0f2a1dffb6
It's compared with size_t and is set from size_t. To avoid ugly casts
we can store it as unsigned int. It's always positive anyway. Origin
uses signed int ("int") because there is no unsigned int in Java.
133 lines
4.9 KiB
C++
133 lines
4.9 KiB
C++
/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/*
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* Copyright 2015 Cloudius Systems
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*
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* Modified by Cloudius Systems
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*/
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#pragma once
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#include "cql3/statements/modification_statement.hh"
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#include "cql3/attributes.hh"
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#include "cql3/operation.hh"
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#include "database.hh"
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namespace cql3 {
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namespace statements {
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#if 0
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import java.nio.ByteBuffer;
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import java.util.*;
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import com.google.common.collect.Iterators;
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import org.apache.cassandra.cql3.*;
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import org.apache.cassandra.cql3.restrictions.Restriction;
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import org.apache.cassandra.config.CFMetaData;
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import org.apache.cassandra.config.ColumnDefinition;
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import org.apache.cassandra.db.*;
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import org.apache.cassandra.db.composites.Composite;
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import org.apache.cassandra.exceptions.*;
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import org.apache.cassandra.utils.Pair;
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#endif
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/**
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* A <code>DELETE</code> parsed from a CQL query statement.
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*/
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class delete_statement : public modification_statement {
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public:
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delete_statement(statement_type type, uint32_t bound_terms, schema_ptr s, std::unique_ptr<attributes> attrs)
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: modification_statement{type, bound_terms, std::move(s), std::move(attrs)}
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{ }
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virtual bool require_full_clustering_key() const override {
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return false;
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}
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virtual void add_update_for_key(mutation& m, const clustering_prefix& prefix, const update_parameters& params) override;
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#if 0
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protected void validateWhereClauseForConditions() throws InvalidRequestException
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{
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Iterator<ColumnDefinition> iterator = Iterators.concat(cfm.partitionKeyColumns().iterator(), cfm.clusteringColumns().iterator());
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while (iterator.hasNext())
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{
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ColumnDefinition def = iterator.next();
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Restriction restriction = processedKeys.get(def.name);
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if (restriction == null || !(restriction.isEQ() || restriction.isIN()))
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{
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throw new InvalidRequestException(
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String.format("DELETE statements must restrict all PRIMARY KEY columns with equality relations in order " +
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"to use IF conditions, but column '%s' is not restricted", def.name));
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}
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}
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}
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public static class Parsed extends ModificationStatement.Parsed
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{
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private final List<Operation.RawDeletion> deletions;
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private final List<Relation> whereClause;
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public Parsed(CFName name,
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Attributes.Raw attrs,
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List<Operation.RawDeletion> deletions,
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List<Relation> whereClause,
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List<Pair<ColumnIdentifier.Raw, ColumnCondition.Raw>> conditions,
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boolean ifExists)
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{
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super(name, attrs, conditions, false, ifExists);
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this.deletions = deletions;
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this.whereClause = whereClause;
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}
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protected ModificationStatement prepareInternal(CFMetaData cfm, VariableSpecifications boundNames, Attributes attrs) throws InvalidRequestException
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{
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DeleteStatement stmt = new DeleteStatement(ModificationStatement.StatementType.DELETE, boundNames.size(), cfm, attrs);
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for (Operation.RawDeletion deletion : deletions)
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{
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ColumnIdentifier id = deletion.affectedColumn().prepare(cfm);
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ColumnDefinition def = cfm.getColumnDefinition(id);
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if (def == null)
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throw new InvalidRequestException(String.format("Unknown identifier %s", id));
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// For compact, we only have one value except the key, so the only form of DELETE that make sense is without a column
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// list. However, we support having the value name for coherence with the static/sparse case
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if (def.isPrimaryKeyColumn())
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throw new InvalidRequestException(String.format("Invalid identifier %s for deletion (should not be a PRIMARY KEY part)", def.name));
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Operation op = deletion.prepare(cfm.ksName, def);
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op.collectMarkerSpecification(boundNames);
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stmt.addOperation(op);
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}
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stmt.processWhereClause(whereClause, boundNames);
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return stmt;
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}
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}
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#endif
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};
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}
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}
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