Package com.sap.cds.util

Class CqnStatementUtils

java.lang.Object

com.sap.cds.util.CqnStatementUtils

public class CqnStatementUtils
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static interface	CqnStatementUtils.Count
static interface	CqnStatementUtils.LogicalOpertionsSimplifier
static interface	CqnStatementUtils.NegationResolver

Field Summary

Fields

Modifier and Type	Field	Description
static final String	$JSON

Method Summary

Modifier and Type	Method	Description
static <S extends CqnStatement> S	anonymizeStatement(S statement)
static CqnSelect	batchSelect(CqnSelect select, List<Map<String,Object>> valueSets)
static boolean	containsExpand(CqnSelect select)
static boolean	containsPathExpression(Optional<CqnPredicate> pred)
static boolean	containsRef(List<CqnSelectListItem> items)
static <S extends CqnStatement> S	copyShallow(S statement)
static Select<?>	countAll(CqnStatement statement)
static CqnSelect	countAllQuery(CqnUpdate update)
static CqnPredicate	extractTargetFilter(CdsStructuredType rowType, CqnUpdate update, boolean useParameters)
static boolean	filterIsFalse(CqnFilterableStatement filterable)
static boolean	filterIsFalse(CqnSelect select)
static Optional<CdsBaseType>	getCdsType(CdsStructuredType rowType, CqnValue value)
static boolean	hasInfixFilter(CqnReference ref)
static CqnSelect	inlineCountQuery(CqnSelect select)
static boolean	isMediaType(CdsStructuredType type, CqnSelectListItem sli)
static boolean	isOneToManyPath(CdsStructuredType rowType, List<? extends CqnReference.Segment> segments)
static boolean	isSelectStar(List<CqnSelectListItem> columns)
static boolean	isToOnePath(CdsStructuredType rowType, List<? extends CqnReference.Segment> segments)
static CqnPredicate	linkKeysToOuterQuery(CdsStructuredType target)
static void	moveKeyValuesToWhere(CdsStructuredType rowType, CqnUpdate update, boolean useParameters)
static void	removeVirtualElements(Select<?> select, CdsStructuredType rowType)
static Select<?>	resolveExpands(Select<?> select, CdsStructuredType target, boolean assocsInStar)
static void	resolveKeyPlaceholder(CdsStructuredType rowType, FilterableStatement<?,?> statement)
static <S extends CqnStatement, T extends S> T	resolveKeyPlaceholder(CdsStructuredType rowType, S statement)
static CqnSelect	resolveStar(CqnSelect select, CdsStructuredType rowType)
static CqnSelect	resolveStar(CqnSelect select, CdsStructuredType rowType, boolean includeAssocs)
static void	resolveStar(Select<?> select, CdsStructuredType rowType, boolean includeAssocs)
static List<CqnSelectListItem>	resolveStar(List<CqnSelectListItem> items, Collection<String> excluding, CdsStructuredType rowType, boolean includeAssocs)
static void	resolveStructureComparison(CdsStructuredType rowType, FilterableStatement<?,?> statement)
static <S extends CqnStatement> S	resolveStructureComparison(CdsStructuredType rowType, S statement)
static void	resolveVirtualElements(Select<?> select, CdsStructuredType root)
static CdsStructuredType	rowType(CdsModel model, CqnSelect query)
static CdsStructuredType	rowType(CdsModel model, CqnSource source)
static Stream<CqnSelectListValue>	selectedRefs(CqnSelect select)
static void	selectHidden(Collection<String> elements, CqnSelect select)
static void	simplify(CdsStructuredType rowType, Select<?> select)
static Predicate	simplifyPredicate(CqnPredicate pred)
static CqnStructuredTypeRef	targetRef(CqnSelect select)
static StructuredType<?>	targetRef(CqnUpdate update)
static CdsStructuredType	targetType(CdsModel model, CqnSelect select)
static Stream<CqnExpand>	toManyExpands(CdsStructuredType type, List<? extends CqnSelectListItem> items)
static void	unfoldInline(Select<?> select, CdsStructuredType root)

Methods inherited from class java.lang.Object

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

Field Details

$JSON

public static final String $JSON

See Also:

• Constant Field Values

Method Details

containsExpand

public static boolean containsExpand(CqnSelect select)

selectedRefs

public static Stream<CqnSelectListValue> selectedRefs(CqnSelect select)

selectHidden

public static void selectHidden(Collection<String> elements,
 CqnSelect select)

containsRef

public static boolean containsRef(List<CqnSelectListItem> items)

extractTargetFilter

public static CqnPredicate extractTargetFilter(CdsStructuredType rowType,
 CqnUpdate update,
 boolean useParameters)

resolveStructureComparison

public static void resolveStructureComparison(CdsStructuredType rowType,
 FilterableStatement<?,?> statement)

resolveStructureComparison

public static <S extends CqnStatement> S resolveStructureComparison(CdsStructuredType rowType,
 S statement)

resolveKeyPlaceholder

public static <S extends CqnStatement,
T extends S>
T resolveKeyPlaceholder(CdsStructuredType rowType,
 S statement)

resolveKeyPlaceholder

public static void resolveKeyPlaceholder(CdsStructuredType rowType,
 FilterableStatement<?,?> statement)

moveKeyValuesToWhere

public static void moveKeyValuesToWhere(CdsStructuredType rowType,
 CqnUpdate update,
 boolean useParameters)

countAllQuery

public static CqnSelect countAllQuery(CqnUpdate update)

inlineCountQuery

public static CqnSelect inlineCountQuery(CqnSelect select)

countAll

public static Select<?> countAll(CqnStatement statement)

simplifyPredicate

public static Predicate simplifyPredicate(CqnPredicate pred)

resolveStar

public static List<CqnSelectListItem> resolveStar(List<CqnSelectListItem> items,
 Collection<String> excluding,
 CdsStructuredType rowType,
 boolean includeAssocs)

resolveStar

public static CqnSelect resolveStar(CqnSelect select,
 CdsStructuredType rowType)

resolveStar

public static CqnSelect resolveStar(CqnSelect select,
 CdsStructuredType rowType,
 boolean includeAssocs)

resolveStar

public static void resolveStar(Select<?> select,
 CdsStructuredType rowType,
 boolean includeAssocs)

isSelectStar

public static boolean isSelectStar(List<CqnSelectListItem> columns)

targetType

public static CdsStructuredType targetType(CdsModel model,
 CqnSelect select)

rowType

public static CdsStructuredType rowType(CdsModel model,
 CqnSource source)

rowType

public static CdsStructuredType rowType(CdsModel model,
 CqnSelect query)

resolveVirtualElements

public static void resolveVirtualElements(Select<?> select,
 CdsStructuredType root)

unfoldInline

public static void unfoldInline(Select<?> select,
 CdsStructuredType root)

simplify

public static void simplify(CdsStructuredType rowType,
 Select<?> select)

resolveExpands

public static Select<?> resolveExpands(Select<?> select,
 CdsStructuredType target,
 boolean assocsInStar)

isToOnePath

public static boolean isToOnePath(CdsStructuredType rowType,
 List<? extends CqnReference.Segment> segments)

isOneToManyPath

public static boolean isOneToManyPath(CdsStructuredType rowType,
 List<? extends CqnReference.Segment> segments)

isMediaType

public static boolean isMediaType(CdsStructuredType type,
 CqnSelectListItem sli)

linkKeysToOuterQuery

public static CqnPredicate linkKeysToOuterQuery(CdsStructuredType target)

removeVirtualElements

public static void removeVirtualElements(Select<?> select,
 CdsStructuredType rowType)

toManyExpands

public static Stream<CqnExpand> toManyExpands(CdsStructuredType type,
 List<? extends CqnSelectListItem> items)

targetRef

public static CqnStructuredTypeRef targetRef(CqnSelect select)

targetRef

public static StructuredType<?> targetRef(CqnUpdate update)

containsPathExpression

public static boolean containsPathExpression(Optional<CqnPredicate> pred)

hasInfixFilter

public static boolean hasInfixFilter(CqnReference ref)

anonymizeStatement

public static <S extends CqnStatement> S anonymizeStatement(S statement)

batchSelect

public static CqnSelect batchSelect(CqnSelect select,
 List<Map<String,Object>> valueSets)

getCdsType

public static Optional<CdsBaseType> getCdsType(CdsStructuredType rowType,
 CqnValue value)

copyShallow

public static <S extends CqnStatement> S copyShallow(S statement)

filterIsFalse

public static boolean filterIsFalse(CqnSelect select)

filterIsFalse

public static boolean filterIsFalse(CqnFilterableStatement filterable)