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db_table_exists

  1. drupal
    1. 5 database.mysql.inc
    2. 5 database.mysqli.inc
    3. 5
    4. 6 database.mysql.inc
    5. 6 database.mysqli.inc
    6. 6 database.pgsql.inc
    7. 7 database.inc
Versions
5 – 7 db_table_exists($table)

Check if a table exists.

Related topics

Database abstraction layer
Allow the use of different database servers using the same code base.

▸ 5 functions call db_table_exists()

▾ 5 functions call db_table_exists()

nodeapi_example_uninstall in developer/examples/nodeapi_example.install
Implementation of hook_uninstall().
node_access_example_uninstall in developer/examples/node_access_example.install
Implementation of hook_uninstall().
node_example_uninstall in developer/examples/node_example.install
Implementation of hook_uninstall().
system_update_1005 in modules/system/system.install
update_create_cache_tables in ./update.php
Create tables for the split cache.

Code

includes/database.pgsql.inc, line 394

<?php
function db_table_exists($table) {
  return db_num_rows(db_query("SELECT relname FROM pg_class WHERE relname = '{" . db_escape_table($table) . "}'"));
}
?>