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Initial version of QInstanceAssessor - to compare rdbms based meta-data to the actual database.
This commit is contained in:
@ -0,0 +1,37 @@
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/*
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* QQQ - Low-code Application Framework for Engineers.
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* Copyright (C) 2021-2025. Kingsrook, LLC
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* 651 N Broad St Ste 205 # 6917 | Middletown DE 19709 | United States
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* contact@kingsrook.com
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* https://github.com/Kingsrook/
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*
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||||
* This program is free software: you can redistribute it and/or modify
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||||
* it under the terms of the GNU Affero General Public License as
|
||||
* published by the Free Software Foundation, either version 3 of the
|
||||
* License, or (at your option) any later version.
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||||
*
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||||
* This program is distributed in the hope that it will be useful,
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||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU Affero General Public License for more details.
|
||||
*
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||||
* You should have received a copy of the GNU Affero General Public License
|
||||
* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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package com.kingsrook.qqq.backend.core.instances.assessment;
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import com.kingsrook.qqq.backend.core.model.metadata.QInstance;
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/*******************************************************************************
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** marker for an object which can be processed by the QInstanceAssessor.
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*******************************************************************************/
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public interface Assessable
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{
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/***************************************************************************
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**
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***************************************************************************/
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void assess(QInstanceAssessor qInstanceAssessor, QInstance qInstance);
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}
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@ -0,0 +1,215 @@
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/*
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* QQQ - Low-code Application Framework for Engineers.
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* Copyright (C) 2021-2025. Kingsrook, LLC
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||||
* 651 N Broad St Ste 205 # 6917 | Middletown DE 19709 | United States
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||||
* contact@kingsrook.com
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||||
* https://github.com/Kingsrook/
|
||||
*
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||||
* This program is free software: you can redistribute it and/or modify
|
||||
* it under the terms of the GNU Affero General Public License as
|
||||
* published by the Free Software Foundation, either version 3 of the
|
||||
* License, or (at your option) any later version.
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||||
*
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||||
* This program is distributed in the hope that it will be useful,
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||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU Affero General Public License for more details.
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||||
*
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||||
* You should have received a copy of the GNU Affero General Public License
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||||
* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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package com.kingsrook.qqq.backend.core.instances.assessment;
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import java.util.ArrayList;
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import java.util.List;
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import com.kingsrook.qqq.backend.core.logging.QLogger;
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import com.kingsrook.qqq.backend.core.model.metadata.QBackendMetaData;
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import com.kingsrook.qqq.backend.core.model.metadata.QInstance;
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import com.kingsrook.qqq.backend.core.utils.CollectionUtils;
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import com.kingsrook.qqq.backend.core.utils.StringUtils;
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/*******************************************************************************
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** POC of a class that is meant to review meta-data for accuracy vs. real backends.
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*******************************************************************************/
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public class QInstanceAssessor
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{
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private static final QLogger LOG = QLogger.getLogger(QInstanceAssessor.class);
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private final QInstance qInstance;
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private List<String> errors = new ArrayList<>();
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private List<String> warnings = new ArrayList<>();
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private List<String> suggestions = new ArrayList<>();
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/*******************************************************************************
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** Constructor
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**
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*******************************************************************************/
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public QInstanceAssessor(QInstance qInstance)
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{
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this.qInstance = qInstance;
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}
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/*******************************************************************************
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**
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*******************************************************************************/
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public void assess()
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{
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for(QBackendMetaData backend : qInstance.getBackends().values())
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{
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if(backend instanceof Assessable assessable)
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{
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assessable.assess(this, qInstance);
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}
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}
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}
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/*******************************************************************************
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**
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*******************************************************************************/
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@SuppressWarnings("checkstyle:AvoidEscapedUnicodeCharacters")
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public void printSummary()
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{
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///////////////////////////
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// print header & errors //
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///////////////////////////
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if(CollectionUtils.nullSafeIsEmpty(errors))
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{
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System.out.println("Assessment passed with no errors! \uD83D\uDE0E");
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}
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else
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{
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System.out.println("Assessment found the following " + StringUtils.plural(errors, "error", "errors") + ": \uD83D\uDE32");
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for(String error : errors)
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{
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System.out.println(" - " + error);
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}
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}
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/////////////////////////////////////
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// print warnings if there are any //
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/////////////////////////////////////
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if(CollectionUtils.nullSafeHasContents(warnings))
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{
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System.out.println("\nAssessment found the following " + StringUtils.plural(warnings, "warning", "warnings") + ": \uD83E\uDD28");
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for(String warning : warnings)
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{
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System.out.println(" - " + warning);
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}
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}
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//////////////////////////////////////////
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// print suggestions, if there were any //
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//////////////////////////////////////////
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if(CollectionUtils.nullSafeHasContents(suggestions))
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{
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System.out.println("\nThe following " + StringUtils.plural(suggestions, "fix is", "fixes are") + " suggested: \uD83E\uDD13");
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for(String suggestion : suggestions)
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{
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System.out.println("\n" + suggestion + "\n");
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}
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}
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}
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/*******************************************************************************
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** Getter for qInstance
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**
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*******************************************************************************/
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public QInstance getInstance()
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{
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return qInstance;
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}
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/*******************************************************************************
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** Getter for errors
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**
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*******************************************************************************/
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public List<String> getErrors()
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{
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return errors;
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}
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/*******************************************************************************
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** Getter for warnings
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**
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*******************************************************************************/
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public List<String> getWarnings()
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{
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return warnings;
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}
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/*******************************************************************************
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**
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*******************************************************************************/
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public void addError(String errorMessage)
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{
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errors.add(errorMessage);
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}
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/*******************************************************************************
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**
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*******************************************************************************/
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public void addWarning(String warningMessage)
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{
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warnings.add(warningMessage);
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}
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/*******************************************************************************
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**
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*******************************************************************************/
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public void addError(String errorMessage, Exception e)
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{
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addError(errorMessage + " : " + e.getMessage());
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}
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/*******************************************************************************
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**
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*******************************************************************************/
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public void addSuggestion(String message)
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{
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suggestions.add(message);
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}
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/*******************************************************************************
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**
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*******************************************************************************/
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public int getExitCode()
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{
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if(CollectionUtils.nullSafeHasContents(errors))
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{
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return (1);
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}
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else
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{
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return (0);
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}
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}
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}
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@ -111,7 +111,7 @@ public abstract class AbstractRDBMSAction
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**
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** That is, table.backendDetails.tableName if set -- else, table.name
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*******************************************************************************/
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protected String getTableName(QTableMetaData table)
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public static String getTableName(QTableMetaData table)
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{
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if(table.getBackendDetails() instanceof RDBMSTableBackendDetails details)
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{
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@ -130,7 +130,7 @@ public abstract class AbstractRDBMSAction
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**
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** That is, field.backendName if set -- else, field.name
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*******************************************************************************/
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protected String getColumnName(QFieldMetaData field)
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public static String getColumnName(QFieldMetaData field)
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{
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if(field.getBackendName() != null)
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{
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@ -0,0 +1,331 @@
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/*
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* QQQ - Low-code Application Framework for Engineers.
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||||
* Copyright (C) 2021-2025. Kingsrook, LLC
|
||||
* 651 N Broad St Ste 205 # 6917 | Middletown DE 19709 | United States
|
||||
* contact@kingsrook.com
|
||||
* https://github.com/Kingsrook/
|
||||
*
|
||||
* This program is free software: you can redistribute it and/or modify
|
||||
* it under the terms of the GNU Affero General Public License as
|
||||
* published by the Free Software Foundation, either version 3 of the
|
||||
* License, or (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU Affero General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Affero General Public License
|
||||
* along with this program. If not, see <https://www.gnu.org/licenses/>.
|
||||
*/
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package com.kingsrook.qqq.backend.module.rdbms.model.metadata;
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import java.sql.Connection;
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import java.sql.DatabaseMetaData;
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import java.sql.ResultSet;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.HashSet;
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import java.util.List;
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import java.util.Map;
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import java.util.Objects;
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import java.util.Set;
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import java.util.stream.Collectors;
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import com.kingsrook.qqq.backend.core.instances.QInstanceEnricher;
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import com.kingsrook.qqq.backend.core.instances.assessment.QInstanceAssessor;
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import com.kingsrook.qqq.backend.core.model.metadata.fields.QFieldMetaData;
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import com.kingsrook.qqq.backend.core.model.metadata.fields.QFieldType;
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import com.kingsrook.qqq.backend.core.model.metadata.tables.QTableMetaData;
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import com.kingsrook.qqq.backend.core.model.metadata.tables.UniqueKey;
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import com.kingsrook.qqq.backend.core.utils.CollectionUtils;
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import com.kingsrook.qqq.backend.core.utils.StringUtils;
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import com.kingsrook.qqq.backend.module.rdbms.actions.AbstractRDBMSAction;
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import com.kingsrook.qqq.backend.module.rdbms.jdbc.ConnectionManager;
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/*******************************************************************************
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**
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*******************************************************************************/
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public class RDBMSBackendAssessor
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{
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private QInstanceAssessor assessor;
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private RDBMSBackendMetaData backendMetaData;
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private List<QTableMetaData> tables;
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private Map<String, QFieldType> typeMap = new HashMap<>();
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/*******************************************************************************
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**
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*******************************************************************************/
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public RDBMSBackendAssessor(QInstanceAssessor assessor, RDBMSBackendMetaData backendMetaData, List<QTableMetaData> tables)
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{
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this.assessor = assessor;
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this.backendMetaData = backendMetaData;
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this.tables = tables;
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////////////////////////////////////////////////
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// these are types as returned by mysql //
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// let null in here mean unsupported QQQ type //
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////////////////////////////////////////////////
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typeMap.put("TEXT", QFieldType.TEXT);
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typeMap.put("BINARY", QFieldType.BLOB);
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typeMap.put("SET", null);
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typeMap.put("VARBINARY", QFieldType.BLOB);
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typeMap.put("MEDIUMBLOB", QFieldType.BLOB);
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typeMap.put("NUMERIC", QFieldType.INTEGER);
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typeMap.put("BIGINT UNSIGNED", QFieldType.INTEGER);
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typeMap.put("MEDIUMINT UNSIGNED", QFieldType.INTEGER);
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typeMap.put("SMALLINT UNSIGNED", QFieldType.INTEGER);
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typeMap.put("TINYINT UNSIGNED", QFieldType.INTEGER);
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typeMap.put("BIT", null);
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typeMap.put("FLOAT", null);
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typeMap.put("REAL", null);
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typeMap.put("VARCHAR", QFieldType.STRING);
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typeMap.put("BOOL", QFieldType.BOOLEAN);
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typeMap.put("YEAR", null);
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typeMap.put("TIME", QFieldType.TIME);
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typeMap.put("TIMESTAMP", QFieldType.DATE_TIME);
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}
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/*******************************************************************************
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**
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*******************************************************************************/
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public void assess()
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{
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try(Connection connection = new ConnectionManager().getConnection(backendMetaData))
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{
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////////////////////////////////////////////////////////////////////
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// read data type ids (integers) to names, for field-type mapping //
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////////////////////////////////////////////////////////////////////
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DatabaseMetaData databaseMetaData;
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Map<Integer, String> dataTypeMap = new HashMap<>();
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try
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{
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databaseMetaData = connection.getMetaData();
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ResultSet typeInfoResultSet = databaseMetaData.getTypeInfo();
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while(typeInfoResultSet.next())
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{
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String name = typeInfoResultSet.getString("TYPE_NAME");
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Integer id = typeInfoResultSet.getInt("DATA_TYPE");
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dataTypeMap.put(id, name);
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}
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}
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catch(Exception e)
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{
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assessor.addError("Error loading metaData from RDBMS for backendName: " + backendMetaData.getName() + " - assessment cannot be completed.", e);
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return;
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}
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|
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///////////////////////////////////////
|
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// process each table in the backend //
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///////////////////////////////////////
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for(QTableMetaData table : tables)
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{
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String tableName = AbstractRDBMSAction.getTableName(table);
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|
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try
|
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{
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///////////////////////////////
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// check if the table exists //
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///////////////////////////////
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String databaseName = backendMetaData.getDatabaseName(); // these work for mysql - unclear about other vendors.
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String schemaName = null;
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try(ResultSet tableResultSet = databaseMetaData.getTables(databaseName, schemaName, tableName, null))
|
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{
|
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if(!tableResultSet.next())
|
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{
|
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assessor.addError("Table: " + table.getName() + " was not found in backend: " + backendMetaData.getName());
|
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assessor.addSuggestion(suggestCreateTable(table));
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continue;
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}
|
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|
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//////////////////////////////
|
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// read the table's columns //
|
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//////////////////////////////
|
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Map<String, QFieldMetaData> columnMap = new HashMap<>();
|
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String primaryKeyColumnName = null;
|
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try(ResultSet columnsResultSet = databaseMetaData.getColumns(databaseName, schemaName, tableName, null))
|
||||
{
|
||||
while(columnsResultSet.next())
|
||||
{
|
||||
String columnName = columnsResultSet.getString("COLUMN_NAME");
|
||||
String columnSize = columnsResultSet.getString("COLUMN_SIZE");
|
||||
Integer dataTypeId = columnsResultSet.getInt("DATA_TYPE");
|
||||
String isNullable = columnsResultSet.getString("IS_NULLABLE");
|
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String isAutoIncrement = columnsResultSet.getString("IS_AUTOINCREMENT");
|
||||
|
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String dataTypeName = dataTypeMap.get(dataTypeId);
|
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QFieldMetaData columnMetaData = new QFieldMetaData(columnName, typeMap.get(dataTypeName));
|
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columnMap.put(columnName, columnMetaData);
|
||||
|
||||
if("YES" .equals(isAutoIncrement))
|
||||
{
|
||||
primaryKeyColumnName = columnName;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/////////////////////////////////
|
||||
// diff the columns and fields //
|
||||
/////////////////////////////////
|
||||
for(QFieldMetaData column : columnMap.values())
|
||||
{
|
||||
boolean fieldExists = table.getFields().values().stream().anyMatch(f -> column.getName().equals(AbstractRDBMSAction.getColumnName(f)));
|
||||
if(!fieldExists)
|
||||
{
|
||||
assessor.addWarning("Table: " + table.getName() + " has a column which was not found in the metaData: " + column.getName());
|
||||
assessor.addSuggestion("// in QTableMetaData.withName(\"" + table.getName() + "\")\n"
|
||||
+ ".withField(new QFieldMetaData(\"" + column.getName() + "\", QFieldType." + column.getType() + ").withBackendName(\"" + column.getName() + "\")"); // todo - column_name to fieldName
|
||||
}
|
||||
}
|
||||
|
||||
for(QFieldMetaData field : table.getFields().values())
|
||||
{
|
||||
String columnName = AbstractRDBMSAction.getColumnName(field);
|
||||
boolean columnExists = columnMap.values().stream().anyMatch(c -> c.getName().equals(columnName));
|
||||
if(!columnExists)
|
||||
{
|
||||
assessor.addError("Table: " + table.getName() + " has a field which was not found in the database: " + field.getName());
|
||||
assessor.addSuggestion("/* For table [" + tableName + "] in backend [" + table.getBackendName() + " (database " + databaseName + ")]: */\n"
|
||||
+ "ALTER TABLE " + tableName + " ADD " + QInstanceEnricher.inferBackendName(columnName) + " " + getDatabaseTypeForField(table, field) + ";");
|
||||
}
|
||||
}
|
||||
|
||||
///////////////////////////////////////////////
|
||||
// read unique constraints from the database //
|
||||
///////////////////////////////////////////////
|
||||
Map<String, Set<String>> uniqueIndexMap = new HashMap<>();
|
||||
try(ResultSet indexInfoResultSet = databaseMetaData.getIndexInfo(databaseName, schemaName, tableName, true, true))
|
||||
{
|
||||
while(indexInfoResultSet.next())
|
||||
{
|
||||
String indexName = indexInfoResultSet.getString("INDEX_NAME");
|
||||
String columnName = indexInfoResultSet.getString("COLUMN_NAME");
|
||||
uniqueIndexMap.computeIfAbsent(indexName, k -> new HashSet<>());
|
||||
uniqueIndexMap.get(indexName).add(columnName);
|
||||
}
|
||||
}
|
||||
|
||||
//////////////////////////
|
||||
// diff the unique keys //
|
||||
//////////////////////////
|
||||
for(UniqueKey uniqueKey : CollectionUtils.nonNullList(table.getUniqueKeys()))
|
||||
{
|
||||
Set<String> fieldNames = uniqueKey.getFieldNames().stream().map(fieldName -> AbstractRDBMSAction.getColumnName(table.getField(fieldName))).collect(Collectors.toSet());
|
||||
if(!uniqueIndexMap.containsValue(fieldNames))
|
||||
{
|
||||
assessor.addWarning("Table: " + table.getName() + " specifies a uniqueKey which was not found in the database: " + uniqueKey.getFieldNames());
|
||||
assessor.addSuggestion("/* For table [" + tableName + "] in backend [" + table.getBackendName() + " (database " + databaseName + ")]: */\n"
|
||||
+ "ALTER TABLE " + tableName + " ADD UNIQUE (" + StringUtils.join(", ", fieldNames) + ");");
|
||||
}
|
||||
}
|
||||
|
||||
for(Set<String> uniqueIndex : uniqueIndexMap.values())
|
||||
{
|
||||
//////////////////////////
|
||||
// skip the primary key //
|
||||
//////////////////////////
|
||||
if(uniqueIndex.size() == 1 && uniqueIndex.contains(primaryKeyColumnName))
|
||||
{
|
||||
continue;
|
||||
}
|
||||
|
||||
boolean foundInTableMetaData = false;
|
||||
for(UniqueKey uniqueKey : CollectionUtils.nonNullList(table.getUniqueKeys()))
|
||||
{
|
||||
Set<String> fieldNames = uniqueKey.getFieldNames().stream().map(fieldName -> AbstractRDBMSAction.getColumnName(table.getField(fieldName))).collect(Collectors.toSet());
|
||||
if(uniqueIndex.equals(fieldNames))
|
||||
{
|
||||
foundInTableMetaData = true;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
if(!foundInTableMetaData)
|
||||
{
|
||||
assessor.addWarning("Table: " + table.getName() + " has a unique index which was not found in the metaData: " + uniqueIndex);
|
||||
assessor.addSuggestion("// in QTableMetaData.withName(\"" + table.getName() + "\")\n"
|
||||
+ ".withUniqueKey(new UniqueKey(\"" + StringUtils.join("\", \"", uniqueIndex) + "\"))");
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
}
|
||||
catch(Exception e)
|
||||
{
|
||||
assessor.addError("Error assessing table: " + table.getName() + " in backend: " + backendMetaData.getName(), e);
|
||||
}
|
||||
}
|
||||
}
|
||||
catch(Exception e)
|
||||
{
|
||||
assessor.addError("Error connecting to RDBMS for backendName: " + backendMetaData.getName(), e);
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
|
||||
/*******************************************************************************
|
||||
**
|
||||
*******************************************************************************/
|
||||
private String suggestCreateTable(QTableMetaData table)
|
||||
{
|
||||
StringBuilder rs = new StringBuilder("/* For table [" + table.getName() + "] in backend [" + table.getBackendName() + " (database " + (backendMetaData.getDatabaseName()) + ")]: */\n");
|
||||
rs.append("CREATE TABLE ").append(AbstractRDBMSAction.getTableName(table)).append("\n");
|
||||
rs.append("(\n");
|
||||
|
||||
List<String> fields = new ArrayList<>();
|
||||
for(QFieldMetaData field : table.getFields().values())
|
||||
{
|
||||
fields.add(" " + AbstractRDBMSAction.getColumnName(field) + " " + getDatabaseTypeForField(table, field));
|
||||
}
|
||||
|
||||
rs.append(StringUtils.join(",\n", fields));
|
||||
|
||||
rs.append("\n);");
|
||||
return (rs.toString());
|
||||
}
|
||||
|
||||
|
||||
|
||||
/*******************************************************************************
|
||||
**
|
||||
*******************************************************************************/
|
||||
private String getDatabaseTypeForField(QTableMetaData table, QFieldMetaData field)
|
||||
{
|
||||
return switch(field.getType())
|
||||
{
|
||||
case STRING ->
|
||||
{
|
||||
int n = Objects.requireNonNullElse(field.getMaxLength(), 250);
|
||||
yield ("VARCHAR(" + n + ")");
|
||||
}
|
||||
case INTEGER ->
|
||||
{
|
||||
String suffix = table.getPrimaryKeyField().equals(field.getName()) ? " AUTO_INCREMENT PRIMARY KEY" : "";
|
||||
yield ("INTEGER" + suffix);
|
||||
}
|
||||
case LONG ->
|
||||
{
|
||||
String suffix = table.getPrimaryKeyField().equals(field.getName()) ? " AUTO_INCREMENT PRIMARY KEY" : "";
|
||||
yield ("BIGINT" + suffix);
|
||||
}
|
||||
case DECIMAL -> "DECIMAL(10,2)";
|
||||
case BOOLEAN -> "BOOLEAN";
|
||||
case DATE -> "DATE";
|
||||
case TIME -> "TIME";
|
||||
case DATE_TIME -> "TIMESTAMP";
|
||||
case TEXT -> "TEXT";
|
||||
case HTML -> "TEXT";
|
||||
case PASSWORD -> "VARCHAR(40)";
|
||||
case BLOB -> "BLOB";
|
||||
};
|
||||
}
|
||||
}
|
||||
@ -22,12 +22,18 @@
|
||||
package com.kingsrook.qqq.backend.module.rdbms.model.metadata;
|
||||
|
||||
|
||||
import java.util.ArrayList;
|
||||
import java.util.List;
|
||||
import java.util.Objects;
|
||||
import com.fasterxml.jackson.annotation.JsonIgnore;
|
||||
import com.kingsrook.qqq.backend.core.actions.customizers.QCodeLoader;
|
||||
import com.kingsrook.qqq.backend.core.instances.QMetaDataVariableInterpreter;
|
||||
import com.kingsrook.qqq.backend.core.instances.assessment.Assessable;
|
||||
import com.kingsrook.qqq.backend.core.instances.assessment.QInstanceAssessor;
|
||||
import com.kingsrook.qqq.backend.core.model.metadata.QBackendMetaData;
|
||||
import com.kingsrook.qqq.backend.core.model.metadata.QInstance;
|
||||
import com.kingsrook.qqq.backend.core.model.metadata.code.QCodeReference;
|
||||
import com.kingsrook.qqq.backend.core.model.metadata.tables.QTableMetaData;
|
||||
import com.kingsrook.qqq.backend.module.rdbms.RDBMSBackendModule;
|
||||
import com.kingsrook.qqq.backend.module.rdbms.strategy.BaseRDBMSActionStrategy;
|
||||
import com.kingsrook.qqq.backend.module.rdbms.strategy.RDBMSActionStrategyInterface;
|
||||
@ -36,7 +42,7 @@ import com.kingsrook.qqq.backend.module.rdbms.strategy.RDBMSActionStrategyInterf
|
||||
/*******************************************************************************
|
||||
** Meta-data to provide details of an RDBMS backend (e.g., connection params)
|
||||
*******************************************************************************/
|
||||
public class RDBMSBackendMetaData extends QBackendMetaData
|
||||
public class RDBMSBackendMetaData extends QBackendMetaData implements Assessable
|
||||
{
|
||||
private String vendor;
|
||||
private String hostName;
|
||||
@ -580,4 +586,25 @@ public class RDBMSBackendMetaData extends QBackendMetaData
|
||||
}
|
||||
|
||||
|
||||
|
||||
/***************************************************************************
|
||||
**
|
||||
***************************************************************************/
|
||||
@Override
|
||||
public void assess(QInstanceAssessor qInstanceAssessor, QInstance qInstance)
|
||||
{
|
||||
List<QTableMetaData> tables = new ArrayList<>();
|
||||
for(QTableMetaData table : qInstance.getTables().values())
|
||||
{
|
||||
if(Objects.equals(getName(), table.getBackendName()))
|
||||
{
|
||||
tables.add(table);
|
||||
}
|
||||
}
|
||||
|
||||
if(!tables.isEmpty())
|
||||
{
|
||||
new RDBMSBackendAssessor(qInstanceAssessor, this, tables).assess();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user