org.apache.calcite.sql.validate.SqlValidatorImpl.PatternValidator Class Reference

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.

References org.apache.calcite.sql.validate.SqlValidatorImpl.PatternValidator.aggregateCount, COUNT, org.apache.calcite.sql.validate.SqlValidatorImpl.PatternValidator.firstLastCount, org.apache.calcite.sql.validate.SqlValidatorImpl.isAggregation(), org.apache.calcite.sql.validate.SqlValidatorImpl.isLogicalNavigation(), org.apache.calcite.sql.validate.SqlValidatorImpl.PatternValidator.isMeasure, org.apache.calcite.sql.validate.SqlValidatorImpl.isPhysicalNavigation(), org.apache.calcite.sql.validate.SqlValidatorImpl.isRunningOrFinal(), org.apache.calcite.sql.validate.SqlValidatorImpl.isSingleVarRequired(), org.apache.calcite.sql.validate.SqlValidatorImpl.newValidationError(), org.apache.calcite.sql.validate.SqlValidatorImpl.PatternValidator.PatternValidator(), and org.apache.calcite.sql.validate.SqlValidatorImpl.PatternValidator.prevNextCount.

                                                     {
      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().

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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/org/apache/calcite/sql/validate/SqlValidatorImpl.java