com.mapd.calcite.parser.MapDSqlOperatorTable.ExtFunction Class Reference

Inheritance diagram for com.mapd.calcite.parser.MapDSqlOperatorTable.ExtFunction:

Collaboration diagram for com.mapd.calcite.parser.MapDSqlOperatorTable.ExtFunction:

Public Member Functions
RelDataType	inferReturnType (SqlOperatorBinding opBinding)

Package Functions
	ExtFunction (final String name, final ExtensionFunction sig)

Static Private Member Functions
static java.util.List< SqlTypeFamily >	toSqlSignature (final ExtensionFunction sig)
static boolean	isPointerType (final ExtensionFunction.ExtArgumentType type)
static ExtensionFunction.ExtArgumentType	getValueType (final ExtensionFunction.ExtArgumentType type)
static SqlTypeName	toSqlTypeName (final ExtensionFunction.ExtArgumentType type)

Private Attributes
final boolean	isRowUdf
final SqlTypeName	ret

Detailed Description

Definition at line 1465 of file MapDSqlOperatorTable.java.

Constructor & Destructor Documentation

ExtFunction()

com.mapd.calcite.parser.MapDSqlOperatorTable.ExtFunction.ExtFunction ( final String  name, final ExtensionFunction  sig  )

inlinepackage

Definition at line 1466 of file MapDSqlOperatorTable.java.

References com.mapd.parser.server.ExtensionFunction.getRet(), and com.mapd.parser.server.ExtensionFunction.isRowUdf.

                                                                {
      super(name,
              SqlKind.OTHER_FUNCTION,
              null,
              null,
              OperandTypes.family(toSqlSignature(sig)),
              sig.isRowUdf() ? SqlFunctionCategory.SYSTEM
                             : SqlFunctionCategory.USER_DEFINED_TABLE_FUNCTION);
      isRowUdf = sig.isRowUdf();
      if (isRowUdf) {
        ret = toSqlTypeName(sig.getRet());
      } else {
        ret = null;
      }
    }

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Member Function Documentation

getValueType()

static ExtensionFunction.ExtArgumentType com.mapd.calcite.parser.MapDSqlOperatorTable.ExtFunction.getValueType ( final ExtensionFunction.ExtArgumentType  type )

inlinestaticprivate

Definition at line 1526 of file MapDSqlOperatorTable.java.

References com.mapd.parser.server.ExtensionFunction.ExtArgumentType.Double, com.mapd.parser.server.ExtensionFunction.ExtArgumentType.Float, com.mapd.parser.server.ExtensionFunction.ExtArgumentType.Int16, com.mapd.parser.server.ExtensionFunction.ExtArgumentType.Int32, com.mapd.parser.server.ExtensionFunction.ExtArgumentType.Int64, com.mapd.parser.server.ExtensionFunction.ExtArgumentType.Int8, PDouble, PFloat, PInt16, PInt32, PInt64, PInt8, and run_benchmark_import.type.

                                                          {
      switch (type) {
        case PInt8:
          return ExtensionFunction.ExtArgumentType.Int8;
        case PInt16:
          return ExtensionFunction.ExtArgumentType.Int16;
        case PInt32:
          return ExtensionFunction.ExtArgumentType.Int32;
        case PInt64:
          return ExtensionFunction.ExtArgumentType.Int64;
        case PFloat:
          return ExtensionFunction.ExtArgumentType.Float;
        case PDouble:
          return ExtensionFunction.ExtArgumentType.Double;
      }
      MAPDLOGGER.error("getValueType: no value for type " + type);
      assert false;
      return null;
    }

inferReturnType()

RelDataType com.mapd.calcite.parser.MapDSqlOperatorTable.ExtFunction.inferReturnType ( SqlOperatorBinding  opBinding )

inline

Definition at line 1515 of file MapDSqlOperatorTable.java.

                                                                     {
      if (isRowUdf) {
        final RelDataTypeFactory typeFactory = opBinding.getTypeFactory();
        return typeFactory.createTypeWithNullability(
                typeFactory.createSqlType(ret), true);
      } else {
        assert opBinding.getOperandCount() == 2;
        return opBinding.getCursorOperand(0);
      }
    }

isPointerType()

static boolean com.mapd.calcite.parser.MapDSqlOperatorTable.ExtFunction.isPointerType ( final ExtensionFunction.ExtArgumentType  type )

inlinestaticprivate

Definition at line 1505 of file MapDSqlOperatorTable.java.

References com.mapd.parser.server.ExtensionFunction.ExtArgumentType.PDouble, com.mapd.parser.server.ExtensionFunction.ExtArgumentType.PFloat, com.mapd.parser.server.ExtensionFunction.ExtArgumentType.PInt16, com.mapd.parser.server.ExtensionFunction.ExtArgumentType.PInt32, com.mapd.parser.server.ExtensionFunction.ExtArgumentType.PInt64, com.mapd.parser.server.ExtensionFunction.ExtArgumentType.PInt8, and run_benchmark_import.type.

                                                                                       {
      return type == ExtensionFunction.ExtArgumentType.PInt8
              || type == ExtensionFunction.ExtArgumentType.PInt16
              || type == ExtensionFunction.ExtArgumentType.PInt32
              || type == ExtensionFunction.ExtArgumentType.PInt64
              || type == ExtensionFunction.ExtArgumentType.PFloat
              || type == ExtensionFunction.ExtArgumentType.PDouble;
    }

toSqlSignature()

static java.util.List<SqlTypeFamily> com.mapd.calcite.parser.MapDSqlOperatorTable.ExtFunction.toSqlSignature ( final ExtensionFunction  sig )

inlinestaticprivate

Definition at line 1482 of file MapDSqlOperatorTable.java.

References com.mapd.parser.server.ExtensionFunction.getArgs(), and com.mapd.parser.server.ExtensionFunction.isRowUdf.

                                         {
      java.util.List<SqlTypeFamily> sql_sig = new java.util.ArrayList<SqlTypeFamily>();
      boolean isRowUdf = sig.isRowUdf();
      for (int arg_idx = 0; arg_idx < sig.getArgs().size(); ++arg_idx) {
        final ExtensionFunction.ExtArgumentType arg_type = sig.getArgs().get(arg_idx);
        if (isRowUdf) {
          sql_sig.add(toSqlTypeName(arg_type).getFamily());
          if (isPointerType(arg_type)) {
            ++arg_idx;
          }
        } else {
          if (isPointerType(arg_type)) {
            /* TODO: eliminate using getValueType */
            sql_sig.add(toSqlTypeName(getValueType(arg_type)).getFamily());
          } else {
            sql_sig.add(toSqlTypeName(arg_type).getFamily());
          }
        }
      }
      return sql_sig;
    }

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toSqlTypeName()

static SqlTypeName com.mapd.calcite.parser.MapDSqlOperatorTable.ExtFunction.toSqlTypeName ( final ExtensionFunction.ExtArgumentType  type )

inlinestaticprivate

Definition at line 1547 of file MapDSqlOperatorTable.java.

References ArrayDouble, ArrayFloat, ArrayInt16, ArrayInt32, ArrayInt64, ArrayInt8, Bool, Cursor, Double, Float, GeoLineString, GeoPoint, GeoPolygon, Int16, Int32, Int64, Int8, PDouble, PFloat, PInt16, PInt32, PInt64, PInt8, and run_benchmark_import.type.

                                                          {
      switch (type) {
        case Bool:
          return SqlTypeName.BOOLEAN;
        case Int8:
          return SqlTypeName.TINYINT;
        case Int16:
          return SqlTypeName.SMALLINT;
        case Int32:
          return SqlTypeName.INTEGER;
        case Int64:
          return SqlTypeName.BIGINT;
        case Float:
          return SqlTypeName.FLOAT;
        case Double:
          return SqlTypeName.DOUBLE;
        case PInt8:
        case PInt16:
        case PInt32:
        case PInt64:
        case PFloat:
        case PDouble:
        case ArrayInt8:
        case ArrayInt16:
        case ArrayInt32:
        case ArrayInt64:
        case ArrayFloat:
        case ArrayDouble:
          return SqlTypeName.ARRAY;
        case GeoPoint:
        case GeoLineString:
        case GeoPolygon:
          return SqlTypeName.GEOMETRY;
        case Cursor:
          return SqlTypeName.CURSOR;
      }
      MAPDLOGGER.error("toSqlTypeName: unknown type " + type);
      assert false;
      return null;
    }

Member Data Documentation

isRowUdf

final boolean com.mapd.calcite.parser.MapDSqlOperatorTable.ExtFunction.isRowUdf

private

Definition at line 1588 of file MapDSqlOperatorTable.java.

ret

final SqlTypeName com.mapd.calcite.parser.MapDSqlOperatorTable.ExtFunction.ret

private

Definition at line 1589 of file MapDSqlOperatorTable.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/MapDSqlOperatorTable.java