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extended function PMA_DBI_get_tables_full():

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- make use of information_schema
  - always fill fields for information_schema and show table status
This commit is contained in:
Sebastian Mendel
2005-10-21 13:32:06 +00:00
parent 330da1cf27
commit 5343b53fad
2 changed files with 162 additions and 7 deletions
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162
libraries/database_interface.lib.php
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@@ -69,13 +69,163 @@ function PMA_DBI_get_tables($database, $link = NULL) {
return $tables;
}
function PMA_DBI_get_tables_full($database, $link = NULL) {
$result = PMA_DBI_query('SHOW TABLE STATUS FROM ' . PMA_backquote($database) . ';', NULL, PMA_DBI_QUERY_STORE);
$tables = array();
while ($row = PMA_DBI_fetch_assoc($result)) {
$tables[$row['Name']] = $row;
/**
* returns array of all tables in given db or dbs
* this function expects unqoted names:
* RIGHT: my_database
* WRONG: `my_database`
* WRONG: my\_database
* if $tbl_is_group is true, $table is used as filter for table names
* if $tbl_is_group is 'comment, $table is used as filter for table comments
*
* <code>
* PMA_DBI_get_tables_full( 'my_database' );
* PMA_DBI_get_tables_full( 'my_database', 'my_table' ) );
* PMA_DBI_get_tables_full( 'my_database', 'my_tables_', true ) );
* PMA_DBI_get_tables_full( 'my_database', 'my_tables_', 'comment' ) );
* </code>
*
* @uses PMA_MYSQL_INT_VERSION
* @uses PMA_DBI_fetch_result()
* @uses PMA_escape_mysql_wildcards()
* @uses PMA_backquote()
* @uses is_array()
* @uses addslashes()
* @uses strpos()
* @uses strtoupper()
* @param string $databases database
* @param string $table table
* @param boolean|string $tbl_is_group $table is a table group
* @param resource $link mysql link
* @return array list of tbales in given db(s)
*/
function PMA_DBI_get_tables_full( $database, $table = false,
$tbl_is_group = false, $link = NULL )
{
// prepare and check parameters
if ( empty( $database ) ) {
return false;
} elseif ( false !== strpos( '`', $database ) ) {
// found ` in name
return false;
} elseif ( false !== strpos( '\\', $database ) ) {
// found \ in name
return false;
}
PMA_DBI_free_result($result);
if ( PMA_MYSQL_INT_VERSION >= 50002 ) {
// get table information from information_schema
if ( $table ) {
if ( true === $tbl_is_group ) {
$sql_where_table = 'AND `TABLE_NAME` LIKE "'
. PMA_escape_mysql_wildcards( addslashes( $table ) ) . '%"';
} elseif ( 'comment' === $tbl_is_group ) {
$sql_where_table = 'AND `TABLE_COMMENT` LIKE "'
. PMA_escape_mysql_wildcards( addslashes( $table ) ) . '%"';
} else {
$sql_where_table = 'AND `TABLE_NAME` = "' . addslashes( $table ) . '"';
}
} else {
$sql_where_table = '';
}
// for PMA bc:
// `SCHEMA_FIELD_NAME` AS `SHOW_TABLE_STATUS_FIELD_NAME`
$sql = '
SELECT *,
`TABLE_SCHEMA` AS `Db`,
`TABLE_NAME` AS `Name`,
`ENGINE` AS `Engine`,
`ENGINE` AS `Type`,
`VERSION` AS `Version`,
`ROW_FORMAT` AS `Row_format`,
`TABLE_ROWS` AS `Rows`,
`AVG_ROW_LENGTH` AS `Avg_row_length`,
`DATA_LENGTH` AS `Data_length`,
`MAX_DATA_LENGTH` AS `Max_data_length`,
`INDEX_LENGTH` AS `Index_length`,
`DATA_FREE` AS `Data_free`,
`AUTO_INCREMENT` AS `Auto_increment`,
`CREATE_TIME` AS `Create_time`,
`UPDATE_TIME` AS `Update_time`,
`CHECK_TIME` AS `Check_time`,
`TABLE_COLLATION` AS `Collation`,
`CHECKSUM` AS `Checksum`,
`CREATE_OPTIONS` AS `Create_options`,
`TABLE_COMMENT` AS `Comment`
FROM `information_schema`.`TABLES`
WHERE `TABLE_SCHEMA` = "' . addslashes( $database ) . '"
' . $sql_where_table;
$tables = PMA_DBI_fetch_result( $sql, 'TABLE_NAME', NULL, $link );
unset( $sql_where_table, $sql );
} else {
if ( true === $tbl_is_group ) {
$sql = 'SHOW TABLE STATUS FROM '
. PMA_backquote( addslashes( $database ) )
.' LIKE "' . PMA_escape_mysql_wildcards( addslashes( $table ) ) . '%"';
} else {
$sql = 'SHOW TABLE STATUS FROM '
. PMA_backquote( addslashes( $database ) ) . ';';
}
$tables = PMA_DBI_fetch_result( $sql, 'Name', NULL, $link );
foreach ( $tables as $table_name => $each_table ) {
if ( 'comment' === $tbl_is_group
&& 0 === strpos( $each_table['Comment'], $table ) )
{
// remove table from list
unset( $tables[$table_name] );
continue;
}
if ( ! isset( $tables[$table_name]['Type'] )
&& isset( $tables[$table_name]['Engine'] ) ) {
// pma BC, same parts of PMA still uses 'Type'
$tables[$table_name]['Type'] =& $tables[$table_name]['Engine'];
} elseif ( ! isset( $tables[$table_name]['Engine'] )
&& isset( $tables[$table_name]['Type'] ) ) {
// old MySQL reports Type, newer MySQL reports Engine
$tables[$table_name]['Engine'] =& $tables[$table_name]['Type'];
}
// MySQL forward compatibility
// so pma could use this array as if every server is of version >5.0
$tables[$table_name]['TABLE_SCHEMA'] = $database;
$tables[$table_name]['TABLE_NAME'] =& $tables[$table_name]['Name'];
$tables[$table_name]['ENGINE'] =& $tables[$table_name]['Engine'];
$tables[$table_name]['VERSION'] =& $tables[$table_name]['Version'];
$tables[$table_name]['ROW_FORMAT'] =& $tables[$table_name]['Row_format'];
$tables[$table_name]['TABLE_ROWS'] =& $tables[$table_name]['Rows'];
$tables[$table_name]['AVG_ROW_LENGTH'] =& $tables[$table_name]['Avg_row_length'];
$tables[$table_name]['DATA_LENGTH'] =& $tables[$table_name]['Data_length'];
$tables[$table_name]['MAX_DATA_LENGTH'] =& $tables[$table_name]['Max_data_length'];
$tables[$table_name]['INDEX_LENGTH'] =& $tables[$table_name]['Index_length'];
$tables[$table_name]['DATA_FREE'] =& $tables[$table_name]['Data_free'];
$tables[$table_name]['AUTO_INCREMENT'] =& $tables[$table_name]['Auto_increment'];
$tables[$table_name]['CREATE_TIME'] =& $tables[$table_name]['Create_time'];
$tables[$table_name]['UPDATE_TIME'] =& $tables[$table_name]['Update_time'];
$tables[$table_name]['CHECK_TIME'] =& $tables[$table_name]['Check_time'];
$tables[$table_name]['TABLE_COLLATION'] =& $tables[$table_name]['Collation'];
$tables[$table_name]['CHECKSUM'] =& $tables[$table_name]['Checksum'];
$tables[$table_name]['CREATE_OPTIONS'] =& $tables[$table_name]['Create_options'];
$tables[$table_name]['TABLE_COMMENT'] =& $tables[$table_name]['Comment'];
if ( strtoupper( $tables[$table_name]['Comment'] ) === 'VIEW' ) {
$tables[$table_name]['TABLE_TYPE'] = 'VIEW';
} else {
// TODO difference between 'TEMPORARY' and 'BASE TABLE'
// but how to detect?
$tables[$table_name]['TABLE_TYPE'] = 'BASE TABLE';
}
}
}
if ( $GLOBALS['cfg']['NaturalOrder'] ) {
uksort( $tables, 'strnatcasecmp' );
}
return $tables;
}