DatabaseCondition::where in includes/database/query.inc

Implements QueryConditionInterface::where().

DeleteQuery::where in includes/database/query.inc

Implements QueryConditionInterface::where().

MergeQuery::where in includes/database/query.inc

Implements QueryConditionInterface::where().

SelectQueryExtender::where in includes/database/select.inc

Adds an arbitrary WHERE clause to the query.

SelectQuery::where in includes/database/select.inc

Implements QueryConditionInterface::where().

UpdateQuery::where in includes/database/query.inc

Implements QueryConditionInterface::where().