org.apache.tajo.plan

Class TypeDeterminant

java.lang.Object

org.apache.tajo.plan.algebra.BaseAlgebraVisitor<CONTEXT,RESULT>

org.apache.tajo.plan.visitor.SimpleAlgebraVisitor<LogicalPlanner.PlanContext,TajoDataTypes.DataType>

org.apache.tajo.plan.TypeDeterminant

All Implemented Interfaces:

AlgebraVisitor<LogicalPlanner.PlanContext,TajoDataTypes.DataType>

public class TypeDeterminant
extends SimpleAlgebraVisitor<LogicalPlanner.PlanContext,TajoDataTypes.DataType>

Constructor Summary

Constructors

Constructor and Description
TypeDeterminant(CatalogService catalog)

Method Summary

Methods

Modifier and Type	Method and Description
TajoDataTypes.DataType	computeBinaryType(OpType type, TajoDataTypes.DataType lhsDataType, TajoDataTypes.DataType rhsDataType)
TajoDataTypes.DataType	determineDataType(LogicalPlanner.PlanContext ctx, Expr expr)
TajoDataTypes.DataType	visitBetween(LogicalPlanner.PlanContext ctx, Stack<Expr> stack, BetweenPredicate expr)
TajoDataTypes.DataType	visitBinaryOperator(LogicalPlanner.PlanContext ctx, Stack<Expr> stack, BinaryOperator expr)
TajoDataTypes.DataType	visitCaseWhen(LogicalPlanner.PlanContext ctx, Stack<Expr> stack, CaseWhenPredicate caseWhen)
TajoDataTypes.DataType	visitColumnReference(LogicalPlanner.PlanContext ctx, Stack<Expr> stack, ColumnReferenceExpr expr)
TajoDataTypes.DataType	visitCountRowsFunction(LogicalPlanner.PlanContext ctx, Stack<Expr> stack, CountRowsFunctionExpr expr)
TajoDataTypes.DataType	visitDataType(LogicalPlanner.PlanContext ctx, Stack<Expr> stack, DataTypeExpr expr)
TajoDataTypes.DataType	visitDateLiteral(LogicalPlanner.PlanContext ctx, Stack<Expr> stack, DateLiteral expr)
TajoDataTypes.DataType	visitFunction(LogicalPlanner.PlanContext ctx, Stack<Expr> stack, FunctionExpr expr)
TajoDataTypes.DataType	visitGeneralSetFunction(LogicalPlanner.PlanContext ctx, Stack<Expr> stack, GeneralSetFunctionExpr setFunction)
TajoDataTypes.DataType	visitIntervalLiteral(LogicalPlanner.PlanContext ctx, Stack<Expr> stack, IntervalLiteral expr)
TajoDataTypes.DataType	visitLiteral(LogicalPlanner.PlanContext ctx, Stack<Expr> stack, LiteralValue expr)
TajoDataTypes.DataType	visitNullLiteral(LogicalPlanner.PlanContext ctx, Stack<Expr> stack, NullLiteral expr)
TajoDataTypes.DataType	visitTimeLiteral(LogicalPlanner.PlanContext ctx, Stack<Expr> stack, TimeLiteral expr)
TajoDataTypes.DataType	visitTimestampLiteral(LogicalPlanner.PlanContext ctx, Stack<Expr> stack, TimestampLiteral expr)
TajoDataTypes.DataType	visitUnaryOperator(LogicalPlanner.PlanContext ctx, Stack<Expr> stack, UnaryOperator expr)
TajoDataTypes.DataType	visitWindowFunction(LogicalPlanner.PlanContext ctx, Stack<Expr> stack, WindowFunctionExpr windowFunc)

Methods inherited from class org.apache.tajo.plan.visitor.SimpleAlgebraVisitor

visit, visitAlterTable, visitCreateTable, visitDropTable, visitFilter, visitGroupBy, visitHaving, visitInsert, visitJoin, visitLimit, visitProjection, visitRelationList, visitSort, visitTableSubQuery, visitValueListExpr

Methods inherited from class org.apache.tajo.plan.algebra.BaseAlgebraVisitor

postHook, preHook, visitAlterTablespace, visitAnd, visitCastExpr, visitConcatenate, visitCreateDatabase, visitDivide, visitDropDatabase, visitEquals, visitExcept, visitExistsPredicate, visitExplain, visitGreaterThan, visitGreaterThanOrEquals, visitInPredicate, visitIntersect, visitIsNullPredicate, visitLessThan, visitLessThanOrEquals, visitLikePredicate, visitMinus, visitModular, visitMultiply, visitNot, visitNotEquals, visitOr, visitPlus, visitQualifiedAsterisk, visitRegexpPredicate, visitRelation, visitScalarSubQuery, visitSetSession, visitSign, visitSimilarToPredicate, visitSimpleTableSubQuery, visitTargetExpr, visitTruncateTable, visitUnion

Methods inherited from class java.lang.Object

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

Constructor Detail

TypeDeterminant

public TypeDeterminant(CatalogService catalog)

Method Detail

determineDataType

public TajoDataTypes.DataType determineDataType(LogicalPlanner.PlanContext ctx,
                                       Expr expr)
                                         throws PlanningException

Throws:

PlanningException

visitUnaryOperator

public TajoDataTypes.DataType visitUnaryOperator(LogicalPlanner.PlanContext ctx,
                                        Stack<Expr> stack,
                                        UnaryOperator expr)
                                          throws PlanningException

Overrides:

visitUnaryOperator in class SimpleAlgebraVisitor<LogicalPlanner.PlanContext,TajoDataTypes.DataType>

Throws:

PlanningException

visitBinaryOperator

public TajoDataTypes.DataType visitBinaryOperator(LogicalPlanner.PlanContext ctx,
                                         Stack<Expr> stack,
                                         BinaryOperator expr)
                                           throws PlanningException

Overrides:

visitBinaryOperator in class SimpleAlgebraVisitor<LogicalPlanner.PlanContext,TajoDataTypes.DataType>

Throws:

PlanningException

computeBinaryType

public TajoDataTypes.DataType computeBinaryType(OpType type,
                                       TajoDataTypes.DataType lhsDataType,
                                       TajoDataTypes.DataType rhsDataType)
                                         throws PlanningException

Throws:

PlanningException

visitBetween

public TajoDataTypes.DataType visitBetween(LogicalPlanner.PlanContext ctx,
                                  Stack<Expr> stack,
                                  BetweenPredicate expr)
                                    throws PlanningException

Specified by:

visitBetween in interface AlgebraVisitor<LogicalPlanner.PlanContext,TajoDataTypes.DataType>

Overrides:

visitBetween in class SimpleAlgebraVisitor<LogicalPlanner.PlanContext,TajoDataTypes.DataType>

Throws:

PlanningException

visitCaseWhen

public TajoDataTypes.DataType visitCaseWhen(LogicalPlanner.PlanContext ctx,
                                   Stack<Expr> stack,
                                   CaseWhenPredicate caseWhen)
                                     throws PlanningException

Specified by:

visitCaseWhen in interface AlgebraVisitor<LogicalPlanner.PlanContext,TajoDataTypes.DataType>

Overrides:

visitCaseWhen in class SimpleAlgebraVisitor<LogicalPlanner.PlanContext,TajoDataTypes.DataType>

Throws:

PlanningException

visitColumnReference

public TajoDataTypes.DataType visitColumnReference(LogicalPlanner.PlanContext ctx,
                                          Stack<Expr> stack,
                                          ColumnReferenceExpr expr)
                                            throws PlanningException

Specified by:

visitColumnReference in interface AlgebraVisitor<LogicalPlanner.PlanContext,TajoDataTypes.DataType>

Overrides:

visitColumnReference in class BaseAlgebraVisitor<LogicalPlanner.PlanContext,TajoDataTypes.DataType>

Throws:

PlanningException

visitFunction

public TajoDataTypes.DataType visitFunction(LogicalPlanner.PlanContext ctx,
                                   Stack<Expr> stack,
                                   FunctionExpr expr)
                                     throws PlanningException

Specified by:

visitFunction in interface AlgebraVisitor<LogicalPlanner.PlanContext,TajoDataTypes.DataType>

Overrides:

visitFunction in class SimpleAlgebraVisitor<LogicalPlanner.PlanContext,TajoDataTypes.DataType>

Throws:

PlanningException

visitCountRowsFunction

public TajoDataTypes.DataType visitCountRowsFunction(LogicalPlanner.PlanContext ctx,
                                            Stack<Expr> stack,
                                            CountRowsFunctionExpr expr)
                                              throws PlanningException

Specified by:

visitCountRowsFunction in interface AlgebraVisitor<LogicalPlanner.PlanContext,TajoDataTypes.DataType>

Overrides:

visitCountRowsFunction in class SimpleAlgebraVisitor<LogicalPlanner.PlanContext,TajoDataTypes.DataType>

Throws:

PlanningException

visitGeneralSetFunction

public TajoDataTypes.DataType visitGeneralSetFunction(LogicalPlanner.PlanContext ctx,
                                             Stack<Expr> stack,
                                             GeneralSetFunctionExpr setFunction)
                                               throws PlanningException

Specified by:

visitGeneralSetFunction in interface AlgebraVisitor<LogicalPlanner.PlanContext,TajoDataTypes.DataType>

Overrides:

visitGeneralSetFunction in class SimpleAlgebraVisitor<LogicalPlanner.PlanContext,TajoDataTypes.DataType>

Throws:

PlanningException

visitWindowFunction

public TajoDataTypes.DataType visitWindowFunction(LogicalPlanner.PlanContext ctx,
                                         Stack<Expr> stack,
                                         WindowFunctionExpr windowFunc)
                                           throws PlanningException

Specified by:

visitWindowFunction in interface AlgebraVisitor<LogicalPlanner.PlanContext,TajoDataTypes.DataType>

Overrides:

visitWindowFunction in class SimpleAlgebraVisitor<LogicalPlanner.PlanContext,TajoDataTypes.DataType>

Throws:

PlanningException

visitDataType

public TajoDataTypes.DataType visitDataType(LogicalPlanner.PlanContext ctx,
                                   Stack<Expr> stack,
                                   DataTypeExpr expr)
                                     throws PlanningException

Specified by:

visitDataType in interface AlgebraVisitor<LogicalPlanner.PlanContext,TajoDataTypes.DataType>

Overrides:

visitDataType in class SimpleAlgebraVisitor<LogicalPlanner.PlanContext,TajoDataTypes.DataType>

Throws:

PlanningException

visitLiteral

public TajoDataTypes.DataType visitLiteral(LogicalPlanner.PlanContext ctx,
                                  Stack<Expr> stack,
                                  LiteralValue expr)
                                    throws PlanningException

Specified by:

visitLiteral in interface AlgebraVisitor<LogicalPlanner.PlanContext,TajoDataTypes.DataType>

Overrides:

visitLiteral in class SimpleAlgebraVisitor<LogicalPlanner.PlanContext,TajoDataTypes.DataType>

Throws:

PlanningException

visitNullLiteral

public TajoDataTypes.DataType visitNullLiteral(LogicalPlanner.PlanContext ctx,
                                      Stack<Expr> stack,
                                      NullLiteral expr)
                                        throws PlanningException

Specified by:

visitNullLiteral in interface AlgebraVisitor<LogicalPlanner.PlanContext,TajoDataTypes.DataType>

Overrides:

visitNullLiteral in class SimpleAlgebraVisitor<LogicalPlanner.PlanContext,TajoDataTypes.DataType>

Throws:

PlanningException

visitTimestampLiteral

public TajoDataTypes.DataType visitTimestampLiteral(LogicalPlanner.PlanContext ctx,
                                           Stack<Expr> stack,
                                           TimestampLiteral expr)
                                             throws PlanningException

Specified by:

visitTimestampLiteral in interface AlgebraVisitor<LogicalPlanner.PlanContext,TajoDataTypes.DataType>

Overrides:

visitTimestampLiteral in class SimpleAlgebraVisitor<LogicalPlanner.PlanContext,TajoDataTypes.DataType>

Throws:

PlanningException

visitTimeLiteral

public TajoDataTypes.DataType visitTimeLiteral(LogicalPlanner.PlanContext ctx,
                                      Stack<Expr> stack,
                                      TimeLiteral expr)
                                        throws PlanningException

Specified by:

visitTimeLiteral in interface AlgebraVisitor<LogicalPlanner.PlanContext,TajoDataTypes.DataType>

Overrides:

visitTimeLiteral in class SimpleAlgebraVisitor<LogicalPlanner.PlanContext,TajoDataTypes.DataType>

Throws:

PlanningException

visitDateLiteral

public TajoDataTypes.DataType visitDateLiteral(LogicalPlanner.PlanContext ctx,
                                      Stack<Expr> stack,
                                      DateLiteral expr)
                                        throws PlanningException

Specified by:

visitDateLiteral in interface AlgebraVisitor<LogicalPlanner.PlanContext,TajoDataTypes.DataType>

Overrides:

visitDateLiteral in class BaseAlgebraVisitor<LogicalPlanner.PlanContext,TajoDataTypes.DataType>

Throws:

PlanningException

visitIntervalLiteral

public TajoDataTypes.DataType visitIntervalLiteral(LogicalPlanner.PlanContext ctx,
                                          Stack<Expr> stack,
                                          IntervalLiteral expr)
                                            throws PlanningException

Specified by:

visitIntervalLiteral in interface AlgebraVisitor<LogicalPlanner.PlanContext,TajoDataTypes.DataType>

Overrides:

visitIntervalLiteral in class BaseAlgebraVisitor<LogicalPlanner.PlanContext,TajoDataTypes.DataType>

Throws:

PlanningException