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[feature/sqlite3] Add support for SQLite 3

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Minimum version requirement is 3.6.15 as that's what ships with PHP 5.3.0
when support for SQLite 3 was added.

PHPBB3-9728
This commit is contained in:
Patrick Webster
2013-11-03 21:58:05 -06:00
committed by Joas Schilling
parent d52c2d1b5c
commit b39b0369aa
23 changed files with 699 additions and 64 deletions
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164
phpBB/phpbb/db/tools.php
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@@ -257,6 +257,36 @@ class tools
'VARBINARY' => 'blob',
),
'sqlite3' => array(
'INT:' => 'INT(%d)',
'BINT' => 'BIGINT(20)',
'UINT' => 'INTEGER UNSIGNED',
'UINT:' => 'INTEGER UNSIGNED',
'TINT:' => 'TINYINT(%d)',
'USINT' => 'INTEGER UNSIGNED',
'BOOL' => 'INTEGER UNSIGNED',
'VCHAR' => 'VARCHAR(255)',
'VCHAR:' => 'VARCHAR(%d)',
'CHAR:' => 'CHAR(%d)',
'XSTEXT' => 'TEXT(65535)',
'STEXT' => 'TEXT(65535)',
'TEXT' => 'TEXT(65535)',
'MTEXT' => 'MEDIUMTEXT(16777215)',
'XSTEXT_UNI'=> 'TEXT(65535)',
'STEXT_UNI' => 'TEXT(65535)',
'TEXT_UNI' => 'TEXT(65535)',
'MTEXT_UNI' => 'MEDIUMTEXT(16777215)',
'TIMESTAMP' => 'INTEGER UNSIGNED', //'int(11) UNSIGNED',
'DECIMAL' => 'DECIMAL(5,2)',
'DECIMAL:' => 'DECIMAL(%d,2)',
'PDECIMAL' => 'DECIMAL(6,3)',
'PDECIMAL:' => 'DECIMAL(%d,3)',
'VCHAR_UNI' => 'VARCHAR(255)',
'VCHAR_UNI:'=> 'VARCHAR(%d)',
'VCHAR_CI' => 'VARCHAR(255)',
'VARBINARY' => 'BLOB',
),
'postgres' => array(
'INT:' => 'INT4',
'BINT' => 'INT8',
@@ -299,7 +329,7 @@ class tools
* A list of supported DBMS. We change this class to support more DBMS, the DBMS itself only need to follow some rules.
* @var array
*/
var $supported_dbms = array('firebird', 'mssql', 'mssqlnative', 'mysql_40', 'mysql_41', 'oracle', 'postgres', 'sqlite');
var $supported_dbms = array('firebird', 'mssql', 'mssqlnative', 'mysql_40', 'mysql_41', 'oracle', 'postgres', 'sqlite', 'sqlite3');
/**
* This is set to true if user only wants to return the 'to-be-executed' SQL statement(s) (as an array).
@@ -389,6 +419,13 @@ class tools
WHERE type = "table"';
break;
case 'sqlite3':
$sql = 'SELECT name
FROM sqlite_master
WHERE type = "table"
AND name <> "sqlite_sequence"';
break;
case 'mssql':
case 'mssql_odbc':
case 'mssqlnative':
@@ -567,6 +604,7 @@ class tools
case 'mysql_41':
case 'postgres':
case 'sqlite':
case 'sqlite3':
$table_sql .= ",\n\t PRIMARY KEY (" . implode(', ', $table_data['PRIMARY_KEY']) . ')';
break;
@@ -604,6 +642,7 @@ class tools
case 'mysql_40':
case 'sqlite':
case 'sqlite3':
$table_sql .= "\n);";
$statements[] = $table_sql;
break;
@@ -722,7 +761,7 @@ class tools
$sqlite = false;
// For SQLite we need to perform the schema changes in a much more different way
if ($this->db->sql_layer == 'sqlite' && $this->return_statements)
if (($this->db->sql_layer == 'sqlite' || $this->db->sql_layer == 'sqlite3') && $this->return_statements)
{
$sqlite_data = array();
$sqlite = true;
@@ -1140,6 +1179,7 @@ class tools
break;
case 'sqlite':
case 'sqlite3':
$sql = "SELECT sql
FROM sqlite_master
WHERE type = 'table'
@@ -1273,6 +1313,7 @@ class tools
break;
case 'sqlite':
case 'sqlite3':
$sql = "PRAGMA index_list('" . $table_name . "');";
$col = 'name';
break;
@@ -1293,6 +1334,7 @@ class tools
case 'oracle':
case 'postgres':
case 'sqlite':
case 'sqlite3':
$row[$col] = substr($row[$col], strlen($table_name) + 1);
break;
}
@@ -1377,6 +1419,7 @@ class tools
break;
case 'sqlite':
case 'sqlite3':
$sql = "PRAGMA index_list('" . $table_name . "');";
$col = 'name';
break;
@@ -1390,7 +1433,7 @@ class tools
continue;
}
if ($this->sql_layer == 'sqlite' && !$row['unique'])
if (($this->sql_layer == 'sqlite' || $this->sql_layer == 'sqlite3') && !$row['unique'])
{
continue;
}
@@ -1418,6 +1461,7 @@ class tools
case 'firebird':
case 'postgres':
case 'sqlite':
case 'sqlite3':
$row[$col] = substr($row[$col], strlen($table_name) + 1);
break;
}
@@ -1629,11 +1673,17 @@ class tools
break;
case 'sqlite':
case 'sqlite3':
$return_array['primary_key_set'] = false;
if (isset($column_data[2]) && $column_data[2] == 'auto_increment')
{
$sql .= ' INTEGER PRIMARY KEY';
$return_array['primary_key_set'] = true;
if ($this->sql_layer === 'sqlite3')
{
$sql .= ' AUTOINCREMENT';
}
}
else
{
@@ -1770,13 +1820,14 @@ class tools
break;
case 'sqlite':
case 'sqlite3':
if ($inline && $this->return_statements)
{
return $column_name . ' ' . $column_data['column_type_sql'];
}
if (version_compare(sqlite_libversion(), '3.0') == -1)
if (version_compare($this->db->sql_server_info(true), '3.0') == -1)
{
$sql = "SELECT sql
FROM sqlite_master
@@ -1829,7 +1880,7 @@ class tools
}
else
{
$statements[] = 'ALTER TABLE ' . $table_name . ' ADD ' . $column_name . ' [' . $column_data['column_type_sql'] . ']';
$statements[] = 'ALTER TABLE ' . $table_name . ' ADD ' . $column_name . ' ' . $column_data['column_type_sql'];
}
break;
}
@@ -1908,67 +1959,61 @@ class tools
break;
case 'sqlite':
case 'sqlite3':
if ($inline && $this->return_statements)
{
return $column_name;
}
if (version_compare(sqlite_libversion(), '3.0') == -1)
$sql = "SELECT sql
FROM sqlite_master
WHERE type = 'table'
AND name = '{$table_name}'
ORDER BY type DESC, name;";
$result = $this->db->sql_query($sql);
if (!$result)
{
$sql = "SELECT sql
FROM sqlite_master
WHERE type = 'table'
AND name = '{$table_name}'
ORDER BY type DESC, name;";
$result = $this->db->sql_query($sql);
if (!$result)
{
break;
}
$row = $this->db->sql_fetchrow($result);
$this->db->sql_freeresult($result);
$statements[] = 'begin';
// Create a backup table and populate it, destroy the existing one
$statements[] = preg_replace('#CREATE\s+TABLE\s+"?' . $table_name . '"?#i', 'CREATE TEMPORARY TABLE ' . $table_name . '_temp', $row['sql']);
$statements[] = 'INSERT INTO ' . $table_name . '_temp SELECT * FROM ' . $table_name;
$statements[] = 'DROP TABLE ' . $table_name;
preg_match('#\((.*)\)#s', $row['sql'], $matches);
$new_table_cols = trim($matches[1]);
$old_table_cols = preg_split('/,(?![\s\w]+\))/m', $new_table_cols);
$column_list = array();
foreach ($old_table_cols as $declaration)
{
$entities = preg_split('#\s+#', trim($declaration));
if ($entities[0] == 'PRIMARY' || $entities[0] === $column_name)
{
continue;
}
$column_list[] = $entities[0];
}
$columns = implode(',', $column_list);
$new_table_cols = preg_replace('/' . $column_name . '[^,]+(?:,|$)/m', '', $new_table_cols);
// create a new table and fill it up. destroy the temp one
$statements[] = 'CREATE TABLE ' . $table_name . ' (' . $new_table_cols . ');';
$statements[] = 'INSERT INTO ' . $table_name . ' (' . $columns . ') SELECT ' . $columns . ' FROM ' . $table_name . '_temp;';
$statements[] = 'DROP TABLE ' . $table_name . '_temp';
$statements[] = 'commit';
break;
}
else
$row = $this->db->sql_fetchrow($result);
$this->db->sql_freeresult($result);
$statements[] = 'begin';
// Create a backup table and populate it, destroy the existing one
$statements[] = preg_replace('#CREATE\s+TABLE\s+"?' . $table_name . '"?#i', 'CREATE TEMPORARY TABLE ' . $table_name . '_temp', $row['sql']);
$statements[] = 'INSERT INTO ' . $table_name . '_temp SELECT * FROM ' . $table_name;
$statements[] = 'DROP TABLE ' . $table_name;
preg_match('#\((.*)\)#s', $row['sql'], $matches);
$new_table_cols = trim($matches[1]);
$old_table_cols = preg_split('/,(?![\s\w]+\))/m', $new_table_cols);
$column_list = array();
foreach ($old_table_cols as $declaration)
{
$statements[] = 'ALTER TABLE ' . $table_name . ' DROP COLUMN ' . $column_name;
$entities = preg_split('#\s+#', trim($declaration));
if ($entities[0] == 'PRIMARY' || $entities[0] === $column_name)
{
continue;
}
$column_list[] = $entities[0];
}
$columns = implode(',', $column_list);
$new_table_cols = preg_replace('/' . $column_name . '[^,]+(?:,|$)/m', '', $new_table_cols);
// create a new table and fill it up. destroy the temp one
$statements[] = 'CREATE TABLE ' . $table_name . ' (' . $new_table_cols . ');';
$statements[] = 'INSERT INTO ' . $table_name . ' (' . $columns . ') SELECT ' . $columns . ' FROM ' . $table_name . '_temp;';
$statements[] = 'DROP TABLE ' . $table_name . '_temp';
$statements[] = 'commit';
break;
}
@@ -1998,6 +2043,7 @@ class tools
case 'oracle':
case 'postgres':
case 'sqlite':
case' sqlite3':
$statements[] = 'DROP INDEX ' . $table_name . '_' . $index_name;
break;
}
@@ -2104,6 +2150,7 @@ class tools
break;
case 'sqlite':
case 'sqlite3':
if ($inline && $this->return_statements)
{
@@ -2182,6 +2229,7 @@ class tools
case 'postgres':
case 'oracle':
case 'sqlite':
case 'sqlite3':
$statements[] = 'CREATE UNIQUE INDEX ' . $table_name . '_' . $index_name . ' ON ' . $table_name . '(' . implode(', ', $column) . ')';
break;
@@ -2225,6 +2273,7 @@ class tools
case 'postgres':
case 'oracle':
case 'sqlite':
case 'sqlite3':
$statements[] = 'CREATE INDEX ' . $table_name . '_' . $index_name . ' ON ' . $table_name . '(' . implode(', ', $column) . ')';
break;
@@ -2316,6 +2365,7 @@ class tools
break;
case 'sqlite':
case 'sqlite3':
$sql = "PRAGMA index_info('" . $table_name . "');";
$col = 'name';
break;
@@ -2335,6 +2385,7 @@ class tools
case 'oracle':
case 'postgres':
case 'sqlite':
case 'sqlite3':
$row[$col] = substr($row[$col], strlen($table_name) + 1);
break;
}
@@ -2488,6 +2539,7 @@ class tools
break;
case 'sqlite':
case 'sqlite3':
if ($inline && $this->return_statements)
{