org.apache.calcite.sql2rel

Class StandardConvertletTable

java.lang.Object

org.apache.calcite.sql2rel.ReflectiveConvertletTable

org.apache.calcite.sql2rel.StandardConvertletTable

All Implemented Interfaces:

SqlRexConvertletTable

public class StandardConvertletTable
extends ReflectiveConvertletTable

Standard implementation of SqlRexConvertletTable.

Field Summary

Fields

Modifier and Type	Field and Description
static StandardConvertletTable	INSTANCE Singleton instance.

Method Summary

Methods

Modifier and Type	Method and Description
RexNode	castToValidatedType(SqlRexContext cx, SqlCall call, RexNode value) Casts a RexNode value to the validated type of a SqlCall.
RexNode	convertAggregateFunction(SqlRexContext cx, SqlAggFunction fun, SqlCall call)
RexNode	convertArray(SqlRexContext cx, SqlArrayValueConstructor op, SqlCall call)
RexNode	convertBetween(SqlRexContext cx, SqlBetweenOperator op, SqlCall call) Converts a BETWEEN expression.
RexNode	convertCall(SqlRexContext cx, SqlCall call) Converts a call to an operator into a RexCall to the same operator.
RexNode	convertCase(SqlRexContext cx, SqlCase call) Converts a CASE expression.
protected RexNode	convertCast(SqlRexContext cx, SqlCall call)
RexNode	convertDatetimeMinus(SqlRexContext cx, SqlDatetimeSubtractionOperator op, SqlCall call)
RexNode	convertExtract(SqlRexContext cx, SqlExtractFunction op, SqlCall call)
protected RexNode	convertFloorCeil(SqlRexContext cx, SqlCall call, boolean floor)
RexNode	convertFunction(SqlRexContext cx, SqlFunction fun, SqlCall call)
RexNode	convertJdbc(SqlRexContext cx, SqlJdbcFunctionCall op, SqlCall call)
RexNode	convertLiteralChain(SqlRexContext cx, SqlLiteralChainOperator op, SqlCall call) Converts a LiteralChain expression: that is, concatenates the operands immediately, to produce a single literal string.
RexNode	convertMap(SqlRexContext cx, SqlMapValueConstructor op, SqlCall call)
RexNode	convertMultiset(SqlRexContext cx, SqlMultisetValueConstructor op, SqlCall call)
RexNode	convertMultisetQuery(SqlRexContext cx, SqlMultisetQueryConstructor op, SqlCall call)
RexNode	convertOverlaps(SqlRexContext cx, SqlOverlapsOperator op, SqlCall call) Converts a call to OVERLAPS.
RexNode	convertQuarter(SqlRexContext cx, SqlQuarterFunction op, SqlCall call) Converts a call to the QUARTER function.
RexNode	convertRow(SqlRexContext cx, SqlRowOperator op, SqlCall call) Converts a ROW.
RexNode	convertSequenceValue(SqlRexContext cx, SqlSequenceValueOperator fun, SqlCall call)

Methods inherited from class org.apache.calcite.sql2rel.ReflectiveConvertletTable

addAlias, get, registerOp

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

INSTANCE

public static final StandardConvertletTable INSTANCE

Singleton instance.

Method Detail

convertCase

public RexNode convertCase(SqlRexContext cx,
                  SqlCase call)

Converts a CASE expression.

convertMultiset

public RexNode convertMultiset(SqlRexContext cx,
                      SqlMultisetValueConstructor op,
                      SqlCall call)

convertArray

public RexNode convertArray(SqlRexContext cx,
                   SqlArrayValueConstructor op,
                   SqlCall call)

convertMap

public RexNode convertMap(SqlRexContext cx,
                 SqlMapValueConstructor op,
                 SqlCall call)

convertMultisetQuery

public RexNode convertMultisetQuery(SqlRexContext cx,
                           SqlMultisetQueryConstructor op,
                           SqlCall call)

convertJdbc

public RexNode convertJdbc(SqlRexContext cx,
                  SqlJdbcFunctionCall op,
                  SqlCall call)

convertCast

protected RexNode convertCast(SqlRexContext cx,
                  SqlCall call)

convertFloorCeil

protected RexNode convertFloorCeil(SqlRexContext cx,
                       SqlCall call,
                       boolean floor)

convertExtract

public RexNode convertExtract(SqlRexContext cx,
                     SqlExtractFunction op,
                     SqlCall call)

convertQuarter

public RexNode convertQuarter(SqlRexContext cx,
                     SqlQuarterFunction op,
                     SqlCall call)

Converts a call to the QUARTER function.

Called automatically via reflection.

convertDatetimeMinus

public RexNode convertDatetimeMinus(SqlRexContext cx,
                           SqlDatetimeSubtractionOperator op,
                           SqlCall call)

convertFunction

public RexNode convertFunction(SqlRexContext cx,
                      SqlFunction fun,
                      SqlCall call)

convertSequenceValue

public RexNode convertSequenceValue(SqlRexContext cx,
                           SqlSequenceValueOperator fun,
                           SqlCall call)

convertAggregateFunction

public RexNode convertAggregateFunction(SqlRexContext cx,
                               SqlAggFunction fun,
                               SqlCall call)

convertCall

public RexNode convertCall(SqlRexContext cx,
                  SqlCall call)

Converts a call to an operator into a RexCall to the same operator.

Called automatically via reflection.

Parameters:

cx - Context

call - Call

Returns:

Rex call

convertBetween

public RexNode convertBetween(SqlRexContext cx,
                     SqlBetweenOperator op,
                     SqlCall call)

Converts a BETWEEN expression.

Called automatically via reflection.

convertLiteralChain

public RexNode convertLiteralChain(SqlRexContext cx,
                          SqlLiteralChainOperator op,
                          SqlCall call)

Converts a LiteralChain expression: that is, concatenates the operands immediately, to produce a single literal string.

Called automatically via reflection.

convertRow

public RexNode convertRow(SqlRexContext cx,
                 SqlRowOperator op,
                 SqlCall call)

Converts a ROW.

Called automatically via reflection.

convertOverlaps

public RexNode convertOverlaps(SqlRexContext cx,
                      SqlOverlapsOperator op,
                      SqlCall call)

Converts a call to OVERLAPS.

Called automatically via reflection.

castToValidatedType

public RexNode castToValidatedType(SqlRexContext cx,
                          SqlCall call,
                          RexNode value)

Casts a RexNode value to the validated type of a SqlCall. If the value was already of the validated type, then the value is returned without an additional cast.