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Adding heavy field concept

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This commit is contained in:
darin.kelkhoff
2023-01-18 11:56:38 -06:00
parent 4dc9c52ee0
commit 70d9d259c1
4 changed files with 118 additions and 6 deletions
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32
qqq-backend-core/src/main/java/com/kingsrook/qqq/backend/core/model/actions/tables/get/GetInput.java
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@ -41,6 +41,7 @@ public class GetInput extends AbstractTableActionInput
private boolean shouldTranslatePossibleValues = false;
private boolean shouldGenerateDisplayValues = false;
private boolean shouldFetchHeavyFields = true;
@ -197,4 +198,35 @@ public class GetInput extends AbstractTableActionInput
return (this);
}
/*******************************************************************************
** Getter for shouldFetchHeavyFields
*******************************************************************************/
public boolean getShouldFetchHeavyFields()
{
return (this.shouldFetchHeavyFields);
}
/*******************************************************************************
** Setter for shouldFetchHeavyFields
*******************************************************************************/
public void setShouldFetchHeavyFields(boolean shouldFetchHeavyFields)
{
this.shouldFetchHeavyFields = shouldFetchHeavyFields;
}
/*******************************************************************************
** Fluent setter for shouldFetchHeavyFields
*******************************************************************************/
public GetInput withShouldFetchHeavyFields(boolean shouldFetchHeavyFields)
{
this.shouldFetchHeavyFields = shouldFetchHeavyFields;
return (this);
}
}

23
qqq-backend-core/src/main/java/com/kingsrook/qqq/backend/core/model/actions/tables/query/QueryInput.java
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@ -45,6 +45,7 @@ public class QueryInput extends AbstractTableActionInput
private boolean shouldTranslatePossibleValues = false;
private boolean shouldGenerateDisplayValues = false;
private boolean shouldFetchHeavyFields = false;
/////////////////////////////////////////////////////////////////////////////////////////
// this field - only applies if shouldTranslatePossibleValues is true. //
@ -198,6 +199,28 @@ public class QueryInput extends AbstractTableActionInput
/*******************************************************************************
** Getter for shouldFetchHeavyFields
**
*******************************************************************************/
public boolean getShouldFetchHeavyFields()
{
return shouldFetchHeavyFields;
}
/*******************************************************************************
** Setter for shouldFetchHeavyFields
**
*******************************************************************************/
public void setShouldFetchHeavyFields(boolean shouldFetchHeavyFields)
{
this.shouldFetchHeavyFields = shouldFetchHeavyFields;
}
/*******************************************************************************
** Getter for transaction
**

32
qqq-backend-core/src/main/java/com/kingsrook/qqq/backend/core/model/metadata/fields/QFieldMetaData.java
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@ -51,6 +51,7 @@ public class QFieldMetaData implements Cloneable
private QFieldType type;
private boolean isRequired = false;
private boolean isEditable = true;
private boolean isHeavy = false;
private FieldSecurityLock fieldSecurityLock;
@ -693,6 +694,7 @@ public class QFieldMetaData implements Cloneable
}
/*******************************************************************************
** Getter for fieldSecurityLock
*******************************************************************************/
@ -723,4 +725,34 @@ public class QFieldMetaData implements Cloneable
}
/*******************************************************************************
** Getter for isHeavy
*******************************************************************************/
public boolean getIsHeavy()
{
return (this.isHeavy);
}
/*******************************************************************************
** Setter for isHeavy
*******************************************************************************/
public void setIsHeavy(boolean isHeavy)
{
this.isHeavy = isHeavy;
}
/*******************************************************************************
** Fluent setter for isHeavy
*******************************************************************************/
public QFieldMetaData withIsHeavy(boolean isHeavy)
{
this.isHeavy = isHeavy;
return (this);
}
}

37
qqq-backend-module-rdbms/src/main/java/com/kingsrook/qqq/backend/module/rdbms/actions/RDBMSQueryAction.java
View File

@ -34,6 +34,7 @@ import java.util.List;
import java.util.stream.Collectors;
import com.kingsrook.qqq.backend.core.actions.interfaces.QueryInterface;
import com.kingsrook.qqq.backend.core.exceptions.QException;
import com.kingsrook.qqq.backend.core.logging.QLogger;
import com.kingsrook.qqq.backend.core.model.actions.tables.query.JoinsContext;
import com.kingsrook.qqq.backend.core.model.actions.tables.query.QQueryFilter;
import com.kingsrook.qqq.backend.core.model.actions.tables.query.QueryInput;
@ -44,7 +45,6 @@ import com.kingsrook.qqq.backend.core.model.metadata.QInstance;
import com.kingsrook.qqq.backend.core.model.metadata.fields.QFieldMetaData;
import com.kingsrook.qqq.backend.core.model.metadata.tables.QTableMetaData;
import com.kingsrook.qqq.backend.core.utils.CollectionUtils;
import com.kingsrook.qqq.backend.core.utils.QLogger;
import com.kingsrook.qqq.backend.module.rdbms.jdbc.QueryManager;
import com.kingsrook.qqq.backend.module.rdbms.model.metadata.RDBMSBackendMetaData;
@ -68,7 +68,7 @@ public class RDBMSQueryAction extends AbstractRDBMSAction implements QueryInterf
QTableMetaData table = queryInput.getTable();
String tableName = queryInput.getTableName();
StringBuilder sql = new StringBuilder("SELECT ").append(makeSelectClause(queryInput.getInstance(), tableName, queryInput.getQueryJoins()));
StringBuilder sql = new StringBuilder("SELECT ").append(makeSelectClause(queryInput));
JoinsContext joinsContext = new JoinsContext(queryInput.getInstance(), tableName, queryInput.getQueryJoins());
sql.append(" FROM ").append(makeFromClause(queryInput.getInstance(), tableName, joinsContext));
@ -112,7 +112,9 @@ public class RDBMSQueryAction extends AbstractRDBMSAction implements QueryInterf
////////////////////////////////////////////////////////////////////////////
// build the list of fields that will be processed in the result-set loop //
////////////////////////////////////////////////////////////////////////////
List<QFieldMetaData> fieldList = new ArrayList<>(table.getFields().values());
List<QFieldMetaData> fieldList = new ArrayList<>(table.getFields().values().stream()
.filter(field -> filterOutHeavyFieldsIfNeeded(field, queryInput.getShouldFetchHeavyFields()))
.toList());
for(QueryJoin queryJoin : CollectionUtils.nonNullList(queryInput.getQueryJoins()))
{
if(queryJoin.getSelect())
@ -121,7 +123,10 @@ public class RDBMSQueryAction extends AbstractRDBMSAction implements QueryInterf
String tableNameOrAlias = queryJoin.getJoinTableOrItsAlias();
for(QFieldMetaData joinField : joinTable.getFields().values())
{
fieldList.add(joinField.clone().withName(tableNameOrAlias + "." + joinField.getName()));
if(filterOutHeavyFieldsIfNeeded(joinField, queryInput.getShouldFetchHeavyFields()))
{
fieldList.add(joinField.clone().withName(tableNameOrAlias + "." + joinField.getName()));
}
}
}
}
@ -132,7 +137,7 @@ public class RDBMSQueryAction extends AbstractRDBMSAction implements QueryInterf
// execute the query - iterate over results //
//////////////////////////////////////////////
QueryOutput queryOutput = new QueryOutput(queryInput);
System.out.println(sql);
// System.out.println(sql);
PreparedStatement statement = createStatement(connection, sql.toString(), queryInput);
QueryManager.executeStatement(statement, ((ResultSet resultSet) ->
{
@ -184,11 +189,16 @@ public class RDBMSQueryAction extends AbstractRDBMSAction implements QueryInterf
/*******************************************************************************
**
*******************************************************************************/
private String makeSelectClause(QInstance instance, String tableName, List<QueryJoin> queryJoins) throws QException
private String makeSelectClause(QueryInput queryInput) throws QException
{
QInstance instance = queryInput.getInstance();
String tableName = queryInput.getTableName();
List<QueryJoin> queryJoins = queryInput.getQueryJoins();
QTableMetaData table = instance.getTable(tableName);
List<QFieldMetaData> fieldList = new ArrayList<>(table.getFields().values());
String columns = fieldList.stream()
.filter(field -> filterOutHeavyFieldsIfNeeded(field, queryInput.getShouldFetchHeavyFields()))
.map(field -> escapeIdentifier(tableName) + "." + escapeIdentifier(getColumnName(field)))
.collect(Collectors.joining(", "));
StringBuilder rs = new StringBuilder(columns);
@ -206,6 +216,7 @@ public class RDBMSQueryAction extends AbstractRDBMSAction implements QueryInterf
List<QFieldMetaData> joinFieldList = new ArrayList<>(joinTable.getFields().values());
String joinColumns = joinFieldList.stream()
.filter(field -> filterOutHeavyFieldsIfNeeded(field, queryInput.getShouldFetchHeavyFields()))
.map(field -> escapeIdentifier(tableNameOrAlias) + "." + escapeIdentifier(getColumnName(field)))
.collect(Collectors.joining(", "));
rs.append(", ").append(joinColumns);
@ -217,6 +228,20 @@ public class RDBMSQueryAction extends AbstractRDBMSAction implements QueryInterf
/*******************************************************************************
**
*******************************************************************************/
private boolean filterOutHeavyFieldsIfNeeded(QFieldMetaData field, boolean shouldFetchHeavyFields)
{
if(!shouldFetchHeavyFields && field.getIsHeavy())
{
return (false);
}
return (true);
}
/*******************************************************************************
**
*******************************************************************************/