Inheritance diagram for org.apache.calcite.sql.validate.SqlValidatorImpl.PatternValidator:

Collaboration diagram for org.apache.calcite.sql.validate.SqlValidatorImpl.PatternValidator:

Public Member Functions
Set< String >	visit (SqlCall call)

Set< String >	visit (SqlIdentifier identifier)

Set< String >	visit (SqlLiteral literal)

Set< String >	visit (SqlIntervalQualifier qualifier)

Set< String >	visit (SqlDataTypeSpec type)

Set< String >	visit (SqlDynamicParam param)

Package Functions
	PatternValidator (boolean isMeasure)

	PatternValidator (boolean isMeasure, int firstLastCount, int prevNextCount, int aggregateCount)

Package Attributes
int	firstLastCount

int	prevNextCount

int	aggregateCount

Private Attributes
final boolean	isMeasure

Detailed Description

Validates that within one navigation function, the pattern var is the same.

Definition at line 6452 of file SqlValidatorImpl.java.

Constructor & Destructor Documentation

org.apache.calcite.sql.validate.SqlValidatorImpl.PatternValidator.PatternValidator ( boolean isMeasure )

inlinepackage

Definition at line 6458 of file SqlValidatorImpl.java.

References org.apache.calcite.sql.validate.SqlValidatorImpl.PatternValidator.isMeasure.

Referenced by org.apache.calcite.sql.validate.SqlValidatorImpl.PatternValidator.visit().

                                         {
       this(isMeasure, 0, 0, 0);
     }

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org.apache.calcite.sql.validate.SqlValidatorImpl.PatternValidator.PatternValidator	(	boolean	isMeasure,
		int	firstLastCount,
		int	prevNextCount,
		int	aggregateCount
	)

inlinepackage

Definition at line 6462 of file SqlValidatorImpl.java.

References org.apache.calcite.sql.validate.SqlValidatorImpl.PatternValidator.aggregateCount, org.apache.calcite.sql.validate.SqlValidatorImpl.PatternValidator.firstLastCount, org.apache.calcite.sql.validate.SqlValidatorImpl.PatternValidator.isMeasure, and org.apache.calcite.sql.validate.SqlValidatorImpl.PatternValidator.prevNextCount.

                             {
       this.isMeasure = isMeasure;
       this.firstLastCount = firstLastCount;
       this.prevNextCount = prevNextCount;
       this.aggregateCount = aggregateCount;
     }

Member Function Documentation

Set<String> org.apache.calcite.sql.validate.SqlValidatorImpl.PatternValidator.visit ( SqlCall call )

inline

Definition at line 6470 of file SqlValidatorImpl.java.

                                                      {
       boolean isSingle = false;
       Set<String> vars = new HashSet<>();
       SqlKind kind = call.getKind();
       List<SqlNode> operands = call.getOperandList();
 
       if (isSingleVarRequired(kind)) {
         isSingle = true;
         if (isPhysicalNavigation(kind)) {
           if (isMeasure) {
             throw newValidationError(call,
                 Static.RESOURCE.patternPrevFunctionInMeasure(call.toString()));
           }
           if (firstLastCount != 0) {
             throw newValidationError(call,
                 Static.RESOURCE.patternPrevFunctionOrder(call.toString()));
           }
           prevNextCount++;
         } else if (isLogicalNavigation(kind)) {
           if (firstLastCount != 0) {
             throw newValidationError(call,
                 Static.RESOURCE.patternPrevFunctionOrder(call.toString()));
           }
           firstLastCount++;
         } else if (isAggregation(kind)) {
           // cannot apply aggregation in PREV/NEXT, FIRST/LAST
           if (firstLastCount != 0 || prevNextCount != 0) {
             throw newValidationError(call,
                 Static.RESOURCE.patternAggregationInNavigation(call.toString()));
           }
           if (kind == SqlKind.COUNT && call.getOperandList().size() > 1) {
             throw newValidationError(call,
                 Static.RESOURCE.patternCountFunctionArg());
           }
           aggregateCount++;
         }
       }
 
       if (isRunningOrFinal(kind) && !isMeasure) {
         throw newValidationError(call,
             Static.RESOURCE.patternRunningFunctionInDefine(call.toString()));
       }
 
       for (SqlNode node : operands) {
         if (node != null) {
           vars.addAll(
               node.accept(
                   new PatternValidator(isMeasure, firstLastCount, prevNextCount,
                       aggregateCount)));
         }
       }
 
       if (isSingle) {
         switch (kind) {
         case COUNT:
           if (vars.size() > 1) {
             throw newValidationError(call,
                 Static.RESOURCE.patternCountFunctionArg());
           }
           break;
         default:
           if (operands.size() == 0
               || !(operands.get(0) instanceof SqlCall)
               || ((SqlCall) operands.get(0)).getOperator() != SqlStdOperatorTable.CLASSIFIER) {
             if (vars.isEmpty()) {
               throw newValidationError(call,
                   Static.RESOURCE.patternFunctionNullCheck(call.toString()));
             }
             if (vars.size() != 1) {
               throw newValidationError(call,
                   Static.RESOURCE.patternFunctionVariableCheck(call.toString()));
             }
           }
           break;
         }
       }
       return vars;
     }

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Set<String> org.apache.calcite.sql.validate.SqlValidatorImpl.PatternValidator.visit ( SqlIdentifier identifier )

inline

Definition at line 6549 of file SqlValidatorImpl.java.

References org.apache.calcite.sql.validate.SqlValidatorImpl.PatternValidator.aggregateCount, org.apache.calcite.sql.validate.SqlValidatorImpl.PatternValidator.firstLastCount, and org.apache.calcite.sql.validate.SqlValidatorImpl.PatternValidator.prevNextCount.

                                                                  {
       boolean check = prevNextCount > 0 || firstLastCount > 0 || aggregateCount > 0;
       Set<String> vars = new HashSet<>();
       if (identifier.names.size() > 1 && check) {
         vars.add(identifier.names.get(0));
       }
       return vars;
     }

Set<String> org.apache.calcite.sql.validate.SqlValidatorImpl.PatternValidator.visit ( SqlLiteral literal )

inline

Definition at line 6558 of file SqlValidatorImpl.java.

                                                            {
       return ImmutableSet.of();
     }

Set<String> org.apache.calcite.sql.validate.SqlValidatorImpl.PatternValidator.visit ( SqlIntervalQualifier qualifier )

inline

Definition at line 6562 of file SqlValidatorImpl.java.

                                                                        {
       return ImmutableSet.of();
     }

Set<String> org.apache.calcite.sql.validate.SqlValidatorImpl.PatternValidator.visit ( SqlDataTypeSpec type )

inline

Definition at line 6566 of file SqlValidatorImpl.java.

                                                              {
       return ImmutableSet.of();
     }

Set<String> org.apache.calcite.sql.validate.SqlValidatorImpl.PatternValidator.visit ( SqlDynamicParam param )

inline

Definition at line 6570 of file SqlValidatorImpl.java.

                                                               {
       return ImmutableSet.of();
     }

Member Data Documentation

int org.apache.calcite.sql.validate.SqlValidatorImpl.PatternValidator.aggregateCount

package

Definition at line 6456 of file SqlValidatorImpl.java.

Referenced by org.apache.calcite.sql.validate.SqlValidatorImpl.PatternValidator.PatternValidator(), and org.apache.calcite.sql.validate.SqlValidatorImpl.PatternValidator.visit().

int org.apache.calcite.sql.validate.SqlValidatorImpl.PatternValidator.firstLastCount

package

Definition at line 6454 of file SqlValidatorImpl.java.

Referenced by org.apache.calcite.sql.validate.SqlValidatorImpl.PatternValidator.PatternValidator(), and org.apache.calcite.sql.validate.SqlValidatorImpl.PatternValidator.visit().

final boolean org.apache.calcite.sql.validate.SqlValidatorImpl.PatternValidator.isMeasure

private

Definition at line 6453 of file SqlValidatorImpl.java.

Referenced by org.apache.calcite.sql.validate.SqlValidatorImpl.PatternValidator.PatternValidator(), and org.apache.calcite.sql.validate.SqlValidatorImpl.PatternValidator.visit().

int org.apache.calcite.sql.validate.SqlValidatorImpl.PatternValidator.prevNextCount

package

Definition at line 6455 of file SqlValidatorImpl.java.

Referenced by org.apache.calcite.sql.validate.SqlValidatorImpl.PatternValidator.PatternValidator(), and org.apache.calcite.sql.validate.SqlValidatorImpl.PatternValidator.visit().

The documentation for this class was generated from the following file:

/home/jenkins-slave/workspace/core-os-doxygen/java/calcite/src/main/java/org/apache/calcite/sql/validate/SqlValidatorImpl.java

Public Member Functions

Package Functions

Package Attributes

Private Attributes

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation