├── .github └── workflows │ ├── ci.yml │ └── codeql.yml ├── .gitignore ├── .idea ├── artifacts │ └── SqlQueryBuilder.xml ├── codeStyles │ └── codeStyleConfig.xml └── encodings.xml ├── LICENSE.md ├── README.md ├── SqlQueryBuilder ├── pom.xml └── src │ └── main │ └── java │ ├── DeleteQueryElements │ ├── DeleteQuery.java │ └── IDeleteQuery.java │ ├── InsertQueryElements │ ├── IInsertQuery.java │ ├── IInsertRestOfValuesQuery.java │ ├── InsertQuery.java │ └── InsertRestOfValuesQuery.java │ ├── QueryElements │ ├── FinishableQuery.java │ ├── IFinishableQuery.java │ └── Query.java │ ├── SelectQueryElements │ ├── GroupQuery.java │ ├── IGroupQuery.java │ ├── IJoinQuery.java │ ├── IOrderQuery.java │ ├── ISelectQuery.java │ ├── IWhereQuery.java │ ├── JoinMethods │ │ ├── IInnerJoinMethods.java │ │ ├── ILeftJoinMethods.java │ │ ├── IRightJoinMethods.java │ │ └── JoinMethods.java │ ├── JoinQuery.java │ ├── OrderQuery.java │ ├── SelectQuery.java │ └── WhereQuery.java │ ├── SqlQueryBuilder.java │ ├── SqlQueryBuilderHelper.java │ ├── UpdateQueryElements │ ├── IUpdateQuery.java │ ├── IWhereQuery.java │ ├── UpdateQuery.java │ └── WhereQuery.java │ └── Utils │ └── StringHelper.java ├── SqlQueryBuilderTest ├── pom.xml └── src │ └── test │ └── java │ ├── SqlDeleteQueryBuilderTest.java │ ├── SqlInsertQueryBuilderTest.java │ ├── SqlSelectQueryBuilderTest.java │ └── SqlUpdateQueryBuilderTest.java └── pom.xml /.github/workflows/ci.yml: -------------------------------------------------------------------------------- 1 | name: CI 2 | 3 | on: 4 | workflow_dispatch: 5 | push: 6 | branches: [ "master" ] 7 | pull_request: 8 | branches: [ "master" ] 9 | 10 | 11 | jobs: 12 | build: 13 | 14 | runs-on: ubuntu-latest 15 | 16 | steps: 17 | - uses: actions/checkout@v3 18 | - name: Set up JDK 11 19 | uses: actions/setup-java@v3 20 | with: 21 | java-version: '11' 22 | distribution: 'temurin' 23 | cache: maven 24 | 25 | - name: Get version number 26 | run: | 27 | echo "APP_VERSION=1.0.$BUILD_ID-SNAPSHOT" >> $GITHUB_ENV 28 | env: 29 | BUILD_ID: ${{ github.run_id }}${{ github.run_attempt }} 30 | 31 | - name: Update version number 32 | run: mvn versions:set -DnewVersion=$APP_VERSION 33 | working-directory: ./SqlQueryBuilder 34 | 35 | - name: Build with Maven 36 | run: mvn -B package --file ./SqlQueryBuilder/pom.xml 37 | 38 | - name: Run unit tests 39 | run: mvn test 40 | 41 | - name: Publish test results 42 | uses: dorny/test-reporter@v1 43 | if: success() || failure() 44 | with: 45 | name: Unit Tests 46 | path: ./**/surefire-reports/*.xml 47 | reporter: java-junit 48 | 49 | - name: Update dependency graph 50 | uses: advanced-security/maven-dependency-submission-action@571e99aab1055c2e71a1e2309b9691de18d6b7d6 51 | with: 52 | directory: ./SqlQueryBuilder -------------------------------------------------------------------------------- /.github/workflows/codeql.yml: -------------------------------------------------------------------------------- 1 | # For most projects, this workflow file will not need changing; you simply need 2 | # to commit it to your repository. 3 | # 4 | # You may wish to alter this file to override the set of languages analyzed, 5 | # or to provide custom queries or build logic. 6 | # 7 | # ******** NOTE ******** 8 | # We have attempted to detect the languages in your repository. Please check 9 | # the `language` matrix defined below to confirm you have the correct set of 10 | # supported CodeQL languages. 11 | # 12 | name: "CodeQL" 13 | 14 | on: 15 | push: 16 | branches: [ "master" ] 17 | pull_request: 18 | # The branches below must be a subset of the branches above 19 | branches: [ "master" ] 20 | schedule: 21 | - cron: '45 0 * * 1' 22 | 23 | jobs: 24 | analyze: 25 | name: Analyze 26 | runs-on: ${{ (matrix.language == 'swift' && 'macos-latest') || 'ubuntu-latest' }} 27 | timeout-minutes: ${{ (matrix.language == 'swift' && 120) || 360 }} 28 | permissions: 29 | actions: read 30 | contents: read 31 | security-events: write 32 | 33 | strategy: 34 | fail-fast: false 35 | matrix: 36 | language: [ 'java' ] 37 | # CodeQL supports [ 'cpp', 'csharp', 'go', 'java', 'javascript', 'python', 'ruby', 'swift' ] 38 | # Use only 'java' to analyze code written in Java, Kotlin or both 39 | # Use only 'javascript' to analyze code written in JavaScript, TypeScript or both 40 | # Learn more about CodeQL language support at https://aka.ms/codeql-docs/language-support 41 | 42 | steps: 43 | - name: Checkout repository 44 | uses: actions/checkout@v3 45 | 46 | # Initializes the CodeQL tools for scanning. 47 | - name: Initialize CodeQL 48 | uses: github/codeql-action/init@v2 49 | with: 50 | languages: ${{ matrix.language }} 51 | # If you wish to specify custom queries, you can do so here or in a config file. 52 | # By default, queries listed here will override any specified in a config file. 53 | # Prefix the list here with "+" to use these queries and those in the config file. 54 | 55 | # For more details on CodeQL's query packs, refer to: https://docs.github.com/en/code-security/code-scanning/automatically-scanning-your-code-for-vulnerabilities-and-errors/configuring-code-scanning#using-queries-in-ql-packs 56 | # queries: security-extended,security-and-quality 57 | 58 | # Build 59 | - name: Set up JDK 11 60 | uses: actions/setup-java@v3 61 | with: 62 | java-version: '11' 63 | distribution: 'temurin' 64 | cache: maven 65 | - name: Build with Maven 66 | run: mvn -B package 67 | 68 | - name: Perform CodeQL Analysis 69 | uses: github/codeql-action/analyze@v2 70 | with: 71 | category: "/language:${{matrix.language}}" 72 | -------------------------------------------------------------------------------- /.gitignore: -------------------------------------------------------------------------------- 1 | # Compiled class file 2 | *.class 3 | 4 | # Log file 5 | *.log 6 | 7 | # BlueJ files 8 | *.ctxt 9 | 10 | # Mobile Tools for Java (J2ME) 11 | .mtj.tmp/ 12 | 13 | # Package Files # 14 | *.war 15 | *.ear 16 | *.zip 17 | *.tar.gz 18 | *.rar 19 | 20 | # User-specific stuff: 21 | .idea/**/workspace.xml 22 | .idea/**/tasks.xml 23 | .idea/dictionaries 24 | .idea/**/vcs.xml 25 | .idea/misc.xml 26 | 27 | # Sensitive or high-churn files: 28 | .idea/**/dataSources/ 29 | .idea/**/dataSources.ids 30 | .idea/**/dataSources.xml 31 | .idea/**/dataSources.local.xml 32 | .idea/**/sqlDataSources.xml 33 | .idea/**/dynamic.xml 34 | .idea/**/uiDesigner.xml 35 | 36 | # Gradle and Maven with auto-import 37 | # When using Gradle or Maven with auto-import, you should exclude module files, 38 | # since they will be recreated, and may cause churn. 39 | .idea/artifacts 40 | .idea/compiler.xml 41 | .idea/jarRepositories.xml 42 | .idea/modules.xml 43 | .idea/*.iml 44 | .idea/modules 45 | *.iml 46 | *.ipr 47 | 48 | # CMake 49 | cmake-build-debug/ 50 | 51 | # Mongo Explorer plugin: 52 | .idea/**/mongoSettings.xml 53 | 54 | ## File-based project format: 55 | *.iws 56 | 57 | ## Plugin-specific files: 58 | .idea/git_toolbox_prj.xml 59 | 60 | # IntelliJ 61 | out/ 62 | 63 | # mpeltonen/sbt-idea plugin 64 | .idea_modules/ 65 | 66 | # JIRA plugin 67 | atlassian-ide-plugin.xml 68 | 69 | # Cursive Clojure plugin 70 | .idea/replstate.xml 71 | 72 | # Sonarlint files 73 | .idea/sonarlint/ 74 | 75 | # Maven 76 | target/ -------------------------------------------------------------------------------- /.idea/artifacts/SqlQueryBuilder.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | $PROJECT_DIR$/ 4 | 5 | 6 | 7 | 8 | -------------------------------------------------------------------------------- /.idea/codeStyles/codeStyleConfig.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 5 | -------------------------------------------------------------------------------- /.idea/encodings.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | -------------------------------------------------------------------------------- /LICENSE.md: -------------------------------------------------------------------------------- 1 | GNU GENERAL PUBLIC LICENSE 2 | Version 3, 29 June 2007 3 | 4 | Copyright (C) 2007 Free Software Foundation, Inc. 5 | Everyone is permitted to copy and distribute verbatim copies 6 | of this license document, but changing it is not allowed. 7 | 8 | Preamble 9 | 10 | The GNU General Public License is a free, copyleft license for 11 | software and other kinds of works. 12 | 13 | The licenses for most software and other practical works are designed 14 | to take away your freedom to share and change the works. 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See the 645 | GNU General Public License for more details. 646 | 647 | You should have received a copy of the GNU General Public License 648 | along with this program. If not, see . 649 | 650 | Also add information on how to contact you by electronic and paper mail. 651 | 652 | If the program does terminal interaction, make it output a short 653 | notice like this when it starts in an interactive mode: 654 | 655 | {project} Copyright (C) {year} {fullname} 656 | This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. 657 | This is free software, and you are welcome to redistribute it 658 | under certain conditions; type `show c' for details. 659 | 660 | The hypothetical commands `show w' and `show c' should show the appropriate 661 | parts of the General Public License. Of course, your program's commands 662 | might be different; for a GUI interface, you would use an "about box". 663 | 664 | You should also get your employer (if you work as a programmer) or school, 665 | if any, to sign a "copyright disclaimer" for the program, if necessary. 666 | For more information on this, and how to apply and follow the GNU GPL, see 667 | . 668 | 669 | The GNU General Public License does not permit incorporating your program 670 | into proprietary programs. If your program is a subroutine library, you 671 | may consider it more useful to permit linking proprietary applications with 672 | the library. If this is what you want to do, use the GNU Lesser General 673 | Public License instead of this License. But first, please read 674 | . -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # SQL Query Builder 2 | 3 | Just another SQL query builder focused on Java legacy projects. 4 | You will not have to modify any of your existing code to start using this when adding new functionality in your project. 5 | 6 | [![CI](https://github.com/geevisoft/sql-query-builder/actions/workflows/ci.yml/badge.svg)](https://github.com/geevisoft/sql-query-builder/actions/workflows/ci.yml) 7 | [![License: GPL v3](https://img.shields.io/badge/License-GPLv3-blue.svg)](https://www.gnu.org/licenses/gpl-3.0) 8 | 9 | ## Getting Started 10 | 11 | Load [SqlQueryBuilder.jar](SqlQueryBuilder.jar) as a library in your project 12 | 13 | ### Prerequisites 14 | 15 | It's built on Java 6, so it will fit in most of your projects. 16 | 17 | ### Samples 18 | 19 | ###### Select query 20 | ```java 21 | String builder = new SqlQueryBuilder(); 22 | String query = builder 23 | .select() 24 | .from("Users") 25 | .innerJoin("Clients", "ClientID", "ID") 26 | .whereEqual("LastName", "Doe") 27 | .orderBy("FirstName") 28 | .query(); 29 | ``` 30 | 31 | ###### Update query 32 | ```java 33 | String builder = new SqlQueryBuilder(); 34 | String query = builder 35 | .update("Users") 36 | .set("FirstName", "John") 37 | .set("Age", 21) 38 | .whereEqual("ID", 1) 39 | .query(); 40 | ``` 41 | 42 | ###### Insert query 43 | ```java 44 | String builder = new SqlQueryBuilder(); 45 | String query = builder 46 | .insertInto("Users") 47 | .value("FirstName", "John") 48 | .value("LastName", "Doe") 49 | .value("Age", 21) 50 | .query(); 51 | ``` 52 | 53 | ###### Delete query 54 | ```java 55 | String builder = new SqlQueryBuilder(); 56 | String query = builder 57 | .delete("Users") 58 | .whereEquals("ID", 1) 59 | .query(); 60 | ``` 61 | 62 | ###### More examples 63 | You have more examples in the [test project](SqlQueryBuilderTest). 64 | 65 | 66 | ## Contributing 67 | 68 | No rules yet. 69 | 70 | ## License 71 | 72 | This project is licensed under the MIT License - see the [LICENSE.md](LICENSE.md) file for details 73 | 74 | ## Acknowledgments 75 | 76 | * Avoid to write raw queries in old projects where no framework was used. 77 | * Don't have to edit any other file except the one where you "want" to add functionality. 78 | 79 | -------------------------------------------------------------------------------- /SqlQueryBuilder/pom.xml: -------------------------------------------------------------------------------- 1 | 2 | 5 | 4.0.0 6 | 7 | com.geevisoft 8 | SqlQueryBuilder 9 | 1.0-SNAPSHOT 10 | 11 | 12 | 1.7 13 | 1.7 14 | UTF-8 15 | 16 | 17 | 18 | com.google.guava 19 | guava 20 | 20.0 21 | compile 22 | 23 | 24 | 25 | -------------------------------------------------------------------------------- /SqlQueryBuilder/src/main/java/DeleteQueryElements/DeleteQuery.java: -------------------------------------------------------------------------------- 1 | package DeleteQueryElements; 2 | 3 | import QueryElements.FinishableQuery; 4 | import QueryElements.IFinishableQuery; 5 | import QueryElements.Query; 6 | 7 | public class DeleteQuery extends Query implements IDeleteQuery { 8 | 9 | public DeleteQuery(String query) { 10 | this.previousQuery = query; 11 | } 12 | 13 | public IFinishableQuery where(String clause){ 14 | localClause = String.format("WHERE %s", clause); 15 | return new FinishableQuery(formattedQuery()); 16 | } 17 | 18 | public IFinishableQuery whereEquals(String column, String value){ 19 | String clause = String.format("%s='%s'", column, value); 20 | return where(clause); 21 | } 22 | 23 | public IFinishableQuery whereEquals(String column, int value){ 24 | String clause = String.format("%s=%d", column, value); 25 | return where(clause); 26 | } 27 | } 28 | -------------------------------------------------------------------------------- /SqlQueryBuilder/src/main/java/DeleteQueryElements/IDeleteQuery.java: -------------------------------------------------------------------------------- 1 | package DeleteQueryElements; 2 | 3 | import QueryElements.IFinishableQuery; 4 | 5 | public interface IDeleteQuery { 6 | 7 | IFinishableQuery where(String clause); 8 | 9 | IFinishableQuery whereEquals(String column, String value); 10 | 11 | IFinishableQuery whereEquals(String column, int value); 12 | } 13 | -------------------------------------------------------------------------------- /SqlQueryBuilder/src/main/java/InsertQueryElements/IInsertQuery.java: -------------------------------------------------------------------------------- 1 | package InsertQueryElements; 2 | 3 | public interface IInsertQuery { 4 | 5 | IInsertRestOfValuesQuery value(String column, String value); 6 | 7 | IInsertRestOfValuesQuery value(String column, int value); 8 | 9 | IInsertRestOfValuesQuery value(String column, double value); 10 | 11 | IInsertRestOfValuesQuery value(String column, boolean value); 12 | 13 | } 14 | -------------------------------------------------------------------------------- /SqlQueryBuilder/src/main/java/InsertQueryElements/IInsertRestOfValuesQuery.java: -------------------------------------------------------------------------------- 1 | package InsertQueryElements; 2 | 3 | import QueryElements.IFinishableQuery; 4 | 5 | public interface IInsertRestOfValuesQuery extends IInsertQuery, IFinishableQuery { 6 | } 7 | -------------------------------------------------------------------------------- /SqlQueryBuilder/src/main/java/InsertQueryElements/InsertQuery.java: -------------------------------------------------------------------------------- 1 | package InsertQueryElements; 2 | 3 | import QueryElements.Query; 4 | 5 | import java.util.ArrayList; 6 | import java.util.List; 7 | 8 | public class InsertQuery extends Query implements IInsertQuery { 9 | 10 | protected final List columns; 11 | protected final List values; 12 | 13 | public InsertQuery(String query) { 14 | this.previousQuery = query; 15 | this.columns = new ArrayList(); 16 | this.values = new ArrayList(); 17 | } 18 | 19 | public InsertQuery(String query, String column, String value){ 20 | this(query); 21 | columns.add(column); 22 | values.add(value); 23 | } 24 | 25 | // 26 | public IInsertRestOfValuesQuery value(String column, String value){ 27 | String escapedValue = String.format("'%s'", value); 28 | return setValue(column, escapedValue); 29 | } 30 | 31 | public IInsertRestOfValuesQuery value(String column, int value){ 32 | return setValue(column, String.valueOf(value)); 33 | } 34 | 35 | public IInsertRestOfValuesQuery value(String column, double value){ 36 | return setValue(column, String.valueOf(value)); 37 | } 38 | 39 | public IInsertRestOfValuesQuery value(String column, boolean value){ 40 | return value(column, value ? 1 : 0); 41 | } 42 | 43 | protected IInsertRestOfValuesQuery setValue(String column, String value){ 44 | return new InsertRestOfValuesQuery(previousQuery, column, value); 45 | } 46 | // 47 | 48 | } 49 | -------------------------------------------------------------------------------- /SqlQueryBuilder/src/main/java/InsertQueryElements/InsertRestOfValuesQuery.java: -------------------------------------------------------------------------------- 1 | package InsertQueryElements; 2 | 3 | import QueryElements.FinishableQuery; 4 | import Utils.StringHelper; 5 | 6 | public class InsertRestOfValuesQuery extends InsertQuery implements IInsertRestOfValuesQuery { 7 | 8 | public InsertRestOfValuesQuery(String query, String column, String value) { 9 | super(query, column, value); 10 | } 11 | 12 | @Override 13 | protected InsertRestOfValuesQuery setValue(String column, String value) { 14 | columns.add(column); 15 | values.add(value); 16 | return this; 17 | } 18 | 19 | @Override 20 | public String query() { 21 | String columns = StringHelper.join(", ", this.columns); 22 | String values = StringHelper.join(", ", this.values); 23 | localClause = String.format("(%s) VALUES (%s)", columns, values); 24 | return new FinishableQuery(formattedQuery()).query(); 25 | } 26 | } 27 | -------------------------------------------------------------------------------- /SqlQueryBuilder/src/main/java/QueryElements/FinishableQuery.java: -------------------------------------------------------------------------------- 1 | package QueryElements; 2 | 3 | public class FinishableQuery extends Query implements IFinishableQuery { 4 | 5 | public FinishableQuery(String query) { 6 | this.previousQuery = query; 7 | } 8 | 9 | @Override 10 | public String query() { 11 | return previousQuery; 12 | } 13 | 14 | } 15 | -------------------------------------------------------------------------------- /SqlQueryBuilder/src/main/java/QueryElements/IFinishableQuery.java: -------------------------------------------------------------------------------- 1 | package QueryElements; 2 | 3 | public interface IFinishableQuery { 4 | 5 | String query(); 6 | } 7 | -------------------------------------------------------------------------------- /SqlQueryBuilder/src/main/java/QueryElements/Query.java: -------------------------------------------------------------------------------- 1 | package QueryElements; 2 | 3 | public class Query { 4 | 5 | /** 6 | * Query built until now 7 | */ 8 | protected String previousQuery; 9 | 10 | /** 11 | * Clause build in this class 12 | */ 13 | protected String localClause; 14 | 15 | /** 16 | * Formatted query of joining the query until now and the clause built in this class 17 | * @return 18 | */ 19 | protected String formattedQuery(){ 20 | return String.format("%s %s", previousQuery, localClause); 21 | } 22 | 23 | protected String equal(String left, int right){ 24 | return String.format("%s=%d", left, right); 25 | } 26 | 27 | protected String equal(String left, String right){ 28 | return String.format("%s='%s'", left, right); 29 | } 30 | 31 | } 32 | -------------------------------------------------------------------------------- /SqlQueryBuilder/src/main/java/SelectQueryElements/GroupQuery.java: -------------------------------------------------------------------------------- 1 | package SelectQueryElements; 2 | 3 | /** 4 | * Element at almost the end of the query, capable of group and order 5 | */ 6 | public class GroupQuery extends OrderQuery implements IGroupQuery { 7 | 8 | protected GroupQuery(String query) { 9 | super(query); 10 | } 11 | 12 | public IOrderQuery groupBy(String firstColumn, String... otherColumns){ 13 | String columnQuery = columnQuery(firstColumn, otherColumns); 14 | localClause = String.format("GROUP BY %s", columnQuery); 15 | return groupByQuery(); 16 | } 17 | 18 | private IOrderQuery groupByQuery(){ 19 | return new OrderQuery(formattedQuery()); 20 | } 21 | 22 | } 23 | -------------------------------------------------------------------------------- /SqlQueryBuilder/src/main/java/SelectQueryElements/IGroupQuery.java: -------------------------------------------------------------------------------- 1 | package SelectQueryElements; 2 | 3 | public interface IGroupQuery extends IOrderQuery { 4 | 5 | /** 6 | * Group query by given column(s) 7 | * @param firstColumn 8 | * @param otherColumns 9 | * @return 10 | */ 11 | IOrderQuery groupBy(String firstColumn, String... otherColumns); 12 | 13 | } 14 | -------------------------------------------------------------------------------- /SqlQueryBuilder/src/main/java/SelectQueryElements/IJoinQuery.java: -------------------------------------------------------------------------------- 1 | package SelectQueryElements; 2 | 3 | import SelectQueryElements.JoinMethods.IInnerJoinMethods; 4 | import SelectQueryElements.JoinMethods.ILeftJoinMethods; 5 | import SelectQueryElements.JoinMethods.IRightJoinMethods; 6 | 7 | public interface IJoinQuery extends 8 | IInnerJoinMethods, 9 | ILeftJoinMethods, 10 | IRightJoinMethods, 11 | IWhereQuery { 12 | 13 | } 14 | -------------------------------------------------------------------------------- /SqlQueryBuilder/src/main/java/SelectQueryElements/IOrderQuery.java: -------------------------------------------------------------------------------- 1 | package SelectQueryElements; 2 | 3 | import QueryElements.IFinishableQuery; 4 | 5 | public interface IOrderQuery extends IFinishableQuery { 6 | 7 | /** 8 | * Order query by given column(s) 9 | * @param firstColumn 10 | * @param otherColumns 11 | * @return 12 | */ 13 | IFinishableQuery orderBy(String firstColumn, String... otherColumns); 14 | 15 | /** 16 | * Order query descending by given column(s) 17 | * @param firstColumn 18 | * @param otherColumns 19 | * @return 20 | */ 21 | IFinishableQuery orderByDescending(String firstColumn, String... otherColumns); 22 | 23 | } 24 | -------------------------------------------------------------------------------- /SqlQueryBuilder/src/main/java/SelectQueryElements/ISelectQuery.java: -------------------------------------------------------------------------------- 1 | package SelectQueryElements; 2 | 3 | public interface ISelectQuery { 4 | 5 | /** 6 | * Retrieve columns from given table 7 | * @param table 8 | * @return 9 | */ 10 | IJoinQuery from(String table); 11 | 12 | /** 13 | * Retrieve columns from given table (named as given alias) 14 | * @param table 15 | * @param alias 16 | * @return 17 | */ 18 | IJoinQuery from(String table, String alias); 19 | } 20 | -------------------------------------------------------------------------------- /SqlQueryBuilder/src/main/java/SelectQueryElements/IWhereQuery.java: -------------------------------------------------------------------------------- 1 | package SelectQueryElements; 2 | 3 | public interface IWhereQuery extends IGroupQuery { 4 | 5 | /** 6 | * Filter query with given where clause 7 | * @param clause 8 | * @return 9 | */ 10 | IGroupQuery where(String clause); 11 | 12 | /** 13 | * Filter query with given equality as clause 14 | * @param column 15 | * @param value 16 | * @return 17 | */ 18 | IGroupQuery whereEqual(String column, String value); 19 | 20 | /** 21 | * Filter query with given equality as clause 22 | * @param column 23 | * @param value 24 | * @return 25 | */ 26 | IGroupQuery whereEqual(String column, int value); 27 | 28 | /** 29 | * Filter query with given inclusion as clause 30 | * @param column 31 | * @param values 32 | * @return 33 | */ 34 | IGroupQuery whereIn(String column, String ...values); 35 | 36 | /** 37 | * Filter query with given inclusion as clause 38 | * @param column 39 | * @param values 40 | * @return 41 | */ 42 | IGroupQuery whereIn(String column, int ...values); 43 | 44 | /** 45 | * Filter query with given inclusion as clause 46 | * @param column 47 | * @param values 48 | * @return 49 | */ 50 | IGroupQuery whereIn(String column, double ...values); 51 | 52 | } 53 | -------------------------------------------------------------------------------- /SqlQueryBuilder/src/main/java/SelectQueryElements/JoinMethods/IInnerJoinMethods.java: -------------------------------------------------------------------------------- 1 | package SelectQueryElements.JoinMethods; 2 | 3 | import SelectQueryElements.IJoinQuery; 4 | 5 | public interface IInnerJoinMethods { 6 | 7 | /** 8 | * Make inner join with given table and clause 9 | * @param table 10 | * @param clause 11 | * @return 12 | */ 13 | IJoinQuery innerJoin(String table, String clause); 14 | 15 | /** 16 | * Make inner join with given table (named as given alias) and clause 17 | * @param table 18 | * @param alias 19 | * @param clause 20 | * @return 21 | */ 22 | IJoinQuery innerJoinAs(String table, String alias, String clause); 23 | 24 | /** 25 | * Make inner join with given table and default equality clause 26 | * @param table 27 | * @param oneColumn 28 | * @param anotherColumn 29 | * @return 30 | */ 31 | IJoinQuery innerJoin(String table, String oneColumn, String anotherColumn); 32 | 33 | /** 34 | * Make inner join with given table, default equality clause and other complementary clause 35 | * @param table 36 | * @param oneColumn 37 | * @param anotherColumn 38 | * @param otherClauses 39 | * @return 40 | */ 41 | IJoinQuery innerJoin(String table, String oneColumn, String anotherColumn, String otherClauses); 42 | 43 | } 44 | -------------------------------------------------------------------------------- /SqlQueryBuilder/src/main/java/SelectQueryElements/JoinMethods/ILeftJoinMethods.java: -------------------------------------------------------------------------------- 1 | package SelectQueryElements.JoinMethods; 2 | 3 | import SelectQueryElements.IJoinQuery; 4 | 5 | public interface ILeftJoinMethods { 6 | 7 | /** 8 | * Make left join with given table and clause 9 | * @param table 10 | * @param clause 11 | * @return 12 | */ 13 | IJoinQuery leftJoin(String table, String clause); 14 | 15 | /** 16 | * Make left join with given table (named as given alias) and clause 17 | * @param table 18 | * @param alias 19 | * @param clause 20 | * @return 21 | */ 22 | IJoinQuery leftJoinAs(String table, String alias, String clause); 23 | 24 | /** 25 | * Make left join with given table and default equality clause 26 | * @param table 27 | * @param oneColumn 28 | * @param anotherColumn 29 | * @return 30 | */ 31 | IJoinQuery leftJoin(String table, String oneColumn, String anotherColumn); 32 | 33 | /** 34 | * Make left join with given table, default equality clause and other complementary clause 35 | * @param table 36 | * @param oneColumn 37 | * @param anotherColumn 38 | * @param otherClauses 39 | * @return 40 | */ 41 | IJoinQuery leftJoin(String table, String oneColumn, String anotherColumn, String otherClauses); 42 | 43 | } 44 | -------------------------------------------------------------------------------- /SqlQueryBuilder/src/main/java/SelectQueryElements/JoinMethods/IRightJoinMethods.java: -------------------------------------------------------------------------------- 1 | package SelectQueryElements.JoinMethods; 2 | 3 | import SelectQueryElements.IJoinQuery; 4 | 5 | public interface IRightJoinMethods { 6 | 7 | /** 8 | * Make right join with given table and clause 9 | * @param table 10 | * @param clause 11 | * @return 12 | */ 13 | IJoinQuery rightJoin(String table, String clause); 14 | 15 | /** 16 | * Make right join with given table (named as given alias) and clause 17 | * @param table 18 | * @param alias 19 | * @param clause 20 | * @return 21 | */ 22 | IJoinQuery rightJoinAs(String table, String alias, String clause); 23 | 24 | /** 25 | * Make right join with given table and default equality 26 | * @param table 27 | * @param oneColumn 28 | * @param anotherColumn 29 | * @return 30 | */ 31 | IJoinQuery rightJoin(String table, String oneColumn, String anotherColumn); 32 | 33 | /** 34 | * Make right join with given table, default equality and other complementary clause 35 | * @param table 36 | * @param oneColumn 37 | * @param anotherColumn 38 | * @param otherClauses 39 | * @return 40 | */ 41 | IJoinQuery rightJoin(String table, String oneColumn, String anotherColumn, String otherClauses); 42 | } 43 | -------------------------------------------------------------------------------- /SqlQueryBuilder/src/main/java/SelectQueryElements/JoinMethods/JoinMethods.java: -------------------------------------------------------------------------------- 1 | package SelectQueryElements.JoinMethods; 2 | 3 | import SelectQueryElements.GroupQuery; 4 | import SelectQueryElements.IJoinQuery; 5 | import SelectQueryElements.JoinQuery; 6 | 7 | public class JoinMethods extends GroupQuery { 8 | 9 | private final String type; 10 | 11 | public JoinMethods(String query, String type) { 12 | super(query); 13 | this.type = type; 14 | } 15 | 16 | public IJoinQuery join(String table, String clause){ 17 | localClause = String.format("%s JOIN %s ON %s", type, table, clause); 18 | return joinQuery(); 19 | } 20 | 21 | public IJoinQuery joinAs(String table, String alias, String clause){ 22 | localClause = String.format("%s JOIN %s %s ON %s", type, table, alias, clause); 23 | return joinQuery(); 24 | } 25 | 26 | public IJoinQuery join(String table, String oneColumn, String anotherColumn){ 27 | String clause = String.format("%s=%s", oneColumn, anotherColumn); 28 | return join(table, clause); 29 | } 30 | 31 | public IJoinQuery join(String table, String oneColumn, String anotherColumn, String otherClauses){ 32 | localClause = String.format("%s %s", join(table, oneColumn, anotherColumn), otherClauses); 33 | return joinQuery(); 34 | } 35 | 36 | private IJoinQuery joinQuery(){ 37 | return new JoinQuery(formattedQuery()); 38 | } 39 | } -------------------------------------------------------------------------------- /SqlQueryBuilder/src/main/java/SelectQueryElements/JoinQuery.java: -------------------------------------------------------------------------------- 1 | package SelectQueryElements; 2 | 3 | import SelectQueryElements.JoinMethods.JoinMethods; 4 | 5 | /** 6 | * Element in the middle of the query, still capable of a lot of method calls 7 | */ 8 | public class JoinQuery extends WhereQuery implements IJoinQuery { 9 | 10 | public JoinQuery(String query) { 11 | super(query); 12 | } 13 | 14 | // 15 | public IJoinQuery innerJoin(String table, String clause){ 16 | return innerJoin().join(table, clause); 17 | } 18 | 19 | public IJoinQuery innerJoinAs(String table, String alias, String clause){ 20 | return innerJoin().joinAs(table, alias, clause); 21 | } 22 | 23 | public IJoinQuery innerJoin(String table, String oneColumn, String anotherColumn){ 24 | return innerJoin().join(table, oneColumn, anotherColumn); 25 | } 26 | 27 | public IJoinQuery innerJoin(String table, String oneColumn, String anotherColumn, String otherClauses){ 28 | return innerJoin().join(table, oneColumn, anotherColumn, otherClauses); 29 | } 30 | // 31 | 32 | // 33 | public IJoinQuery leftJoin(String table, String clause){ 34 | return leftJoin().join(table, clause); 35 | } 36 | 37 | public IJoinQuery leftJoinAs(String table, String alias, String clause){ 38 | return leftJoin().joinAs(table, alias, clause); 39 | } 40 | 41 | public IJoinQuery leftJoin(String table, String oneColumn, String anotherColumn){ 42 | return leftJoin().join(table, oneColumn, anotherColumn); 43 | } 44 | 45 | public IJoinQuery leftJoin(String table, String oneColumn, String anotherColumn, String otherClauses){ 46 | return leftJoin().join(table, oneColumn, anotherColumn, otherClauses); 47 | } 48 | // 49 | 50 | // 51 | public IJoinQuery rightJoin(String table, String clause){ 52 | return rightJoin().join(table, clause); 53 | } 54 | 55 | public IJoinQuery rightJoinAs(String table, String alias, String clause){ 56 | return rightJoin().joinAs(table, alias, clause); 57 | } 58 | 59 | public IJoinQuery rightJoin(String table, String oneColumn, String anotherColumn){ 60 | return rightJoin().join(table, oneColumn, anotherColumn); 61 | } 62 | 63 | public IJoinQuery rightJoin(String table, String oneColumn, String anotherColumn, String otherClauses){ 64 | return rightJoin().join(table, oneColumn, anotherColumn, otherClauses); 65 | } 66 | // 67 | 68 | private JoinMethods innerJoin(){ 69 | return new JoinMethods(query(), "INNER"); 70 | } 71 | 72 | private JoinMethods leftJoin(){ 73 | return new JoinMethods(query(), "LEFT"); 74 | } 75 | 76 | private JoinMethods rightJoin(){ 77 | return new JoinMethods(query(), "RIGHT"); 78 | } 79 | } 80 | -------------------------------------------------------------------------------- /SqlQueryBuilder/src/main/java/SelectQueryElements/OrderQuery.java: -------------------------------------------------------------------------------- 1 | package SelectQueryElements; 2 | 3 | import QueryElements.FinishableQuery; 4 | import QueryElements.IFinishableQuery; 5 | import Utils.StringHelper; 6 | 7 | import java.util.ArrayList; 8 | import java.util.Arrays; 9 | 10 | public class OrderQuery extends FinishableQuery implements IOrderQuery { 11 | 12 | protected OrderQuery(String query) { 13 | super(query); 14 | } 15 | 16 | public IFinishableQuery orderBy(String firstColumn, String... otherColumns){ 17 | return orderBy(StringHelper.EMPTY, firstColumn, otherColumns); 18 | } 19 | 20 | public IFinishableQuery orderByDescending(String firstColumn, String... otherColumns){ 21 | return orderBy("DESC", firstColumn, otherColumns); 22 | } 23 | 24 | private IFinishableQuery orderBy(String direction, String firstColumn, String... otherColumns){ 25 | String columnQuery = columnQuery(firstColumn, otherColumns); 26 | if(StringHelper.isNullOrEmpty(direction)){ 27 | localClause = String.format("ORDER BY %s", columnQuery); 28 | } else { 29 | localClause = String.format("ORDER BY %s %s", columnQuery, direction); 30 | } 31 | return orderByQuery(); 32 | } 33 | 34 | private IFinishableQuery orderByQuery(){ 35 | return new FinishableQuery(formattedQuery()); 36 | } 37 | 38 | protected String columnQuery(String firstColumn, String... otherColumns){ 39 | ArrayList columns = new ArrayList(Arrays.asList(otherColumns)); 40 | columns.add(0, firstColumn); 41 | return StringHelper.join(", ", columns); 42 | } 43 | } 44 | -------------------------------------------------------------------------------- /SqlQueryBuilder/src/main/java/SelectQueryElements/SelectQuery.java: -------------------------------------------------------------------------------- 1 | package SelectQueryElements; 2 | 3 | public class SelectQuery implements ISelectQuery { 4 | 5 | private final String previousQuery; 6 | private String selectClause; 7 | 8 | public SelectQuery(String selectQuery) { 9 | this.previousQuery = selectQuery; 10 | } 11 | 12 | public IJoinQuery from(String table){ 13 | selectClause = String.format("FROM %s", table); 14 | return fromQuery(); 15 | } 16 | 17 | public IJoinQuery from(String table, String alias){ 18 | selectClause = String.format("FROM %s %s", table, alias); 19 | return fromQuery(); 20 | } 21 | 22 | private IJoinQuery fromQuery(){ 23 | String formattedQuery = String.format("%s %s", previousQuery, selectClause); 24 | return new JoinQuery(formattedQuery); 25 | } 26 | 27 | } 28 | -------------------------------------------------------------------------------- /SqlQueryBuilder/src/main/java/SelectQueryElements/WhereQuery.java: -------------------------------------------------------------------------------- 1 | package SelectQueryElements; 2 | 3 | import Utils.StringHelper; 4 | 5 | /** 6 | * Capable of where, group and order 7 | */ 8 | public class WhereQuery extends GroupQuery implements IWhereQuery { 9 | 10 | protected WhereQuery(String query) { 11 | super(query); 12 | } 13 | 14 | public IGroupQuery where(String clause){ 15 | localClause = String.format("WHERE %s", clause); 16 | return whereQuery(); 17 | } 18 | 19 | public IGroupQuery whereEqual(String column, String value){ 20 | String clause = equal(column, value); 21 | return where(clause); 22 | } 23 | 24 | public IGroupQuery whereEqual(String column, int value){ 25 | String clause = equal(column, value); 26 | return where(clause); 27 | } 28 | 29 | public IGroupQuery whereIn(String column, String ...values){ 30 | String inValues = StringHelper.joinAndQuote(", ", values); 31 | return whereIn(column, inValues); 32 | } 33 | 34 | public IGroupQuery whereIn(String column, int ...values){ 35 | String inValues = StringHelper.join(", ", values); 36 | return whereIn(column, inValues); 37 | } 38 | 39 | public IGroupQuery whereIn(String column, double ...values){ 40 | String inValues = StringHelper.join(", ", values); 41 | return whereIn(column, inValues); 42 | } 43 | 44 | private IGroupQuery whereIn(String column, String inValues){ 45 | String clause = String.format("%s IN (%s)", column, inValues); 46 | return where(clause); 47 | } 48 | 49 | private IGroupQuery whereQuery(){ 50 | return new GroupQuery(formattedQuery()); 51 | } 52 | 53 | } 54 | -------------------------------------------------------------------------------- /SqlQueryBuilder/src/main/java/SqlQueryBuilder.java: -------------------------------------------------------------------------------- 1 | import DeleteQueryElements.DeleteQuery; 2 | import DeleteQueryElements.IDeleteQuery; 3 | import InsertQueryElements.IInsertQuery; 4 | import InsertQueryElements.InsertQuery; 5 | import SelectQueryElements.ISelectQuery; 6 | import SelectQueryElements.SelectQuery; 7 | import UpdateQueryElements.IUpdateQuery; 8 | import UpdateQueryElements.UpdateQuery; 9 | import Utils.StringHelper; 10 | 11 | public class SqlQueryBuilder { 12 | 13 | /** 14 | * Select given columns. If not columns are passed, all columns will be retrieved 15 | * @param columns 16 | * @return 17 | */ 18 | public ISelectQuery select(String... columns){ 19 | String columnQuery = columns.length == 0 ? "*" : StringHelper.join(", ", columns); 20 | String formattedQuery = String.format("SELECT %s", columnQuery); 21 | return new SelectQuery(formattedQuery); 22 | } 23 | 24 | /** 25 | * Select distinct given columns. If not columns are passed, all columns will be retrieved 26 | * @param columns 27 | * @return 28 | */ 29 | public ISelectQuery selectDistinct(String... columns){ 30 | String columnQuery = columns.length == 0 ? "*" : StringHelper.join(", ", columns); 31 | String formattedQuery = String.format("SELECT DISTINCT %s", columnQuery); 32 | return new SelectQuery(formattedQuery); 33 | } 34 | 35 | public IUpdateQuery update(String table){ 36 | String formattedQuery = String.format("UPDATE %s", table); 37 | return new UpdateQuery(formattedQuery); 38 | } 39 | 40 | public IDeleteQuery delete(String table){ 41 | String formattedQuery = String.format("DELETE FROM %s", table); 42 | return new DeleteQuery(formattedQuery); 43 | } 44 | 45 | public IInsertQuery insertInto(String table){ 46 | String formattedQuery = String.format("INSERT INTO %s", table); 47 | return new InsertQuery(formattedQuery); 48 | } 49 | } 50 | -------------------------------------------------------------------------------- /SqlQueryBuilder/src/main/java/SqlQueryBuilderHelper.java: -------------------------------------------------------------------------------- 1 | public class SqlQueryBuilderHelper { 2 | 3 | protected String between(String element, String left, String right){ 4 | return String.format(" (%s BETWEEN %s AND %s) ", element, left, right); 5 | } 6 | 7 | protected String sum(String column){ 8 | return String.format(" sum(%s) ", column); 9 | } 10 | 11 | protected String and(String clause){ 12 | return String.format(" AND %s", clause); 13 | } 14 | 15 | protected String isNull(String element){ 16 | return String.format(" %s is null ", element); 17 | } 18 | 19 | } 20 | -------------------------------------------------------------------------------- /SqlQueryBuilder/src/main/java/UpdateQueryElements/IUpdateQuery.java: -------------------------------------------------------------------------------- 1 | package UpdateQueryElements; 2 | 3 | public interface IUpdateQuery extends IWhereQuery { 4 | 5 | IUpdateQuery set(String column, String value); 6 | 7 | IUpdateQuery set(String column, int value); 8 | 9 | IUpdateQuery set(String column, double value); 10 | 11 | IUpdateQuery set(String column, boolean value); 12 | 13 | } 14 | -------------------------------------------------------------------------------- /SqlQueryBuilder/src/main/java/UpdateQueryElements/IWhereQuery.java: -------------------------------------------------------------------------------- 1 | package UpdateQueryElements; 2 | 3 | import QueryElements.IFinishableQuery; 4 | 5 | public interface IWhereQuery { 6 | 7 | IFinishableQuery where(String clause); 8 | 9 | IFinishableQuery whereEqual(String column, String value); 10 | 11 | IFinishableQuery whereEqual(String column, int value); 12 | } 13 | -------------------------------------------------------------------------------- /SqlQueryBuilder/src/main/java/UpdateQueryElements/UpdateQuery.java: -------------------------------------------------------------------------------- 1 | package UpdateQueryElements; 2 | 3 | public class UpdateQuery extends WhereQuery implements IUpdateQuery { 4 | 5 | public UpdateQuery(String query) { 6 | super(query); 7 | } 8 | 9 | public IUpdateQuery set(String column, String value){ 10 | String escapedValue = String.format("'%s'", value); 11 | return setValue(column, escapedValue); 12 | } 13 | 14 | public IUpdateQuery set(String column, int value){ 15 | return setValue(column, String.valueOf(value)); 16 | } 17 | 18 | public IUpdateQuery set(String column, double value){ 19 | return setValue(column, String.valueOf(value)); 20 | } 21 | 22 | public IUpdateQuery set(String column, boolean value){ 23 | return set(column, value ? 1 : 0); 24 | } 25 | 26 | private UpdateQuery setValue(String column, String value){ 27 | String set = String.format("%s=%s", column, value); 28 | setValues.add(set); 29 | return this; 30 | } 31 | 32 | } 33 | -------------------------------------------------------------------------------- /SqlQueryBuilder/src/main/java/UpdateQueryElements/WhereQuery.java: -------------------------------------------------------------------------------- 1 | package UpdateQueryElements; 2 | 3 | import QueryElements.FinishableQuery; 4 | import QueryElements.IFinishableQuery; 5 | import QueryElements.Query; 6 | import Utils.StringHelper; 7 | 8 | import java.util.ArrayList; 9 | import java.util.List; 10 | 11 | public class WhereQuery extends Query implements IWhereQuery { 12 | 13 | protected final List setValues; 14 | 15 | public WhereQuery(String query) { 16 | this.previousQuery = query; 17 | setValues = new ArrayList(); 18 | } 19 | 20 | public IFinishableQuery where(String clause){ 21 | String setValuesQuery = StringHelper.join(", ", setValues); 22 | localClause = String.format("SET %s WHERE %s", setValuesQuery, clause); 23 | return whereQuery(); 24 | } 25 | 26 | public IFinishableQuery whereEqual(String column, String value){ 27 | String clause = equal(column, value); 28 | return where(clause); 29 | } 30 | 31 | public IFinishableQuery whereEqual(String column, int value){ 32 | String clause = equal(column, value); 33 | return where(clause); 34 | } 35 | 36 | private IFinishableQuery whereQuery(){ 37 | return new FinishableQuery(formattedQuery()); 38 | } 39 | 40 | } 41 | -------------------------------------------------------------------------------- /SqlQueryBuilder/src/main/java/Utils/StringHelper.java: -------------------------------------------------------------------------------- 1 | package Utils; 2 | 3 | import com.google.common.base.Function; 4 | import com.google.common.base.Functions; 5 | import com.google.common.base.Joiner; 6 | import com.google.common.collect.Lists; 7 | import com.google.common.primitives.Doubles; 8 | import com.google.common.primitives.Ints; 9 | 10 | import java.util.ArrayList; 11 | import java.util.Arrays; 12 | import java.util.Collection; 13 | import java.util.List; 14 | 15 | public class StringHelper { 16 | 17 | private StringHelper() { } 18 | /** 19 | * Returns whether given value is null or empty 20 | * @param value 21 | * @return 22 | */ 23 | public static boolean isNullOrEmpty(String value){ 24 | return value == null || value.equalsIgnoreCase(StringHelper.EMPTY); 25 | } 26 | 27 | public static final String EMPTY = ""; 28 | 29 | public static String join(String delimiter, String[] list){ 30 | Collection collection = new ArrayList(Arrays.asList(list)); 31 | return join(delimiter, collection); 32 | } 33 | 34 | public static String joinAndQuote(String delimiter, String[] list){ 35 | List collection = new ArrayList(Arrays.asList(list)); 36 | Collection quotedCollection = Lists.transform(collection, addQuotes); 37 | return join(delimiter, quotedCollection); 38 | } 39 | 40 | public static String join(String delimiter, int[] list){ 41 | List collection = new ArrayList(Ints.asList(list)); 42 | Collection stringCollection = Lists.transform(collection, Functions.toStringFunction()); 43 | return join(delimiter, stringCollection); 44 | } 45 | 46 | public static String join(String delimiter, double[] list){ 47 | List collection = new ArrayList(Doubles.asList(list)); 48 | Collection stringCollection = Lists.transform(collection, Functions.toStringFunction()); 49 | return join(delimiter, stringCollection); 50 | } 51 | 52 | public static String join(String delimiter, Collection collection){ 53 | return Joiner.on(delimiter).join(collection); 54 | } 55 | 56 | private static final Function addQuotes = new Function() { 57 | @Override public String apply(String s) { 58 | return new StringBuilder(s.length()+2) 59 | .append('\'') 60 | .append(s) 61 | .append('\'') 62 | .toString(); 63 | } 64 | }; 65 | } 66 | -------------------------------------------------------------------------------- /SqlQueryBuilderTest/pom.xml: -------------------------------------------------------------------------------- 1 | 2 | 5 | 4.0.0 6 | 7 | com.geevisoft 8 | SqlQueryBuilderTest 9 | 1.0-SNAPSHOT 10 | 11 | 12 | 9 13 | 9 14 | UTF-8 15 | 16 | 17 | 18 | 19 | 20 | org.junit.jupiter 21 | junit-jupiter 22 | 5.9.3 23 | 24 | 25 | com.geevisoft 26 | SqlQueryBuilder 27 | [1.0-SNAPSHOT,2.0) 28 | 29 | 30 | 31 | 32 | 33 | org.apache.maven.plugins 34 | maven-surefire-plugin 35 | 3.1.2 36 | 37 | 38 | org.apache.maven.plugins 39 | maven-failsafe-plugin 40 | 3.1.2 41 | 42 | 43 | 44 | -------------------------------------------------------------------------------- /SqlQueryBuilderTest/src/test/java/SqlDeleteQueryBuilderTest.java: -------------------------------------------------------------------------------- 1 | import org.junit.jupiter.api.Assertions; 2 | import org.junit.jupiter.api.BeforeEach; 3 | import org.junit.jupiter.api.Test; 4 | 5 | public class SqlDeleteQueryBuilderTest { 6 | 7 | private SqlQueryBuilder builder; 8 | 9 | @BeforeEach 10 | void setUp() { 11 | builder = new SqlQueryBuilder(); 12 | } 13 | 14 | @Test 15 | void deleteWithWhere(){ 16 | String query = builder 17 | .delete("Users") 18 | .whereEquals("ID", 1) 19 | .query(); 20 | String writtenQuery = "DELETE FROM Users WHERE ID=1"; 21 | Assertions.assertEquals(query, writtenQuery); 22 | } 23 | } 24 | -------------------------------------------------------------------------------- /SqlQueryBuilderTest/src/test/java/SqlInsertQueryBuilderTest.java: -------------------------------------------------------------------------------- 1 | import org.junit.jupiter.api.Assertions; 2 | import org.junit.jupiter.api.BeforeEach; 3 | import org.junit.jupiter.api.Test; 4 | 5 | public class SqlInsertQueryBuilderTest { 6 | 7 | private SqlQueryBuilder builder; 8 | 9 | @BeforeEach 10 | void setUp() { 11 | builder = new SqlQueryBuilder(); 12 | } 13 | 14 | @Test 15 | void insertOneWithOneValue(){ 16 | String query = builder 17 | .insertInto("Users") 18 | .value("FirstName", "John") 19 | .query(); 20 | String writtenQuery = "INSERT INTO Users (FirstName) VALUES ('John')"; 21 | Assertions.assertEquals(writtenQuery, query); 22 | } 23 | 24 | @Test 25 | void insertOneWithThreeValue(){ 26 | String query = builder 27 | .insertInto("Users") 28 | .value("FirstName", "John") 29 | .value("LastName", "Doe") 30 | .value("Age", 21) 31 | .query(); 32 | String writtenQuery = "INSERT INTO Users (FirstName, LastName, Age) VALUES ('John', 'Doe', 21)"; 33 | Assertions.assertEquals(writtenQuery, query); 34 | } 35 | } 36 | -------------------------------------------------------------------------------- /SqlQueryBuilderTest/src/test/java/SqlSelectQueryBuilderTest.java: -------------------------------------------------------------------------------- 1 | import org.junit.jupiter.api.Assertions; 2 | import org.junit.jupiter.api.BeforeEach; 3 | import org.junit.jupiter.api.Test; 4 | 5 | public class SqlSelectQueryBuilderTest { 6 | 7 | private SqlQueryBuilder builder; 8 | 9 | @BeforeEach 10 | void setUp() { 11 | builder = new SqlQueryBuilder(); 12 | } 13 | 14 | @Test 15 | void simpleSelect(){ 16 | String query = builder 17 | .select("FirstName", "LastName") 18 | .from("Users") 19 | .query(); 20 | String writtenQuery = "SELECT FirstName, LastName FROM Users"; 21 | Assertions.assertEquals(writtenQuery, query); 22 | } 23 | 24 | @Test 25 | void emptySelect(){ 26 | String query = builder 27 | .select() 28 | .from("Users") 29 | .query(); 30 | String writtenQuery = "SELECT * FROM Users"; 31 | Assertions.assertEquals(writtenQuery, query); 32 | } 33 | 34 | @Test 35 | void selectWithWhereClause(){ 36 | String query = builder 37 | .select() 38 | .from("Users") 39 | .where("LastName = 'Doe'") 40 | .query(); 41 | String writtenQuery = "SELECT * FROM Users WHERE LastName = 'Doe'"; 42 | Assertions.assertEquals(writtenQuery, query); 43 | } 44 | 45 | @Test 46 | void selectWithAlias(){ 47 | String query = builder 48 | .select("u.FirstName") 49 | .from("Users", "u") 50 | .query(); 51 | String writtenQuery = "SELECT u.FirstName FROM Users u"; 52 | Assertions.assertEquals(writtenQuery, query); 53 | } 54 | 55 | @Test 56 | void selectWithOrderByClause(){ 57 | String query = builder 58 | .select() 59 | .from("Users") 60 | .orderBy("LastName") 61 | .query(); 62 | String writtenQuery = "SELECT * FROM Users ORDER BY LastName"; 63 | Assertions.assertEquals(writtenQuery, query); 64 | } 65 | 66 | @Test 67 | void selectWithWhereInnerJoinAndOrderBy(){ 68 | String query = builder 69 | .select() 70 | .from("Users") 71 | .innerJoin("Clients", "ClientID", "ID") 72 | .whereEqual("LastName", "Doe") 73 | .orderBy("FirstName") 74 | .query(); 75 | String writtenQuery = "SELECT * FROM Users INNER JOIN Clients ON ClientID=ID WHERE LastName='Doe' ORDER BY FirstName"; 76 | Assertions.assertEquals(writtenQuery, query); 77 | } 78 | 79 | @Test 80 | void selectWithWhereInnerJoinAndGroupBy(){ 81 | String query = builder 82 | .select() 83 | .from("Users") 84 | .innerJoin("Clients", "ClientID", "ID") 85 | .whereEqual("LastName", "Doe") 86 | .groupBy("FirstName") 87 | .query(); 88 | String writtenQuery = "SELECT * FROM Users INNER JOIN Clients ON ClientID=ID WHERE LastName='Doe' GROUP BY FirstName"; 89 | Assertions.assertEquals(writtenQuery, query); 90 | } 91 | 92 | @Test 93 | void selectWithInnerJoinAndGroupBy(){ 94 | String query = builder 95 | .select() 96 | .from("Users") 97 | .innerJoin("Clients", "ClientID", "ID") 98 | .groupBy("FirstName") 99 | .query(); 100 | String writtenQuery = "SELECT * FROM Users INNER JOIN Clients ON ClientID=ID GROUP BY FirstName"; 101 | Assertions.assertEquals(writtenQuery, query); 102 | } 103 | 104 | @Test 105 | void selectWithInnerJoinGroupByAndOrderBy(){ 106 | String query = builder 107 | .select() 108 | .from("Users") 109 | .innerJoin("Clients", "ClientID", "ID") 110 | .groupBy("FirstName") 111 | .orderBy("LastName") 112 | .query(); 113 | String writtenQuery = "SELECT * FROM Users INNER JOIN Clients ON ClientID=ID GROUP BY FirstName ORDER BY LastName"; 114 | Assertions.assertEquals(writtenQuery, query); 115 | } 116 | 117 | @Test 118 | void innerJoinAndInnerJoin(){ 119 | String query = builder 120 | .select() 121 | .from("Users") 122 | .innerJoin("Clients", "ClientID", "ID") 123 | .innerJoin("Tickets", "UserID", "ID") 124 | .query(); 125 | String writtenQuery = "SELECT * FROM Users INNER JOIN Clients ON ClientID=ID INNER JOIN Tickets ON UserID=ID"; 126 | Assertions.assertEquals(writtenQuery, query); 127 | } 128 | 129 | @Test 130 | void selectFromAndTwoOrders(){ 131 | String query = builder 132 | .select() 133 | .from("Users") 134 | .orderBy("LastName", "FirstName") 135 | .query(); 136 | String writtenQuery = "SELECT * FROM Users ORDER BY LastName, FirstName"; 137 | Assertions.assertEquals(writtenQuery, query); 138 | } 139 | 140 | @Test 141 | void selectWithJoinsAndAlias(){ 142 | String query = builder 143 | .select("u.ID", "c.ID", "t.ID") 144 | .from("Users", "u") 145 | .innerJoinAs("Clients", "c", "c.ID=u.ClientID") 146 | .leftJoinAs("Tickets", "t", "t.UserID=u.ID") 147 | .query(); 148 | String writtenQuery = "SELECT u.ID, c.ID, t.ID FROM Users u INNER JOIN Clients c ON c.ID=u.ClientID LEFT JOIN Tickets t ON t.UserID=u.ID"; 149 | Assertions.assertEquals(writtenQuery, query); 150 | } 151 | 152 | @Test 153 | void selectWithWhereIn(){ 154 | String query = builder 155 | .select() 156 | .from("Users") 157 | .whereIn("Username", "jack", "joe") 158 | .query(); 159 | String writtenQuery = "SELECT * FROM Users WHERE Username IN ('jack', 'joe')"; 160 | Assertions.assertEquals(writtenQuery, query); 161 | } 162 | 163 | @Test 164 | void selectWithAListForWhereIn(){ 165 | int[] validYears = new int[]{5, 7, 8, 25}; 166 | String query = builder 167 | .select() 168 | .from("Users") 169 | .whereIn("Age", validYears) 170 | .query(); 171 | String writtenQuery = "SELECT * FROM Users WHERE Age IN (5, 7, 8, 25)"; 172 | Assertions.assertEquals(writtenQuery, query); 173 | } 174 | } 175 | -------------------------------------------------------------------------------- /SqlQueryBuilderTest/src/test/java/SqlUpdateQueryBuilderTest.java: -------------------------------------------------------------------------------- 1 | import org.junit.jupiter.api.Assertions; 2 | import org.junit.jupiter.api.BeforeEach; 3 | import org.junit.jupiter.api.Test; 4 | 5 | public class SqlUpdateQueryBuilderTest { 6 | 7 | private SqlQueryBuilder builder; 8 | 9 | @BeforeEach 10 | void setUp() { 11 | builder = new SqlQueryBuilder(); 12 | } 13 | 14 | @Test 15 | void updateOneColumn(){ 16 | String query = builder 17 | .update("Users") 18 | .set("FirstName", "John") 19 | .whereEqual("ID", 1) 20 | .query(); 21 | String writtenQuery = "UPDATE Users SET FirstName='John' WHERE ID=1"; 22 | Assertions.assertEquals(writtenQuery, query); 23 | } 24 | 25 | @Test 26 | void updateTwoColumns(){ 27 | String query = builder 28 | .update("Users") 29 | .set("FirstName", "John") 30 | .set("Age", 21) 31 | .whereEqual("ID", 1) 32 | .query(); 33 | String writtenQuery = "UPDATE Users SET FirstName='John', Age=21 WHERE ID=1"; 34 | Assertions.assertEquals(writtenQuery, query); 35 | } 36 | } 37 | -------------------------------------------------------------------------------- /pom.xml: -------------------------------------------------------------------------------- 1 | 2 | 5 | 4.0.0 6 | 7 | com.geevisoft 8 | SqlQueryBuilderMain 9 | 1.0-SNAPSHOT 10 | pom 11 | 12 | 13 | ./SqlQueryBuilder 14 | ./SqlQueryBuilderTest 15 | 16 | --------------------------------------------------------------------------------