org.h2.expression.Expression.updateAggregate java code examples

Common ways to obtain Expression

private void myMethod () {
 Expression e =ValueExpression.getNull()
Column column;column.getDefaultExpression()
TableFilter tableFilter;tableFilter.getJoinCondition()
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}

@Override
public void updateAggregate(Session session) {
  left.updateAggregate(session);
  right.updateAggregate(session);
  if (escape != null) {
    escape.updateAggregate(session);
  }
}

@Override
public void updateAggregate(Session session) {
  left.updateAggregate(session);
  if (right != null) {
    right.updateAggregate(session);
  }
}

@Override
public void updateAggregate(Session session) {
  left.updateAggregate(session);
  if (right != null) {
    right.updateAggregate(session);
  }
}

@Override
public void updateAggregate(Session session) {
  for (Expression e : list) {
    e.updateAggregate(session);
  }
}

@Override
public void updateAggregate(Session session) {
  for (Expression e : args) {
    if (e != null) {
      e.updateAggregate(session);
    }
  }
}

@Override
public void updateAggregate(Session session) {
  left.updateAggregate(session);
  for (Expression e : valueList) {
    e.updateAggregate(session);
  }
}

@Override
public void updateAggregate(Session session) {
  left.updateAggregate(session);
  right.updateAggregate(session);
}

@Override
public void updateAggregate(Session session) {
  for (Expression e : args) {
    if (e != null) {
      e.updateAggregate(session);
    }
  }
}

@Override
public void updateAggregate(Session s) {
  for (Expression e : expressions) {
    e.updateAggregate(s);
  }
  if (condition != null) {
    condition.updateAggregate(s);
  }
  if (having != null) {
    having.updateAggregate(s);
  }
}

@Override
public void updateAggregate(Session session) {
  left.updateAggregate(session);
}

@Override
public void updateAggregate(Session session) {
  left.updateAggregate(session);
}

@Override
public void updateAggregate(Session session) {
  condition.updateAggregate(session);
}

@Override
public void updateAggregate(Session session) {
  expr.updateAggregate(session);
}

@Override
public void updateAggregate(Session session) {
  left.updateAggregate(session);
  query.updateAggregate(session);
}

if (groupByExpression == null || !groupByExpression[i]) {
  Expression expr = expressions.get(i);
  expr.updateAggregate(getSession());

if (groupByExpression == null || !groupByExpression[i]) {
  Expression expr = expressions.get(i);
  expr.updateAggregate(session);

public void updateAggregate(Session session) throws SQLException {
  left.updateAggregate(session);
  if (right != null) {
    right.updateAggregate(session);
  }
}

@Override
public void updateAggregate(Session s) {
  for (Expression e : expressions) {
    e.updateAggregate(s);
  }
  if (condition != null) {
    condition.updateAggregate(s);
  }
  if (having != null) {
    having.updateAggregate(s);
  }
}

@Override
public void updateAggregate(Session session) {
  left.updateAggregate(session);
  if (right != null) {
    right.updateAggregate(session);
  }
}

public void updateAggregate(Session session) throws SQLException {
  left.updateAggregate(session);
  for (int i = 0; i < values.size(); i++) {
    Expression e = (Expression) values.get(i);
    e.updateAggregate(session);
  }
}

Javadoc

Update an aggregate value. This method is called at statement execution time. It is usually called once for each row, but if the expression is used multiple times (for example in the column list, and as part of the HAVING expression) it is called multiple times - the row counter needs to be used to make sure the internal state is only updated once.

Popular methods of Expression

getAlias
Get the alias name of a column or SQL expression if it is not an aliased expression.
getDisplaySize
Get the display size of this expression.
getNonAliasExpression
Returns the main expression, skipping aliases.
getNotIfPossible
If it is possible, return the negated expression. This is used to optimize NOT expressions: NOT ID>1
getPrecision
Get the precision of this expression.
getScale
Get the scale of this expression.
getType
Return the data type. The data type may not be known before the optimization phase.
getValue
Return the resulting value for the current row.
isConstant
Check if this expression will always return the same value.
addFilterConditions
Add conditions to a table filter if they can be evaluated.
createIndexConditions
Create index conditions if possible and attach them to the table filter.
getBooleanValue
Get the value in form of a boolean expression. Returns true or false. In this database, everything c

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How to use updateAggregatemethodin org.h2.expression.Expression

Best Java code snippets using org.h2.expression.Expression.updateAggregate (Showing top 20 results out of 315)

How to use
updateAggregate
method
in
org.h2.expression.Expression