public function Schema::fieldExists in Drupal 8

Same name in this branch

1. 8 core/lib/Drupal/Core/Database/Schema.php \Drupal\Core\Database\Schema::fieldExists()
2. 8 core/lib/Drupal/Core/Database/Driver/sqlite/Schema.php \Drupal\Core\Database\Driver\sqlite\Schema::fieldExists()
3. 8 core/lib/Drupal/Core/Database/Driver/pgsql/Schema.php \Drupal\Core\Database\Driver\pgsql\Schema::fieldExists()
4. 8 core/lib/Drupal/Core/Database/Driver/mysql/Schema.php \Drupal\Core\Database\Driver\mysql\Schema::fieldExists()

Same name and namespace in other branches

1. 9 core/lib/Drupal/Core/Database/Driver/pgsql/Schema.php \Drupal\Core\Database\Driver\pgsql\Schema::fieldExists()

Check if a column exists in the given table.

Parameters

$table: The name of the table in drupal (no prefixing).

$column: The name of the column.

Return value

TRUE if the given column exists, otherwise FALSE.

Overrides Schema::fieldExists

5 calls to Schema::fieldExists()

Schema::addField in core/lib/Drupal/Core/Database/Driver/pgsql/Schema.php

Add a new field to a table.

Schema::changeField in core/lib/Drupal/Core/Database/Driver/pgsql/Schema.php

Change a field definition.

Schema::dropField in core/lib/Drupal/Core/Database/Driver/pgsql/Schema.php

Drop a field.

Schema::fieldSetDefault in core/lib/Drupal/Core/Database/Driver/pgsql/Schema.php

Set the default value for a field.

Schema::fieldSetNoDefault in core/lib/Drupal/Core/Database/Driver/pgsql/Schema.php

Set a field to have no default value.

File

core/lib/Drupal/Core/Database/Driver/pgsql/Schema.php, line 731

Class

Schema

PostgreSQL implementation of \Drupal\Core\Database\Schema.

Namespace

Drupal\Core\Database\Driver\pgsql

Code

public function fieldExists($table, $column) {
  $prefixInfo = $this
    ->getPrefixInfo($table);
  return (bool) $this->connection
    ->query("SELECT 1 FROM pg_attribute WHERE attrelid = :key::regclass AND attname = :column AND NOT attisdropped AND attnum > 0", [
    ':key' => $prefixInfo['schema'] . '.' . $prefixInfo['table'],
    ':column' => $column,
  ])
    ->fetchField();
}