Returns a SQL WHERE clause asserting equality of a field to a value. - Android Database

Android examples for Database:SQL Query

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Description

Returns a SQL WHERE clause asserting equality of a field to a value.

Demo Code

/*//from   ww  w.java 2  s. c  o m
 * Copyright (C) 2011 The Android Open Source Project
 *
 * Licensed 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 com.java2s;

import android.database.DatabaseUtils;

public class Main {
    /** Returns a WHERE clause asserting equality of a field to a value. */
    public static String getEqualityClause(String field, String value) {
        return getClauseWithOperator(field, "=", value);
    }

    private static String getClauseWithOperator(String field,
            String operator, String value) {
        StringBuilder clause = new StringBuilder();
        clause.append("(");
        clause.append(field);
        clause.append(" ").append(operator).append(" ");
        DatabaseUtils.appendEscapedSQLString(clause, value);
        clause.append(")");
        return clause.toString();
    }
}

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