/
BuiltInFunctionDefinitions.java
2515 lines (2286 loc) · 126 KB
/
BuiltInFunctionDefinitions.java
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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.flink.table.functions;
import org.apache.flink.annotation.Internal;
import org.apache.flink.annotation.PublicEvolving;
import org.apache.flink.table.api.DataTypes;
import org.apache.flink.table.api.JsonExistsOnError;
import org.apache.flink.table.api.JsonOnNull;
import org.apache.flink.table.api.JsonQueryOnEmptyOrError;
import org.apache.flink.table.api.JsonQueryWrapper;
import org.apache.flink.table.api.JsonType;
import org.apache.flink.table.api.JsonValueOnEmptyOrError;
import org.apache.flink.table.api.TableException;
import org.apache.flink.table.expressions.TimeIntervalUnit;
import org.apache.flink.table.expressions.TimePointUnit;
import org.apache.flink.table.expressions.ValueLiteralExpression;
import org.apache.flink.table.types.inference.ArgumentTypeStrategy;
import org.apache.flink.table.types.inference.ConstantArgumentCount;
import org.apache.flink.table.types.inference.InputTypeStrategies;
import org.apache.flink.table.types.inference.TypeStrategies;
import org.apache.flink.table.types.inference.strategies.ArrayOfStringArgumentTypeStrategy;
import org.apache.flink.table.types.inference.strategies.SpecificInputTypeStrategies;
import org.apache.flink.table.types.inference.strategies.SpecificTypeStrategies;
import org.apache.flink.table.types.logical.LocalZonedTimestampType;
import org.apache.flink.table.types.logical.LogicalType;
import org.apache.flink.table.types.logical.LogicalTypeFamily;
import org.apache.flink.table.types.logical.LogicalTypeRoot;
import org.apache.flink.table.types.logical.StructuredType.StructuredComparison;
import org.apache.flink.table.types.logical.TimestampKind;
import org.apache.flink.table.types.logical.utils.LogicalTypeMerging;
import org.apache.flink.table.types.utils.TypeConversions;
import org.apache.flink.table.utils.EncodingUtils;
import org.apache.flink.util.Preconditions;
import java.lang.reflect.Field;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashSet;
import java.util.List;
import java.util.Optional;
import java.util.Set;
import static org.apache.flink.table.api.DataTypes.BIGINT;
import static org.apache.flink.table.api.DataTypes.BOOLEAN;
import static org.apache.flink.table.api.DataTypes.DATE;
import static org.apache.flink.table.api.DataTypes.INT;
import static org.apache.flink.table.api.DataTypes.STRING;
import static org.apache.flink.table.api.DataTypes.TIME;
import static org.apache.flink.table.api.DataTypes.TIMESTAMP;
import static org.apache.flink.table.api.DataTypes.TIMESTAMP_LTZ;
import static org.apache.flink.table.functions.FunctionKind.AGGREGATE;
import static org.apache.flink.table.functions.FunctionKind.OTHER;
import static org.apache.flink.table.functions.FunctionKind.SCALAR;
import static org.apache.flink.table.functions.FunctionKind.TABLE;
import static org.apache.flink.table.types.inference.InputTypeStrategies.ANY;
import static org.apache.flink.table.types.inference.InputTypeStrategies.COMMON_ARG_NULLABLE;
import static org.apache.flink.table.types.inference.InputTypeStrategies.LITERAL;
import static org.apache.flink.table.types.inference.InputTypeStrategies.NO_ARGS;
import static org.apache.flink.table.types.inference.InputTypeStrategies.OUTPUT_IF_NULL;
import static org.apache.flink.table.types.inference.InputTypeStrategies.TYPE_LITERAL;
import static org.apache.flink.table.types.inference.InputTypeStrategies.and;
import static org.apache.flink.table.types.inference.InputTypeStrategies.arrayFullyComparableElementType;
import static org.apache.flink.table.types.inference.InputTypeStrategies.commonArrayType;
import static org.apache.flink.table.types.inference.InputTypeStrategies.commonMultipleArrayType;
import static org.apache.flink.table.types.inference.InputTypeStrategies.commonType;
import static org.apache.flink.table.types.inference.InputTypeStrategies.comparable;
import static org.apache.flink.table.types.inference.InputTypeStrategies.compositeSequence;
import static org.apache.flink.table.types.inference.InputTypeStrategies.logical;
import static org.apache.flink.table.types.inference.InputTypeStrategies.or;
import static org.apache.flink.table.types.inference.InputTypeStrategies.sequence;
import static org.apache.flink.table.types.inference.InputTypeStrategies.symbol;
import static org.apache.flink.table.types.inference.InputTypeStrategies.varyingSequence;
import static org.apache.flink.table.types.inference.InputTypeStrategies.wildcardWithCount;
import static org.apache.flink.table.types.inference.TypeStrategies.COMMON;
import static org.apache.flink.table.types.inference.TypeStrategies.argument;
import static org.apache.flink.table.types.inference.TypeStrategies.explicit;
import static org.apache.flink.table.types.inference.TypeStrategies.first;
import static org.apache.flink.table.types.inference.TypeStrategies.forceNullable;
import static org.apache.flink.table.types.inference.TypeStrategies.matchFamily;
import static org.apache.flink.table.types.inference.TypeStrategies.nullableIfAllArgs;
import static org.apache.flink.table.types.inference.TypeStrategies.nullableIfArgs;
import static org.apache.flink.table.types.inference.TypeStrategies.varyingString;
import static org.apache.flink.table.types.inference.strategies.SpecificInputTypeStrategies.ARRAY_ELEMENT_ARG;
import static org.apache.flink.table.types.inference.strategies.SpecificInputTypeStrategies.JSON_ARGUMENT;
import static org.apache.flink.table.types.inference.strategies.SpecificInputTypeStrategies.TWO_EQUALS_COMPARABLE;
import static org.apache.flink.table.types.inference.strategies.SpecificInputTypeStrategies.TWO_FULLY_COMPARABLE;
import static org.apache.flink.table.types.inference.strategies.SpecificTypeStrategies.ARRAY_APPEND_PREPEND;
/** Dictionary of function definitions for all built-in functions. */
@PublicEvolving
public final class BuiltInFunctionDefinitions {
// --------------------------------------------------------------------------------------------
// New stack built-in functions
// --------------------------------------------------------------------------------------------
public static final BuiltInFunctionDefinition TYPE_OF =
BuiltInFunctionDefinition.newBuilder()
.name("TYPEOF")
.kind(SCALAR)
.inputTypeStrategy(
or(
sequence(
new String[] {"input"},
new ArgumentTypeStrategy[] {ANY}),
sequence(
new String[] {"input", "force_serializable"},
new ArgumentTypeStrategy[] {
ANY, and(logical(LogicalTypeRoot.BOOLEAN), LITERAL)
})))
.outputTypeStrategy(explicit(DataTypes.STRING()))
.runtimeClass("org.apache.flink.table.runtime.functions.scalar.TypeOfFunction")
.build();
public static final BuiltInFunctionDefinition IF_NULL =
BuiltInFunctionDefinition.newBuilder()
.name("IFNULL")
.kind(SCALAR)
.inputTypeStrategy(
sequence(
Arrays.asList("input", "null_replacement"),
Arrays.asList(COMMON_ARG_NULLABLE, COMMON_ARG_NULLABLE)))
.outputTypeStrategy(SpecificTypeStrategies.IF_NULL)
.runtimeClass("org.apache.flink.table.runtime.functions.scalar.IfNullFunction")
.build();
public static final BuiltInFunctionDefinition MAP_KEYS =
BuiltInFunctionDefinition.newBuilder()
.name("MAP_KEYS")
.kind(SCALAR)
.inputTypeStrategy(
sequence(
new String[] {"input"},
new ArgumentTypeStrategy[] {logical(LogicalTypeRoot.MAP)}))
.outputTypeStrategy(nullableIfArgs(SpecificTypeStrategies.MAP_KEYS))
.runtimeClass("org.apache.flink.table.runtime.functions.scalar.MapKeysFunction")
.build();
public static final BuiltInFunctionDefinition MAP_VALUES =
BuiltInFunctionDefinition.newBuilder()
.name("MAP_VALUES")
.kind(SCALAR)
.inputTypeStrategy(
sequence(
new String[] {"input"},
new ArgumentTypeStrategy[] {logical(LogicalTypeRoot.MAP)}))
.outputTypeStrategy(nullableIfArgs(SpecificTypeStrategies.MAP_VALUES))
.runtimeClass(
"org.apache.flink.table.runtime.functions.scalar.MapValuesFunction")
.build();
public static final BuiltInFunctionDefinition MAP_ENTRIES =
BuiltInFunctionDefinition.newBuilder()
.name("MAP_ENTRIES")
.kind(SCALAR)
.inputTypeStrategy(
sequence(
new String[] {"input"},
new ArgumentTypeStrategy[] {logical(LogicalTypeRoot.MAP)}))
.outputTypeStrategy(nullableIfArgs(SpecificTypeStrategies.MAP_ENTRIES))
.runtimeClass(
"org.apache.flink.table.runtime.functions.scalar.MapEntriesFunction")
.build();
public static final BuiltInFunctionDefinition MAP_FROM_ARRAYS =
BuiltInFunctionDefinition.newBuilder()
.name("MAP_FROM_ARRAYS")
.kind(SCALAR)
.inputTypeStrategy(
sequence(
new String[] {"keysArray", "valuesArray"},
new ArgumentTypeStrategy[] {
logical(LogicalTypeRoot.ARRAY),
logical(LogicalTypeRoot.ARRAY)
}))
.outputTypeStrategy(nullableIfArgs(SpecificTypeStrategies.MAP_FROM_ARRAYS))
.runtimeClass(
"org.apache.flink.table.runtime.functions.scalar.MapFromArraysFunction")
.build();
public static final BuiltInFunctionDefinition SOURCE_WATERMARK =
BuiltInFunctionDefinition.newBuilder()
.name("SOURCE_WATERMARK")
.kind(SCALAR)
.inputTypeStrategy(NO_ARGS)
.outputTypeStrategy(SpecificTypeStrategies.SOURCE_WATERMARK)
.runtimeClass(
"org.apache.flink.table.runtime.functions.scalar.SourceWatermarkFunction")
.build();
public static final BuiltInFunctionDefinition COALESCE =
BuiltInFunctionDefinition.newBuilder()
.name("COALESCE")
.kind(SCALAR)
.inputTypeStrategy(varyingSequence(COMMON_ARG_NULLABLE, COMMON_ARG_NULLABLE))
.outputTypeStrategy(nullableIfAllArgs(COMMON))
.runtimeClass(
"org.apache.flink.table.runtime.functions.scalar.CoalesceFunction")
.build();
public static final BuiltInFunctionDefinition ARRAY_APPEND =
BuiltInFunctionDefinition.newBuilder()
.name("ARRAY_APPEND")
.kind(SCALAR)
.inputTypeStrategy(
sequence(
Arrays.asList("array", "element"),
Arrays.asList(
logical(LogicalTypeRoot.ARRAY), ARRAY_ELEMENT_ARG)))
.outputTypeStrategy(nullableIfArgs(nullableIfArgs(ARRAY_APPEND_PREPEND)))
.runtimeClass(
"org.apache.flink.table.runtime.functions.scalar.ArrayAppendFunction")
.build();
public static final BuiltInFunctionDefinition ARRAY_CONTAINS =
BuiltInFunctionDefinition.newBuilder()
.name("ARRAY_CONTAINS")
.kind(SCALAR)
.inputTypeStrategy(
sequence(
Arrays.asList("haystack", "needle"),
Arrays.asList(
logical(LogicalTypeRoot.ARRAY), ARRAY_ELEMENT_ARG)))
.outputTypeStrategy(
nullableIfArgs(
ConstantArgumentCount.of(0), explicit(DataTypes.BOOLEAN())))
.runtimeClass(
"org.apache.flink.table.runtime.functions.scalar.ArrayContainsFunction")
.build();
public static final BuiltInFunctionDefinition ARRAY_DISTINCT =
BuiltInFunctionDefinition.newBuilder()
.name("ARRAY_DISTINCT")
.kind(SCALAR)
.inputTypeStrategy(
sequence(
Collections.singletonList("haystack"),
Collections.singletonList(logical(LogicalTypeRoot.ARRAY))))
.outputTypeStrategy(nullableIfArgs(argument(0)))
.runtimeClass(
"org.apache.flink.table.runtime.functions.scalar.ArrayDistinctFunction")
.build();
public static final BuiltInFunctionDefinition ARRAY_POSITION =
BuiltInFunctionDefinition.newBuilder()
.name("ARRAY_POSITION")
.kind(SCALAR)
.inputTypeStrategy(
sequence(
Arrays.asList("haystack", "needle"),
Arrays.asList(
logical(LogicalTypeRoot.ARRAY), ARRAY_ELEMENT_ARG)))
.outputTypeStrategy(nullableIfArgs(explicit(DataTypes.INT())))
.runtimeClass(
"org.apache.flink.table.runtime.functions.scalar.ArrayPositionFunction")
.build();
public static final BuiltInFunctionDefinition ARRAY_PREPEND =
BuiltInFunctionDefinition.newBuilder()
.name("ARRAY_PREPEND")
.kind(SCALAR)
.inputTypeStrategy(
sequence(
Arrays.asList("array", "element"),
Arrays.asList(
logical(LogicalTypeRoot.ARRAY), ARRAY_ELEMENT_ARG)))
.outputTypeStrategy(nullableIfArgs(ARRAY_APPEND_PREPEND))
.runtimeClass(
"org.apache.flink.table.runtime.functions.scalar.ArrayPrependFunction")
.build();
public static final BuiltInFunctionDefinition ARRAY_REMOVE =
BuiltInFunctionDefinition.newBuilder()
.name("ARRAY_REMOVE")
.kind(SCALAR)
.inputTypeStrategy(
sequence(
Arrays.asList("haystack", "needle"),
Arrays.asList(
logical(LogicalTypeRoot.ARRAY), ARRAY_ELEMENT_ARG)))
.outputTypeStrategy(nullableIfArgs(ConstantArgumentCount.of(0), argument(0)))
.runtimeClass(
"org.apache.flink.table.runtime.functions.scalar.ArrayRemoveFunction")
.build();
public static final BuiltInFunctionDefinition ARRAY_REVERSE =
BuiltInFunctionDefinition.newBuilder()
.name("ARRAY_REVERSE")
.kind(SCALAR)
.inputTypeStrategy(
sequence(
Collections.singletonList("haystack"),
Collections.singletonList(logical(LogicalTypeRoot.ARRAY))))
.outputTypeStrategy(nullableIfArgs(argument(0)))
.runtimeClass(
"org.apache.flink.table.runtime.functions.scalar.ArrayReverseFunction")
.build();
public static final BuiltInFunctionDefinition ARRAY_SLICE =
BuiltInFunctionDefinition.newBuilder()
.name("ARRAY_SLICE")
.kind(SCALAR)
.inputTypeStrategy(
or(
sequence(
logical(LogicalTypeRoot.ARRAY),
logical(LogicalTypeRoot.INTEGER),
logical(LogicalTypeRoot.INTEGER)),
sequence(
logical(LogicalTypeRoot.ARRAY),
logical(LogicalTypeRoot.INTEGER))))
.outputTypeStrategy(nullableIfArgs(argument(0)))
.runtimeClass(
"org.apache.flink.table.runtime.functions.scalar.ArraySliceFunction")
.build();
public static final BuiltInFunctionDefinition ARRAY_UNION =
BuiltInFunctionDefinition.newBuilder()
.name("ARRAY_UNION")
.kind(SCALAR)
.inputTypeStrategy(commonArrayType(2))
.outputTypeStrategy(nullableIfArgs(COMMON))
.runtimeClass(
"org.apache.flink.table.runtime.functions.scalar.ArrayUnionFunction")
.build();
public static final BuiltInFunctionDefinition ARRAY_CONCAT =
BuiltInFunctionDefinition.newBuilder()
.name("ARRAY_CONCAT")
.kind(SCALAR)
.inputTypeStrategy(commonMultipleArrayType(1))
.outputTypeStrategy(nullableIfArgs(COMMON))
.runtimeClass(
"org.apache.flink.table.runtime.functions.scalar.ArrayConcatFunction")
.build();
public static final BuiltInFunctionDefinition ARRAY_MAX =
BuiltInFunctionDefinition.newBuilder()
.name("ARRAY_MAX")
.kind(SCALAR)
.inputTypeStrategy(arrayFullyComparableElementType())
.outputTypeStrategy(forceNullable(SpecificTypeStrategies.ARRAY_ELEMENT))
.runtimeClass(
"org.apache.flink.table.runtime.functions.scalar.ArrayMaxFunction")
.build();
public static final BuiltInFunctionDefinition ARRAY_JOIN =
BuiltInFunctionDefinition.newBuilder()
.name("ARRAY_JOIN")
.kind(SCALAR)
.inputTypeStrategy(
or(
sequence(
new ArrayOfStringArgumentTypeStrategy(),
logical(LogicalTypeFamily.CHARACTER_STRING)),
sequence(
new ArrayOfStringArgumentTypeStrategy(),
logical(LogicalTypeFamily.CHARACTER_STRING),
logical(LogicalTypeFamily.CHARACTER_STRING))))
.outputTypeStrategy(nullableIfArgs(explicit(DataTypes.STRING().nullable())))
.runtimeClass(
"org.apache.flink.table.runtime.functions.scalar.ArrayJoinFunction")
.build();
public static final BuiltInFunctionDefinition ARRAY_MIN =
BuiltInFunctionDefinition.newBuilder()
.name("ARRAY_MIN")
.kind(SCALAR)
.inputTypeStrategy(arrayFullyComparableElementType())
.outputTypeStrategy(forceNullable(SpecificTypeStrategies.ARRAY_ELEMENT))
.runtimeClass(
"org.apache.flink.table.runtime.functions.scalar.ArrayMinFunction")
.build();
public static final BuiltInFunctionDefinition INTERNAL_REPLICATE_ROWS =
BuiltInFunctionDefinition.newBuilder()
.name("$REPLICATE_ROWS$1")
.kind(TABLE)
.outputTypeStrategy(SpecificTypeStrategies.INTERNAL_REPLICATE_ROWS)
.runtimeClass(
"org.apache.flink.table.runtime.functions.table.ReplicateRowsFunction")
.internal()
.build();
public static final BuiltInFunctionDefinition INTERNAL_UNNEST_ROWS =
BuiltInFunctionDefinition.newBuilder()
.name("$UNNEST_ROWS$1")
.kind(TABLE)
.outputTypeStrategy(SpecificTypeStrategies.UNUSED)
.runtimeClass(
"org.apache.flink.table.runtime.functions.table.UnnestRowsFunction")
.internal()
.build();
public static final BuiltInFunctionDefinition INTERNAL_HASHCODE =
BuiltInFunctionDefinition.newBuilder()
.name("$HASHCODE$1")
.kind(SCALAR)
.inputTypeStrategy(sequence(ANY))
.outputTypeStrategy(nullableIfArgs(explicit(DataTypes.INT().notNull())))
.runtimeProvided()
.internal()
.build();
// --------------------------------------------------------------------------------------------
// Logic functions
// --------------------------------------------------------------------------------------------
public static final BuiltInFunctionDefinition AND =
BuiltInFunctionDefinition.newBuilder()
.name("and")
.callSyntax("AND", SqlCallSyntax.MULTIPLE_BINARY_OP)
.kind(SCALAR)
.inputTypeStrategy(
varyingSequence(
logical(LogicalTypeRoot.BOOLEAN),
logical(LogicalTypeRoot.BOOLEAN),
logical(LogicalTypeRoot.BOOLEAN)))
.outputTypeStrategy(nullableIfArgs(explicit(DataTypes.BOOLEAN())))
.build();
public static final BuiltInFunctionDefinition OR =
BuiltInFunctionDefinition.newBuilder()
.name("or")
.callSyntax("OR", SqlCallSyntax.MULTIPLE_BINARY_OP)
.kind(SCALAR)
.inputTypeStrategy(
varyingSequence(
logical(LogicalTypeRoot.BOOLEAN),
logical(LogicalTypeRoot.BOOLEAN),
logical(LogicalTypeRoot.BOOLEAN)))
.outputTypeStrategy(nullableIfArgs(explicit(DataTypes.BOOLEAN())))
.build();
public static final BuiltInFunctionDefinition NOT =
BuiltInFunctionDefinition.newBuilder()
.name("not")
.callSyntax("NOT", SqlCallSyntax.UNARY_PREFIX_OP)
.kind(SCALAR)
.inputTypeStrategy(sequence(logical(LogicalTypeRoot.BOOLEAN)))
.outputTypeStrategy(nullableIfArgs(explicit(DataTypes.BOOLEAN())))
.build();
public static final BuiltInFunctionDefinition IF =
BuiltInFunctionDefinition.newBuilder()
.name("ifThenElse")
.callSyntax(
(sqlName, operands) ->
String.format(
"CASE WHEN %s THEN %s ELSE %s END",
operands.get(0).asSerializableString(),
operands.get(1).asSerializableString(),
operands.get(2).asSerializableString()))
.kind(SCALAR)
.inputTypeStrategy(
compositeSequence()
.argument(logical(LogicalTypeRoot.BOOLEAN))
.subsequence(commonType(2))
.finish())
.outputTypeStrategy(argument(1))
.build();
// --------------------------------------------------------------------------------------------
// Comparison functions
// --------------------------------------------------------------------------------------------
public static final BuiltInFunctionDefinition EQUALS =
BuiltInFunctionDefinition.newBuilder()
.name("equals")
.callSyntax("=", SqlCallSyntax.BINARY_OP)
.kind(SCALAR)
.inputTypeStrategy(TWO_EQUALS_COMPARABLE)
.outputTypeStrategy(nullableIfArgs(explicit(DataTypes.BOOLEAN())))
.build();
public static final BuiltInFunctionDefinition GREATER_THAN =
BuiltInFunctionDefinition.newBuilder()
.name("greaterThan")
.callSyntax(">", SqlCallSyntax.BINARY_OP)
.kind(SCALAR)
.inputTypeStrategy(TWO_FULLY_COMPARABLE)
.outputTypeStrategy(nullableIfArgs(explicit(DataTypes.BOOLEAN())))
.build();
public static final BuiltInFunctionDefinition GREATER_THAN_OR_EQUAL =
BuiltInFunctionDefinition.newBuilder()
.name("greaterThanOrEqual")
.callSyntax(">=", SqlCallSyntax.BINARY_OP)
.kind(SCALAR)
.inputTypeStrategy(TWO_FULLY_COMPARABLE)
.outputTypeStrategy(nullableIfArgs(explicit(DataTypes.BOOLEAN())))
.build();
public static final BuiltInFunctionDefinition LESS_THAN =
BuiltInFunctionDefinition.newBuilder()
.name("lessThan")
.callSyntax("<", SqlCallSyntax.BINARY_OP)
.kind(SCALAR)
.inputTypeStrategy(TWO_FULLY_COMPARABLE)
.outputTypeStrategy(nullableIfArgs(explicit(DataTypes.BOOLEAN())))
.build();
public static final BuiltInFunctionDefinition LESS_THAN_OR_EQUAL =
BuiltInFunctionDefinition.newBuilder()
.name("lessThanOrEqual")
.callSyntax("<=", SqlCallSyntax.BINARY_OP)
.kind(SCALAR)
.inputTypeStrategy(TWO_FULLY_COMPARABLE)
.outputTypeStrategy(nullableIfArgs(explicit(DataTypes.BOOLEAN())))
.build();
public static final BuiltInFunctionDefinition NOT_EQUALS =
BuiltInFunctionDefinition.newBuilder()
.name("notEquals")
.callSyntax("<>", SqlCallSyntax.BINARY_OP)
.kind(SCALAR)
.inputTypeStrategy(TWO_EQUALS_COMPARABLE)
.outputTypeStrategy(nullableIfArgs(explicit(DataTypes.BOOLEAN())))
.build();
public static final BuiltInFunctionDefinition IS_NULL =
BuiltInFunctionDefinition.newBuilder()
.name("isNull")
.callSyntax("IS NULL", SqlCallSyntax.UNARY_SUFFIX_OP)
.kind(SCALAR)
.inputTypeStrategy(wildcardWithCount(ConstantArgumentCount.of(1)))
.outputTypeStrategy(explicit(DataTypes.BOOLEAN().notNull()))
.build();
public static final BuiltInFunctionDefinition IS_NOT_NULL =
BuiltInFunctionDefinition.newBuilder()
.name("isNotNull")
.callSyntax("IS NOT NULL", SqlCallSyntax.UNARY_SUFFIX_OP)
.kind(SCALAR)
.inputTypeStrategy(wildcardWithCount(ConstantArgumentCount.of(1)))
.outputTypeStrategy(explicit(DataTypes.BOOLEAN().notNull()))
.build();
public static final BuiltInFunctionDefinition IS_TRUE =
BuiltInFunctionDefinition.newBuilder()
.name("isTrue")
.callSyntax("IS TRUE", SqlCallSyntax.UNARY_SUFFIX_OP)
.kind(SCALAR)
.inputTypeStrategy(sequence(logical(LogicalTypeRoot.BOOLEAN)))
.outputTypeStrategy(explicit(DataTypes.BOOLEAN().notNull()))
.build();
public static final BuiltInFunctionDefinition IS_FALSE =
BuiltInFunctionDefinition.newBuilder()
.name("isFalse")
.callSyntax("IS FALSE", SqlCallSyntax.UNARY_SUFFIX_OP)
.kind(SCALAR)
.inputTypeStrategy(sequence(logical(LogicalTypeRoot.BOOLEAN)))
.outputTypeStrategy(explicit(DataTypes.BOOLEAN().notNull()))
.build();
public static final BuiltInFunctionDefinition IS_NOT_TRUE =
BuiltInFunctionDefinition.newBuilder()
.name("isNotTrue")
.callSyntax("IS NOT TRUE", SqlCallSyntax.UNARY_SUFFIX_OP)
.kind(SCALAR)
.inputTypeStrategy(sequence(logical(LogicalTypeRoot.BOOLEAN)))
.outputTypeStrategy(explicit(DataTypes.BOOLEAN().notNull()))
.build();
public static final BuiltInFunctionDefinition IS_NOT_FALSE =
BuiltInFunctionDefinition.newBuilder()
.name("isNotFalse")
.callSyntax("IS NOT FALSE", SqlCallSyntax.UNARY_SUFFIX_OP)
.kind(SCALAR)
.inputTypeStrategy(sequence(logical(LogicalTypeRoot.BOOLEAN)))
.outputTypeStrategy(explicit(DataTypes.BOOLEAN().notNull()))
.build();
public static final BuiltInFunctionDefinition BETWEEN =
BuiltInFunctionDefinition.newBuilder()
.name("between")
.kind(SCALAR)
.callSyntax(
(sqlName, operands) ->
String.format(
"%s BETWEEN %s AND %s",
CallSyntaxUtils.asSerializableOperand(operands.get(0)),
CallSyntaxUtils.asSerializableOperand(operands.get(1)),
CallSyntaxUtils.asSerializableOperand(operands.get(2))))
.inputTypeStrategy(
comparable(ConstantArgumentCount.of(3), StructuredComparison.FULL))
.outputTypeStrategy(nullableIfArgs(explicit(DataTypes.BOOLEAN())))
.build();
public static final BuiltInFunctionDefinition NOT_BETWEEN =
BuiltInFunctionDefinition.newBuilder()
.name("notBetween")
.callSyntax(
(sqlName, operands) ->
String.format(
"%s NOT BETWEEN %s AND %s",
CallSyntaxUtils.asSerializableOperand(operands.get(0)),
CallSyntaxUtils.asSerializableOperand(operands.get(1)),
CallSyntaxUtils.asSerializableOperand(operands.get(2))))
.kind(SCALAR)
.inputTypeStrategy(
comparable(ConstantArgumentCount.of(3), StructuredComparison.FULL))
.outputTypeStrategy(nullableIfArgs(explicit(DataTypes.BOOLEAN())))
.build();
public static final BuiltInFunctionDefinition GREATEST =
BuiltInFunctionDefinition.newBuilder()
.name("GREATEST")
.kind(SCALAR)
.inputTypeStrategy(
comparable(ConstantArgumentCount.from(1), StructuredComparison.FULL))
.outputTypeStrategy(nullableIfArgs(TypeStrategies.COMMON))
.runtimeProvided()
.build();
public static final BuiltInFunctionDefinition LEAST =
BuiltInFunctionDefinition.newBuilder()
.name("LEAST")
.kind(SCALAR)
.inputTypeStrategy(
comparable(ConstantArgumentCount.from(1), StructuredComparison.FULL))
.outputTypeStrategy(nullableIfArgs(TypeStrategies.COMMON))
.runtimeProvided()
.build();
// --------------------------------------------------------------------------------------------
// Aggregate functions
// --------------------------------------------------------------------------------------------
public static final BuiltInFunctionDefinition AVG =
BuiltInFunctionDefinition.newBuilder()
.name("avg")
.kind(AGGREGATE)
.inputTypeStrategy(sequence(logical(LogicalTypeFamily.NUMERIC)))
.outputTypeStrategy(
TypeStrategies.aggArg0(LogicalTypeMerging::findAvgAggType, true))
.build();
public static final BuiltInFunctionDefinition COUNT =
BuiltInFunctionDefinition.newBuilder()
.name("count")
.kind(AGGREGATE)
.inputTypeStrategy(sequence(ANY)) // COUNT(*) is not supported yet
.outputTypeStrategy(explicit(BIGINT().notNull()))
.build();
public static final BuiltInFunctionDefinition MAX =
BuiltInFunctionDefinition.newBuilder()
.name("max")
.kind(AGGREGATE)
.inputTypeStrategy(
comparable(ConstantArgumentCount.of(1), StructuredComparison.FULL))
.outputTypeStrategy(TypeStrategies.aggArg0(t -> t, true))
.build();
public static final BuiltInFunctionDefinition MIN =
BuiltInFunctionDefinition.newBuilder()
.name("min")
.kind(AGGREGATE)
.inputTypeStrategy(
comparable(ConstantArgumentCount.of(1), StructuredComparison.FULL))
.outputTypeStrategy(TypeStrategies.aggArg0(t -> t, true))
.build();
public static final BuiltInFunctionDefinition FIRST_VALUE =
BuiltInFunctionDefinition.newBuilder()
.name("first_value")
.kind(AGGREGATE)
.outputTypeStrategy(TypeStrategies.aggArg0(t -> t, true))
.build();
public static final BuiltInFunctionDefinition LAST_VALUE =
BuiltInFunctionDefinition.newBuilder()
.name("last_value")
.kind(AGGREGATE)
.outputTypeStrategy(TypeStrategies.aggArg0(t -> t, true))
.build();
public static final BuiltInFunctionDefinition LISTAGG =
BuiltInFunctionDefinition.newBuilder()
.name("listAgg")
.kind(AGGREGATE)
.inputTypeStrategy(sequence(ANY, logical(LogicalTypeFamily.CHARACTER_STRING)))
.outputTypeStrategy(explicit(STRING().nullable()))
.build();
public static final BuiltInFunctionDefinition SUM =
BuiltInFunctionDefinition.newBuilder()
.name("sum")
.kind(AGGREGATE)
.inputTypeStrategy(sequence(logical(LogicalTypeFamily.NUMERIC)))
.outputTypeStrategy(
TypeStrategies.aggArg0(LogicalTypeMerging::findSumAggType, true))
.build();
public static final BuiltInFunctionDefinition SUM0 =
BuiltInFunctionDefinition.newBuilder()
.name("sum0")
.kind(AGGREGATE)
.inputTypeStrategy(sequence(logical(LogicalTypeFamily.NUMERIC)))
.outputTypeStrategy(
TypeStrategies.aggArg0(LogicalTypeMerging::findSumAggType, false))
.build();
public static final BuiltInFunctionDefinition STDDEV_POP =
BuiltInFunctionDefinition.newBuilder()
.name("stddevPop")
.kind(AGGREGATE)
.inputTypeStrategy(sequence(logical(LogicalTypeFamily.NUMERIC)))
.outputTypeStrategy(
TypeStrategies.aggArg0(LogicalTypeMerging::findAvgAggType, true))
.build();
public static final BuiltInFunctionDefinition STDDEV_SAMP =
BuiltInFunctionDefinition.newBuilder()
.name("stddevSamp")
.kind(AGGREGATE)
.inputTypeStrategy(sequence(logical(LogicalTypeFamily.NUMERIC)))
.outputTypeStrategy(
TypeStrategies.aggArg0(LogicalTypeMerging::findAvgAggType, true))
.build();
public static final BuiltInFunctionDefinition VAR_POP =
BuiltInFunctionDefinition.newBuilder()
.name("varPop")
.kind(AGGREGATE)
.inputTypeStrategy(sequence(logical(LogicalTypeFamily.NUMERIC)))
.outputTypeStrategy(
TypeStrategies.aggArg0(LogicalTypeMerging::findAvgAggType, true))
.build();
public static final BuiltInFunctionDefinition VAR_SAMP =
BuiltInFunctionDefinition.newBuilder()
.name("varSamp")
.kind(AGGREGATE)
.inputTypeStrategy(sequence(logical(LogicalTypeFamily.NUMERIC)))
.outputTypeStrategy(
TypeStrategies.aggArg0(LogicalTypeMerging::findAvgAggType, true))
.build();
public static final BuiltInFunctionDefinition COLLECT =
BuiltInFunctionDefinition.newBuilder()
.name("collect")
.kind(AGGREGATE)
.inputTypeStrategy(sequence(ANY))
.outputTypeStrategy(SpecificTypeStrategies.COLLECT)
.build();
public static final BuiltInFunctionDefinition DISTINCT =
BuiltInFunctionDefinition.newBuilder()
.name("distinct")
.callSyntax(SqlCallSyntax.DISTINCT)
.kind(AGGREGATE)
.inputTypeStrategy(sequence(ANY))
.outputTypeStrategy(argument(0))
.build();
public static final BuiltInFunctionDefinition ARRAY_AGG =
BuiltInFunctionDefinition.newBuilder()
.name("ARRAY_AGG")
.kind(AGGREGATE)
.outputTypeStrategy(nullableIfArgs(SpecificTypeStrategies.ARRAY))
.build();
// --------------------------------------------------------------------------------------------
// String functions
// --------------------------------------------------------------------------------------------
public static final BuiltInFunctionDefinition CHAR_LENGTH =
BuiltInFunctionDefinition.newBuilder()
.name("charLength")
.kind(SCALAR)
.inputTypeStrategy(sequence(logical(LogicalTypeFamily.CHARACTER_STRING)))
.outputTypeStrategy(nullableIfArgs(explicit(INT())))
.build();
public static final BuiltInFunctionDefinition INIT_CAP =
BuiltInFunctionDefinition.newBuilder()
.name("initCap")
.kind(SCALAR)
.inputTypeStrategy(sequence(logical(LogicalTypeFamily.CHARACTER_STRING)))
.outputTypeStrategy(nullableIfArgs(argument(0)))
.build();
public static final BuiltInFunctionDefinition LIKE =
BuiltInFunctionDefinition.newBuilder()
.name("like")
.callSyntax("LIKE", SqlCallSyntax.BINARY_OP)
.kind(SCALAR)
.inputTypeStrategy(
sequence(
logical(LogicalTypeFamily.CHARACTER_STRING),
logical(LogicalTypeFamily.CHARACTER_STRING)))
.outputTypeStrategy(nullableIfArgs(explicit(DataTypes.BOOLEAN())))
.build();
public static final BuiltInFunctionDefinition LOWER =
BuiltInFunctionDefinition.newBuilder()
.name("lower")
.kind(SCALAR)
.inputTypeStrategy(sequence(logical(LogicalTypeFamily.CHARACTER_STRING)))
.outputTypeStrategy(nullableIfArgs(argument(0)))
.build();
// we need LOWERCASE here to maintain compatibility for the string-based expression DSL
// which exposes LOWER as lowerCase()
public static final BuiltInFunctionDefinition LOWERCASE =
BuiltInFunctionDefinition.newBuilder()
.name("lowerCase")
.kind(SCALAR)
.inputTypeStrategy(sequence(logical(LogicalTypeFamily.CHARACTER_STRING)))
.outputTypeStrategy(nullableIfArgs(argument(0)))
.build();
public static final BuiltInFunctionDefinition SIMILAR =
BuiltInFunctionDefinition.newBuilder()
.name("similar")
.callSyntax("SIMILAR TO", SqlCallSyntax.BINARY_OP)
.kind(SCALAR)
.inputTypeStrategy(
sequence(
logical(LogicalTypeFamily.CHARACTER_STRING),
logical(LogicalTypeFamily.CHARACTER_STRING)))
.outputTypeStrategy(nullableIfArgs(explicit(DataTypes.BOOLEAN())))
.build();
public static final BuiltInFunctionDefinition SUBSTRING =
BuiltInFunctionDefinition.newBuilder()
.name("substring")
.callSyntax("SUBSTRING", SqlCallSyntax.SUBSTRING)
.kind(SCALAR)
.inputTypeStrategy(
or(
sequence(
logical(LogicalTypeFamily.CHARACTER_STRING),
logical(LogicalTypeRoot.INTEGER)),
sequence(
logical(LogicalTypeFamily.CHARACTER_STRING),
logical(LogicalTypeRoot.INTEGER),
logical(LogicalTypeRoot.INTEGER))))
.outputTypeStrategy(nullableIfArgs(varyingString(argument(0))))
.build();
public static final BuiltInFunctionDefinition SUBSTR =
BuiltInFunctionDefinition.newBuilder()
.name("substr")
.sqlName("SUBSTR")
.kind(SCALAR)
.inputTypeStrategy(
or(
sequence(
logical(LogicalTypeFamily.CHARACTER_STRING),
logical(LogicalTypeRoot.INTEGER)),
sequence(
logical(LogicalTypeFamily.CHARACTER_STRING),
logical(LogicalTypeRoot.INTEGER),
logical(LogicalTypeRoot.INTEGER))))
.outputTypeStrategy(nullableIfArgs(varyingString(argument(0))))
.build();
public static final BuiltInFunctionDefinition REPLACE =
BuiltInFunctionDefinition.newBuilder()
.name("replace")
.kind(SCALAR)
.inputTypeStrategy(
sequence(
logical(LogicalTypeFamily.CHARACTER_STRING),
logical(LogicalTypeFamily.CHARACTER_STRING),
logical(LogicalTypeFamily.CHARACTER_STRING)))
.outputTypeStrategy(nullableIfArgs(explicit(DataTypes.STRING())))
.build();
public static final BuiltInFunctionDefinition TRIM =
BuiltInFunctionDefinition.newBuilder()
.name("trim")
.callSyntax(SqlCallSyntax.TRIM)
.kind(SCALAR)
.inputTypeStrategy(
sequence(
logical(LogicalTypeRoot.BOOLEAN),
logical(LogicalTypeRoot.BOOLEAN),
logical(LogicalTypeFamily.CHARACTER_STRING),
logical(LogicalTypeFamily.CHARACTER_STRING)))
.outputTypeStrategy(nullableIfArgs(varyingString(argument(3))))
.build();
public static final BuiltInFunctionDefinition UPPER =
BuiltInFunctionDefinition.newBuilder()
.name("upper")
.kind(SCALAR)
.inputTypeStrategy(sequence(logical(LogicalTypeFamily.CHARACTER_STRING)))
.outputTypeStrategy(nullableIfArgs(argument(0)))
.build();
// we need UPPERCASE here to maintain compatibility for the string-based expression DSL
// which exposes UPPER as upperCase()
public static final BuiltInFunctionDefinition UPPERCASE =
BuiltInFunctionDefinition.newBuilder()
.name("upperCase")
.kind(SCALAR)
.inputTypeStrategy(sequence(logical(LogicalTypeFamily.CHARACTER_STRING)))
.outputTypeStrategy(nullableIfArgs(argument(0)))
.build();
public static final BuiltInFunctionDefinition POSITION =
BuiltInFunctionDefinition.newBuilder()
.name("position")
.callSyntax(
(sqlName, operands) ->
String.format(
"POSITION(%s IN %s)",
operands.get(0).asSerializableString(),
operands.get(1).asSerializableString()))
.kind(SCALAR)
.inputTypeStrategy(
sequence(
logical(LogicalTypeFamily.CHARACTER_STRING),
logical(LogicalTypeFamily.CHARACTER_STRING)))
.outputTypeStrategy(nullableIfArgs(explicit(INT())))
.build();
public static final BuiltInFunctionDefinition OVERLAY =
BuiltInFunctionDefinition.newBuilder()
.name("overlay")
.callSyntax(SqlCallSyntax.OVERLAY)
.kind(SCALAR)
.inputTypeStrategy(
or(
sequence(
logical(LogicalTypeFamily.CHARACTER_STRING),
logical(LogicalTypeFamily.CHARACTER_STRING),
logical(LogicalTypeRoot.INTEGER)),
sequence(
logical(LogicalTypeFamily.CHARACTER_STRING),
logical(LogicalTypeFamily.CHARACTER_STRING),
logical(LogicalTypeRoot.INTEGER),
logical(LogicalTypeRoot.INTEGER))))
.outputTypeStrategy(nullableIfArgs(SpecificTypeStrategies.STRING_CONCAT))
.build();
public static final BuiltInFunctionDefinition CONCAT =
BuiltInFunctionDefinition.newBuilder()
.name("concat")
.kind(SCALAR)
.inputTypeStrategy(
or(
varyingSequence(
logical(LogicalTypeFamily.CHARACTER_STRING),
logical(LogicalTypeFamily.CHARACTER_STRING)),
varyingSequence(
logical(LogicalTypeFamily.BINARY_STRING),
logical(LogicalTypeFamily.BINARY_STRING))))
.outputTypeStrategy(nullableIfArgs(SpecificTypeStrategies.STRING_CONCAT))
.build();
public static final BuiltInFunctionDefinition CONCAT_WS =
BuiltInFunctionDefinition.newBuilder()
.name("concat_ws")
.kind(SCALAR)
.inputTypeStrategy(
varyingSequence(
logical(LogicalTypeFamily.CHARACTER_STRING),
logical(LogicalTypeFamily.CHARACTER_STRING)))
.outputTypeStrategy(nullableIfArgs(explicit(DataTypes.STRING())))
.build();
public static final BuiltInFunctionDefinition LPAD =
BuiltInFunctionDefinition.newBuilder()
.name("lpad")
.kind(SCALAR)
.inputTypeStrategy(
sequence(
logical(LogicalTypeFamily.CHARACTER_STRING),
logical(LogicalTypeRoot.INTEGER),
logical(LogicalTypeFamily.CHARACTER_STRING)))
.outputTypeStrategy(nullableIfArgs(explicit(DataTypes.STRING())))
.build();
public static final BuiltInFunctionDefinition RPAD =
BuiltInFunctionDefinition.newBuilder()
.name("rpad")