Uses of Class
org.apache.calcite.rel.RelFieldCollation

Packages that use RelFieldCollation

Package	Description
org.apache.calcite.adapter.enumerable	Query optimizer rules for Java calling convention.
org.apache.calcite.adapter.jdbc	Query provider based on a JDBC data source.
org.apache.calcite.rel	Defines relational expressions.
org.apache.calcite.rel.externalize	Facilities to externalize RelNodes to and from XML and JSON format.
org.apache.calcite.rex	Provides a language for representing row-expressions.
org.apache.calcite.sql2rel	Translates a SQL parse tree to relational expression.

Uses of RelFieldCollation in org.apache.calcite.adapter.enumerable

Method parameters in org.apache.calcite.adapter.enumerable with type arguments of type RelFieldCollation

Modifier and Type	Method and Description
Pair<Expression,Expression>	PhysTypeImpl.generateCollationKey(List<RelFieldCollation> collations)
Pair<Expression,Expression>	PhysType.generateCollationKey(List<RelFieldCollation> collations) Returns a lambda to create a collation key and a comparator.

Uses of RelFieldCollation in org.apache.calcite.adapter.jdbc

Methods in org.apache.calcite.adapter.jdbc with parameters of type RelFieldCollation

Modifier and Type	Method and Description
SqlNode	JdbcImplementor.Context.toSql(RelFieldCollation collation) Converts a collation to an ORDER BY item.

Uses of RelFieldCollation in org.apache.calcite.rel

Methods in org.apache.calcite.rel that return RelFieldCollation

Modifier and Type	Method and Description
RelFieldCollation	RelFieldCollation.copy(int target) Creates a copy of this RelFieldCollation against a different field.
RelFieldCollation	RelFieldCollation.shift(int offset) Returns a copy of this RelFieldCollation with the field index shifted offset to the right.

Methods in org.apache.calcite.rel that return types with arguments of type RelFieldCollation

Modifier and Type	Method and Description
List<RelFieldCollation>	RelCollationImpl.getFieldCollations()
List<RelFieldCollation>	RelCollation.getFieldCollations() Returns the ordinals and directions of the columns in this ordering.

Methods in org.apache.calcite.rel with parameters of type RelFieldCollation

Modifier and Type	Method and Description
static RelCollation	RelCollationImpl.of(RelFieldCollation... fieldCollations) Deprecated.
static RelCollation	RelCollations.of(RelFieldCollation... fieldCollations)

Method parameters in org.apache.calcite.rel with type arguments of type RelFieldCollation

Modifier and Type	Method and Description
static RelCollation	RelCollationImpl.of(List<RelFieldCollation> fieldCollations) Deprecated.
static RelCollation	RelCollations.of(List<RelFieldCollation> fieldCollations)

Constructor parameters in org.apache.calcite.rel with type arguments of type RelFieldCollation

Constructor and Description
RelCollationImpl(com.google.common.collect.ImmutableList<RelFieldCollation> fieldCollations)

Uses of RelFieldCollation in org.apache.calcite.rel.externalize

Methods in org.apache.calcite.rel.externalize that return RelFieldCollation

Modifier and Type	Method and Description
RelFieldCollation	RelJson.toFieldCollation(Map<String,Object> map)

Uses of RelFieldCollation in org.apache.calcite.rex

Methods in org.apache.calcite.rex that return RelFieldCollation

Modifier and Type	Method and Description
static RelFieldCollation	RexUtil.apply(Mappings.TargetMapping mapping, RelFieldCollation fieldCollation) Applies a mapping to a field collation.

Methods in org.apache.calcite.rex that return types with arguments of type RelFieldCollation

Modifier and Type	Method and Description
static List<RelFieldCollation>	RexUtil.applyFields(Mappings.TargetMapping mapping, List<RelFieldCollation> fieldCollations) Applies a mapping to a list of field collations.

Methods in org.apache.calcite.rex with parameters of type RelFieldCollation

Modifier and Type	Method and Description
static RelFieldCollation	RexUtil.apply(Mappings.TargetMapping mapping, RelFieldCollation fieldCollation) Applies a mapping to a field collation.

Method parameters in org.apache.calcite.rex with type arguments of type RelFieldCollation

Modifier and Type	Method and Description
static List<RelFieldCollation>	RexUtil.applyFields(Mappings.TargetMapping mapping, List<RelFieldCollation> fieldCollations) Applies a mapping to a list of field collations.

Uses of RelFieldCollation in org.apache.calcite.sql2rel

Methods in org.apache.calcite.sql2rel that return RelFieldCollation

Modifier and Type	Method and Description
protected RelFieldCollation	SqlToRelConverter.convertOrderItem(SqlSelect select, SqlNode orderItem, List<SqlNode> extraExprs, RelFieldCollation.Direction direction, RelFieldCollation.NullDirection nullDirection)

Method parameters in org.apache.calcite.sql2rel with type arguments of type RelFieldCollation

Modifier and Type	Method and Description
protected void	SqlToRelConverter.gatherOrderExprs(SqlToRelConverter.Blackboard bb, SqlSelect select, SqlNodeList orderList, List<SqlNode> extraOrderExprs, List<RelFieldCollation> collationList) Creates a list of collations required to implement the ORDER BY clause, if there is one.