {
                        @Override
                        protected List<Integer> getOperandList(int operandCount) {
                          return ImmutableList.of(0, 2);
                        }
                      }),
              SqlFunctionCategory.STRING);
    }

Member Function Documentation

boolean com.mapd.calcite.parser.HeavyDBSqlOperatorTable.LeftRightPad.checkOperandTypes ( SqlCallBinding  callBinding, boolean  throwOnFailure  )

inline

Definition at line 947 of file HeavyDBSqlOperatorTable.java.

References TRIM.

                                                                                         {
      if (!super.checkOperandTypes(callBinding, throwOnFailure)) {
        return false;
      }
      switch (kind) {
        case TRIM:
          return SqlTypeUtil.isCharTypeComparable(callBinding,
                  ImmutableList.of(callBinding.operand(0), callBinding.operand(2)),
                  throwOnFailure);
        default:
          return true;
      }
    }

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

inline

Definition at line 924 of file HeavyDBSqlOperatorTable.java.

                                           {
      assert functionQualifier == null;
      switch (operands.length) {
        case 2:
          operands = new SqlNode[] {
                  operands[0], operands[1], SqlLiteral.createCharString(" ", pos)};
          break;
        case 3:
          if (operands[2] == null) {
            operands[2] = SqlLiteral.createCharString(" ", pos);
          }
          operands = new SqlNode[] {operands[0], operands[1], operands[2]};
          break;
        default:
          throw new IllegalArgumentException(
                  "Invalid operand count " + Arrays.toString(operands));
      }
      return super.createCall(functionQualifier, pos, operands);
    }

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

inline

Definition at line 962 of file HeavyDBSqlOperatorTable.java.

                                                          {
      // if there are only 2 Operands, the code will be creating 'defaults'
      return (operands.size() == 2);
    }

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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