Viewing file:  PostgresBuilder.php (2.43 KB) -rwxr-xr-x
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<?php
namespace Illuminate\Database\Schema;
class PostgresBuilder extends Builder
{
/**
* Determine if the given table exists.
*
* @param string $table
* @return bool
*/
public function hasTable($table)
{
list($schema, $table) = $this->parseSchemaAndTable($table);
$table = $this->connection->getTablePrefix().$table;
return count($this->connection->select(
$this->grammar->compileTableExists(), [$schema, $table]
)) > 0;
}
/**
* Drop all tables from the database.
*
* @return void
*/
public function dropAllTables()
{
$tables = [];
$excludedTables = ['spatial_ref_sys'];
foreach ($this->getAllTables() as $row) {
$row = (array) $row;
$table = reset($row);
if (! in_array($table, $excludedTables)) {
$tables[] = $table;
}
}
if (empty($tables)) {
return;
}
$this->connection->statement(
$this->grammar->compileDropAllTables($tables)
);
}
/**
* Get all of the table names for the database.
*
* @return array
*/
protected function getAllTables()
{
return $this->connection->select(
$this->grammar->compileGetAllTables($this->connection->getConfig('schema'))
);
}
/**
* Get the column listing for a given table.
*
* @param string $table
* @return array
*/
public function getColumnListing($table)
{
list($schema, $table) = $this->parseSchemaAndTable($table);
$table = $this->connection->getTablePrefix().$table;
$results = $this->connection->select(
$this->grammar->compileColumnListing(), [$schema, $table]
);
return $this->connection->getPostProcessor()->processColumnListing($results);
}
/**
* Parse the table name and extract the schema and table.
*
* @param string $table
* @return array
*/
protected function parseSchemaAndTable($table)
{
$table = explode('.', $table);
if (is_array($schema = $this->connection->getConfig('schema'))) {
if (in_array($table[0], $schema)) {
return [array_shift($table), implode('.', $table)];
}
$schema = head($schema);
}
return [$schema ?: 'public', implode('.', $table)];
}
}
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