25 calls to db_add_field()

aggregator_update_7000 in drupal/modules/aggregator/aggregator.install
Add hash column to aggregator_feed table.
aggregator_update_7002 in drupal/modules/aggregator/aggregator.install
Add queued timestamp.
comment_update_7002 in drupal/modules/comment/comment.install
Rename {comments} table to {comment} and upgrade it.
comment_update_7003 in drupal/modules/comment/comment.install
Split {comment}.timestamp into 'created' and 'changed', improve indexing on {comment}.
comment_update_7004 in drupal/modules/comment/comment.install
Upgrade the {node_comment_statistics} table.
field_sql_storage_update_7001 in drupal/modules/field/modules/field_sql_storage/field_sql_storage.install
Remove the field_config_entity_type table and store 'entity_type' strings.
filter_update_7000 in drupal/modules/filter/filter.install
Upgrade the {filter_formats} table and rename it to {filter_format}.
hook_update_N in drupal/modules/system/system.api.php
Perform a single update.
image_update_7005 in drupal/modules/image/image.install
Add a column to the 'image_style' table to store administrative labels.
node_update_7000 in drupal/modules/node/node.install
Upgrade the node type table and fix node type 'module' attribute to avoid name-space conflicts.
node_update_7005 in drupal/modules/node/node.install
Add status/comment/promote and sticky columns to the {node_revision} table.
poll_update_7001 in drupal/modules/poll/poll.install
Use the poll_choice primary key to record votes in poll_votes rather than the choice order. Rename chorder to weight.
poll_update_7002 in drupal/modules/poll/poll.install
Add timestamp field to {poll_vote}.
SchemaTestCase::assertFieldAdditionRemoval in drupal/modules/simpletest/tests/schema.test
Assert that a given field can be added and removed from a table.
SchemaTestCase::testSchema in drupal/modules/simpletest/tests/schema.test
SchemaTestCase::testUnsignedColumns in drupal/modules/simpletest/tests/schema.test
Tests creating unsigned columns and data integrity thereof.
system_update_7045 in drupal/modules/system/system.install
Add expiration field to the {flood} table.
taxonomy_update_7002 in drupal/modules/taxonomy/taxonomy.install
Add {vocabulary}.machine_name column.
taxonomy_update_7006 in drupal/modules/taxonomy/taxonomy.install
Add {taxonomy_term_data}.format column.
update_fix_d7_requirements in drupal/includes/update.inc
Perform Drupal 6.x to 7.x updates that are required for update.php to function properly.
UpgradePathTestCase::prepareD7Session in drupal/modules/simpletest/tests/upgrade/upgrade.test
Prepares the appropriate session for the release of Drupal being upgraded.
user_update_7006 in drupal/modules/user/user.install
Add module data to {role_permission}.
user_update_7007 in drupal/modules/user/user.install
Add a weight column to user roles.
user_update_7012 in drupal/modules/user/user.install
Add the user's pictures to the {file_managed} table and make them managed files.
_image_update_7002_add_columns in drupal/modules/image/image.install
Add width and height columns to a specific table.