flink 1.13.5 源码下载

/* * 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.calcite.sql.validate; import com.google.common.annotations.VisibleForTesting; import com.google.common.base.Preconditions; import com.google.common.collect.ImmutableList; import com.google.common.collect.ImmutableSet; import com.google.common.collect.Sets; import org.apache.calcite.linq4j.Ord; import org.apache.calcite.linq4j.function.Function2; import org.apache.calcite.linq4j.function.Functions; import org.apache.calcite.plan.RelOptTable; import org.apache.calcite.plan.RelOptUtil; import org.apache.calcite.prepare.Prepare; import org.apache.calcite.rel.type.DynamicRecordType; import org.apache.calcite.rel.type.RelDataType; import org.apache.calcite.rel.type.RelDataTypeFactory; import org.apache.calcite.rel.type.RelDataTypeField; import org.apache.calcite.rel.type.RelDataTypeSystem; import org.apache.calcite.rel.type.RelRecordType; import org.apache.calcite.rex.RexNode; import org.apache.calcite.rex.RexPatternFieldRef; import org.apache.calcite.rex.RexVisitor; import org.apache.calcite.runtime.CalciteContextException; import org.apache.calcite.runtime.CalciteException; import org.apache.calcite.runtime.Feature; import org.apache.calcite.runtime.Resources; import org.apache.calcite.schema.ColumnStrategy; import org.apache.calcite.schema.Table; import org.apache.calcite.schema.impl.ModifiableViewTable; import org.apache.calcite.sql.JoinConditionType; import org.apache.calcite.sql.JoinType; import org.apache.calcite.sql.SqlAccessEnum; import org.apache.calcite.sql.SqlAccessType; import org.apache.calcite.sql.SqlAggFunction; import org.apache.calcite.sql.SqlBasicCall; import org.apache.calcite.sql.SqlCall; import org.apache.calcite.sql.SqlCallBinding; import org.apache.calcite.sql.SqlDataTypeSpec; import org.apache.calcite.sql.SqlDelete; import org.apache.calcite.sql.SqlDynamicParam; import org.apache.calcite.sql.SqlExplain; import org.apache.calcite.sql.SqlFunction; import org.apache.calcite.sql.SqlFunctionCategory; import org.apache.calcite.sql.SqlIdentifier; import org.apache.calcite.sql.SqlInsert; import org.apache.calcite.sql.SqlIntervalLiteral; import org.apache.calcite.sql.SqlIntervalQualifier; import org.apache.calcite.sql.SqlJoin; import org.apache.calcite.sql.SqlKind; import org.apache.calcite.sql.SqlLiteral; import org.apache.calcite.sql.SqlMatchRecognize; import org.apache.calcite.sql.SqlMerge; import org.apache.calcite.sql.SqlNode; import org.apache.calcite.sql.SqlNodeList; import org.apache.calcite.sql.SqlOperator; import org.apache.calcite.sql.SqlOperatorTable; import org.apache.calcite.sql.SqlOrderBy; import org.apache.calcite.sql.SqlPivot; import org.apache.calcite.sql.SqlSampleSpec; import org.apache.calcite.sql.SqlSelect; import org.apache.calcite.sql.SqlSelectKeyword; import org.apache.calcite.sql.SqlSnapshot; import org.apache.calcite.sql.SqlSyntax; import org.apache.calcite.sql.SqlTableFunction; import org.apache.calcite.sql.SqlUnresolvedFunction; import org.apache.calcite.sql.SqlUpdate; import org.apache.calcite.sql.SqlUtil; import org.apache.calcite.sql.SqlWindow; import org.apache.calcite.sql.SqlWindowTableFunction; import org.apache.calcite.sql.SqlWith; import org.apache.calcite.sql.SqlWithItem; import org.apache.calcite.sql.fun.SqlCase; import org.apache.calcite.sql.fun.SqlStdOperatorTable; import org.apache.calcite.sql.parser.SqlParserPos; import org.apache.calcite.sql.type.AssignableOperandTypeChecker; import org.apache.calcite.sql.type.OperandTypes; import org.apache.calcite.sql.type.ReturnTypes; import org.apache.calcite.sql.type.SqlOperandTypeChecker; import org.apache.calcite.sql.type.SqlOperandTypeInference; import org.apache.calcite.sql.type.SqlTypeCoercionRule; import org.apache.calcite.sql.type.SqlTypeName; import org.apache.calcite.sql.type.SqlTypeUtil; import org.apache.calcite.sql.util.IdPair; import org.apache.calcite.sql.util.SqlBasicVisitor; import org.apache.calcite.sql.util.SqlShuttle; import org.apache.calcite.sql.util.SqlVisitor; import org.apache.calcite.sql.validate.implicit.TypeCoercion; import org.apache.calcite.util.BitString; import org.apache.calcite.util.Bug; import org.apache.calcite.util.ImmutableBitSet; import org.apache.calcite.util.ImmutableIntList; import org.apache.calcite.util.ImmutableNullableList; import org.apache.calcite.util.Litmus; import org.apache.calcite.util.Pair; import org.apache.calcite.util.Static; import org.apache.calcite.util.Util; import org.apache.calcite.util.trace.CalciteTrace; import org.slf4j.Logger; import javax.annotation.Nonnull; import javax.annotation.Nullable; import java.math.BigDecimal; import java.math.BigInteger; import java.util.AbstractList; import java.util.ArrayDeque; import java.util.ArrayList; import java.util.Arrays; import java.util.Calendar; import java.util.Collection; import java.util.Collections; import java.util.Deque; import java.util.GregorianCalendar; import java.util.HashMap; import java.util.HashSet; import java.util.IdentityHashMap; import java.util.List; import java.util.Locale; import java.util.Map; import java.util.Objects; import java.util.Set; import java.util.function.Supplier; import java.util.function.UnaryOperator; import java.util.stream.Collectors; import static org.apache.calcite.sql.SqlUtil.stripAs; import static org.apache.calcite.util.Static.RESOURCE; /** * Default implementation of {@link SqlValidator}, the class was copied over because of * CALCITE-4554. * * <p>Lines 4697 ~ 4716, Flink enables TIMESTAMP and TIMESTAMP_LTZ for system time period * specification type. * * <p>Lines 5034 ~ 5038, Flink enables TIMESTAMP and TIMESTAMP_LTZ for first orderBy column in * matchRecognize. */ public class SqlValidatorImpl implements SqlValidatorWithHints { // ~ Static fields/initializers --------------------------------------------- public static final Logger TRACER = CalciteTrace.PARSER_LOGGER; /** Alias generated for the source table when rewriting UPDATE to MERGE. */ public static final String UPDATE_SRC_ALIAS = "SYS$SRC"; /** * Alias generated for the target table when rewriting UPDATE to MERGE if no alias was specified * by the user. */ public static final String UPDATE_TGT_ALIAS = "SYS$TGT"; /** Alias prefix generated for source columns when rewriting UPDATE to MERGE. */ public static final String UPDATE_ANON_PREFIX = "SYS$ANON"; // ~ Instance fields -------------------------------------------------------- private final SqlOperatorTable opTab; final SqlValidatorCatalogReader catalogReader; /** * Maps {@link SqlParserPos} strings to the {@link SqlIdentifier} identifier objects at these * positions. */ protected final Map<String, IdInfo> idPositions = new HashMap<>(); /** * Maps {@link SqlNode query node} objects to the {@link SqlValidatorScope} scope created from * them. */ protected final Map<SqlNode, SqlValidatorScope> scopes = new IdentityHashMap<>(); /** Maps a {@link SqlSelect} and a clause to the scope used by that clause. */ private final Map<IdPair<SqlSelect, Clause>, SqlValidatorScope> clauseScopes = new HashMap<>(); /** The name-resolution scope of a LATERAL TABLE clause.