Uses of Class
org.apache.calcite.sql.SqlFunction

Packages that use SqlFunction

Package	Description
org.apache.calcite.rel.metadata	Defines metadata interfaces and utilities for relational expressions.
org.apache.calcite.sql	Provides a SQL parser and object model.
org.apache.calcite.sql.fun	Defines the set of standard SQL row-level functions and operators.
org.apache.calcite.sql.util	Utility classes for the SQL object model, parsing, and validation.
org.apache.calcite.sql.validate	SQL validation.
org.apache.calcite.sql2rel	Translates a SQL parse tree to relational expression.

Uses of SqlFunction in org.apache.calcite.rel.metadata

Fields in org.apache.calcite.rel.metadata declared as SqlFunction

Modifier and Type	Field and Description
static SqlFunction	RelMdUtil.ARTIFICIAL_SELECTIVITY_FUNC

Uses of SqlFunction in org.apache.calcite.sql

Subclasses of SqlFunction in org.apache.calcite.sql

Modifier and Type	Class and Description
class	SqlAggFunction Abstract base class for the definition of an aggregate function: an operator which aggregates sets of values into a result.
class	SqlJdbcFunctionCall A SqlJdbcFunctionCall is a node of a parse tree which represents a JDBC function call.
class	SqlRankFunction Operator which aggregates sets of values into a result.
class	SqlUnresolvedFunction Placeholder for an unresolved function.

Methods in org.apache.calcite.sql that return SqlFunction

Modifier and Type	Method and Description
static SqlFunction	SqlUtil.lookupRoutine(SqlOperatorTable opTab, SqlIdentifier funcName, List<RelDataType> argTypes, SqlFunctionCategory category) Looks up a (possibly overloaded) routine based on name and argument types.

Methods in org.apache.calcite.sql that return types with arguments of type SqlFunction

Modifier and Type	Method and Description
static List<SqlFunction>	SqlUtil.lookupSubjectRoutines(SqlOperatorTable opTab, SqlIdentifier funcName, List<RelDataType> argTypes, SqlFunctionCategory category) Looks up all subject routines matching the given name and argument types.

Uses of SqlFunction in org.apache.calcite.sql.fun

Subclasses of SqlFunction in org.apache.calcite.sql.fun

Modifier and Type	Class and Description
class	SqlAbstractGroupFunction Base class for grouping functions GROUP_ID, GROUPING_ID, GROUPING.
class	SqlAbstractTimeFunction Base class for time functions such as "LOCALTIME", "LOCALTIME(n)".
class	SqlAvgAggFunction Avg is an aggregator which returns the average of the values which go into it.
class	SqlCastFunction SqlCastFunction.
class	SqlCoalesceFunction The COALESCE function.
class	SqlConvertFunction Common base for the CONVERT and TRANSLATE functions.
class	SqlCountAggFunction Definition of the SQL COUNT aggregation function.
class	SqlCovarAggFunction Covar is an aggregator which returns the Covariance of the values which go into it.
class	SqlCurrentDateFunction The CURRENT_DATE function.
class	SqlExtractFunction The SQL EXTRACT operator.
class	SqlFirstLastValueAggFunction FIRST_VALUE and LAST_VALUE aggregate functions return the first or the last value in a list of values that are input to the function.
class	SqlFloorFunction Definition of the "FLOOR" and "CEIL" built-in SQL functions.
class	SqlHistogramAggFunction HistogramAgg is base operator which supports the Histogram MIN/MAX aggregatoin functions.
class	SqlLeadLagAggFunction LEAD and LAG aggregate functions return the value of given expression evaluated at given offset.
class	SqlMinMaxAggFunction Definition of the MIN and MAX aggregate functions, returning the returns the smallest/largest of the values which go into it.
class	SqlMonotonicUnaryFunction Base class for unary operators such as FLOOR/CEIL which are monotonic for monotonic inputs.
class	SqlNtileAggFunction NTILE aggregate function return the value of given expression evaluated at given offset.
class	SqlNullifFunction The NULLIF function.
class	SqlOverlayFunction The OVERLAY function.
class	SqlPositionFunction The POSITION function.
class	SqlQuarterFunction SqlQuarterFunction represents the SQL:1999 standard QUARTER function.
class	SqlSingleValueAggFunction SINGLE_VALUE aggregate function returns the input value if there is only one value in the input; Otherwise it triggers a run-time error.
class	SqlStringContextVariable Base class for functions such as "USER", "CURRENT_ROLE", and "CURRENT_PATH".
class	SqlSubstringFunction Definition of the "SUBSTRING" builtin SQL function.
class	SqlSumAggFunction Sum is an aggregator which returns the sum of the values which go into it.
class	SqlSumEmptyIsZeroAggFunction Sum0 is an aggregator which returns the sum of the values which go into it like Sum.
class	SqlTrimFunction Definition of the "TRIM" builtin SQL function.

Fields in org.apache.calcite.sql.fun declared as SqlFunction

Modifier and Type	Field and Description
static SqlFunction	SqlStdOperatorTable.ABS
static SqlFunction	SqlStdOperatorTable.CARDINALITY The CARDINALITY operator, used to retrieve the number of elements in a MULTISET, ARRAY or MAP.
static SqlFunction	SqlStdOperatorTable.CAST The SQL CAST operator.
static SqlFunction	SqlStdOperatorTable.CEIL The CEIL function.
static SqlFunction	SqlStdOperatorTable.CHAR_LENGTH
static SqlFunction	SqlStdOperatorTable.CHARACTER_LENGTH
static SqlFunction	SqlStdOperatorTable.COALESCE The COALESCE builtin function.
static SqlFunction	SqlStdOperatorTable.COLLECT The COLLECT operator.
static SqlFunction	SqlStdOperatorTable.CONVERT
static SqlFunction	SqlStdOperatorTable.CURRENT_CATALOG The CURRENT_CATALOG function.
static SqlFunction	SqlStdOperatorTable.CURRENT_DATE The CURRENT_DATE function.
static SqlFunction	SqlStdOperatorTable.CURRENT_PATH The CURRENT_PATH function.
static SqlFunction	SqlStdOperatorTable.CURRENT_ROLE The CURRENT_ROLE function.
static SqlFunction	SqlStdOperatorTable.CURRENT_SCHEMA The CURRENT_SCHEMA function.
static SqlFunction	SqlStdOperatorTable.CURRENT_TIME The CURRENT_TIME [(precision)] function.
static SqlFunction	SqlStdOperatorTable.CURRENT_TIMESTAMP The CURRENT_TIMESTAMP [(precision)] function.
static SqlFunction	SqlStdOperatorTable.CURRENT_USER The CURRENT_USER function.
static SqlFunction	SqlStdOperatorTable.ELEMENT The ELEMENT operator, used to convert a multiset with only one item to a "regular" type.
static SqlFunction	SqlStdOperatorTable.EXP
static SqlFunction	SqlStdOperatorTable.EXTRACT The SQL EXTRACT operator.
static SqlFunction	SqlStdOperatorTable.FLOOR The FLOOR function.
static SqlFunction	SqlStdOperatorTable.FUSION The FUSION operator.
static SqlFunction	SqlStdOperatorTable.HISTOGRAM_FIRST_VALUE HISTOGRAM_FIRST_VALUE window aggregate function.
static SqlFunction	SqlStdOperatorTable.HISTOGRAM_LAST_VALUE HISTOGRAM_LAST_VALUE window aggregate function.
static SqlFunction	SqlStdOperatorTable.HISTOGRAM_MAX HISTOGRAM_MAX window aggregate function.
static SqlFunction	SqlStdOperatorTable.HISTOGRAM_MIN HISTOGRAM_MIN window aggregate function.
static SqlFunction	SqlStdOperatorTable.IN_FENNEL Use of the IN_FENNEL operator forces the argument to be evaluated in Fennel.
static SqlFunction	SqlStdOperatorTable.INITCAP
static SqlFunction	SqlStdOperatorTable.LN
static SqlFunction	SqlStdOperatorTable.LOCALTIME The LOCALTIME [(precision)] function.
static SqlFunction	SqlStdOperatorTable.LOCALTIMESTAMP The LOCALTIMESTAMP [(precision)] function.
static SqlFunction	SqlStdOperatorTable.LOG10
static SqlFunction	SqlStdOperatorTable.LOWER
static SqlFunction	SqlStdOperatorTable.MOD
static SqlFunction	SqlStdOperatorTable.NULLIF
static SqlFunction	SqlStdOperatorTable.OVERLAY
static SqlFunction	SqlStdOperatorTable.POSITION
static SqlFunction	SqlStdOperatorTable.POWER Uses SqlOperatorTable.useDouble for its return type since we don't know what the result type will be by just looking at the operand types.
static SqlFunction	SqlStdOperatorTable.SESSION_USER The SESSION_USER function.
static SqlFunction	SqlStdOperatorTable.SQRT
static SqlFunction	SqlStdOperatorTable.SUBSTRING The character substring function: SUBSTRING(string FROM start [FOR length]).
static SqlFunction	SqlStdOperatorTable.SYSTEM_USER The SYSTEM_USER function.
static SqlFunction	SqlStdOperatorTable.TRANSLATE
static SqlFunction	SqlStdOperatorTable.TRIM The "TRIM" function.
static SqlFunction	SqlStdOperatorTable.UPPER
static SqlFunction	SqlStdOperatorTable.USER The USER function.

Uses of SqlFunction in org.apache.calcite.sql.util

Methods in org.apache.calcite.sql.util with parameters of type SqlFunction

Modifier and Type	Method and Description
void	ReflectiveSqlOperatorTable.register(SqlFunction function) Registers a function in the table.

Uses of SqlFunction in org.apache.calcite.sql.validate

Subclasses of SqlFunction in org.apache.calcite.sql.validate

Modifier and Type	Class and Description
class	SqlUserDefinedAggFunction User-defined aggregate function.
class	SqlUserDefinedFunction User-defined scalar function.
class	SqlUserDefinedTableFunction User-defined table function.
class	SqlUserDefinedTableMacro User-defined table macro.

Methods in org.apache.calcite.sql.validate with parameters of type SqlFunction

Modifier and Type	Method and Description
RelDataType	SqlValidatorImpl.deriveConstructorType(SqlValidatorScope scope, SqlCall call, SqlFunction unresolvedConstructor, SqlFunction resolvedConstructor, List<RelDataType> argTypes)
RelDataType	SqlValidator.deriveConstructorType(SqlValidatorScope scope, SqlCall call, SqlFunction unresolvedConstructor, SqlFunction resolvedConstructor, List<RelDataType> argTypes) Derives the type of a constructor.
CalciteException	SqlValidatorImpl.handleUnresolvedFunction(SqlCall call, SqlFunction unresolvedFunction, List<RelDataType> argTypes)
CalciteException	SqlValidator.handleUnresolvedFunction(SqlCall call, SqlFunction unresolvedFunction, List<RelDataType> argTypes) Handles a call to a function which cannot be resolved.
void	SqlValidatorImpl.validateColumnListParams(SqlFunction function, List<RelDataType> argTypes, List<SqlNode> operands)
void	SqlValidator.validateColumnListParams(SqlFunction function, List<RelDataType> argTypes, List<SqlNode> operands) Validates a COLUMN_LIST parameter

Uses of SqlFunction in org.apache.calcite.sql2rel

Methods in org.apache.calcite.sql2rel with parameters of type SqlFunction

Modifier and Type	Method and Description
RexNode	StandardConvertletTable.convertFunction(SqlRexContext cx, SqlFunction fun, SqlCall call)
RexNode	DefaultValueFactory.newAttributeInitializer(RelDataType type, SqlFunction constructor, int iAttribute, List<RexNode> constructorArgs) Creates an expression which evaluates to the initializer expression for a particular attribute of a structured type.