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Add support for SHOW TABLE STATUS LIKE queries #77

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merged 3 commits into from
Apr 4, 2024
Merged

Add support for SHOW TABLE STATUS LIKE queries #77

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5aa5564
Add support for SHOW TABLE STATUS LIKE queries
adamziel Mar 20, 2024
4dc4f5a
Update tests/WP_SQLite_Translator_Tests.php
adamziel Mar 20, 2024
866477b
Merge branch 'main' into add-show-table-status-like
aristath Apr 4, 2024
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113 changes: 113 additions & 0 deletions tests/WP_SQLite_Translator_Tests.php
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Original file line number Diff line number Diff line change
Expand Up @@ -195,6 +195,119 @@ public function testShowTablesLike() {
);
}

public function testShowTableStatusFrom()
{
// Created in setUp() function
$this->assertQuery("DROP TABLE _options");
$this->assertQuery("DROP TABLE _dates");

$this->assertQuery(
"CREATE TABLE _tmp_table (
ID INTEGER PRIMARY KEY AUTO_INCREMENT NOT NULL,
option_name TEXT NOT NULL default '',
option_value TEXT NOT NULL default ''
);"
);

$this->assertQuery(
"SHOW TABLE STATUS FROM 'mydb';"
);

$this->assertCount(
1,
$this->engine->get_query_results()
);
}

public function testShowTableStatusIn()
{
// Created in setUp() function
$this->assertQuery("DROP TABLE _options");
$this->assertQuery("DROP TABLE _dates");

$this->assertQuery(
"CREATE TABLE _tmp_table (
ID INTEGER PRIMARY KEY AUTO_INCREMENT NOT NULL,
option_name TEXT NOT NULL default '',
option_value TEXT NOT NULL default ''
);"
);

$this->assertQuery(
"SHOW TABLE STATUS IN 'mydb';"
);

$this->assertCount(
1,
$this->engine->get_query_results()
);
}

public function testShowTableStatusInTwoTables()
{
// Created in setUp() function
$this->assertQuery("DROP TABLE _options");
$this->assertQuery("DROP TABLE _dates");

$this->assertQuery(
"CREATE TABLE _tmp_table (
ID INTEGER PRIMARY KEY AUTO_INCREMENT NOT NULL,
option_name TEXT NOT NULL default '',
option_value TEXT NOT NULL default ''
);"
);

$this->assertQuery(
"CREATE TABLE _tmp_table2 (
ID INTEGER PRIMARY KEY AUTO_INCREMENT NOT NULL,
option_name TEXT NOT NULL default '',
option_value TEXT NOT NULL default ''
);"
);
$this->assertQuery(
"SHOW TABLE STATUS IN 'mydb';"
);

$this->assertCount(
2,
$this->engine->get_query_results()
);
}

public function testShowTableStatusLike() {
// Created in setUp() function
$this->assertQuery("DROP TABLE _options");
$this->assertQuery("DROP TABLE _dates");

$this->assertQuery(
"CREATE TABLE _tmp_table1 (
ID INTEGER PRIMARY KEY AUTO_INCREMENT NOT NULL,
option_name TEXT NOT NULL default '',
option_value TEXT NOT NULL default ''
);"
);

$this->assertQuery(
"CREATE TABLE _tmp_table2 (
ID INTEGER PRIMARY KEY AUTO_INCREMENT NOT NULL,
option_name TEXT NOT NULL default '',
option_value TEXT NOT NULL default ''
);"
);

$this->assertQuery(
"SHOW TABLE STATUS LIKE '_tmp_table%';"
);
$this->assertCount(
2,
$this->engine->get_query_results()
);
$this->assertEquals(
'_tmp_table1',
$this->engine->get_query_results()[0]->Name
);
}

public function testCreateTable() {
$result = $this->assertQuery(
"CREATE TABLE wptests_users (
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11 changes: 11 additions & 0 deletions tests/bootstrap.php
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Expand Up @@ -7,6 +7,17 @@
require_once __DIR__ . '/../wp-includes/sqlite/class-wp-sqlite-pdo-user-defined-functions.php';
require_once __DIR__ . '/../wp-includes/sqlite/class-wp-sqlite-translator.php';

/**
* Polyfills for WordPress functions
*/

function do_action( $tag, ...$args ) {
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}

function apply_filters( $tag, $value, ...$args ) {
return $value;
}

/**
* Polyfills for php 8 functions
*/
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50 changes: 47 additions & 3 deletions wp-includes/sqlite/class-wp-sqlite-translator.php
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Original file line number Diff line number Diff line change
Expand Up @@ -3141,12 +3141,56 @@ function ( $row ) use ( $name_map ) {
return;

case 'TABLE STATUS': // FROM `database`.
$this->rewriter->skip();
// Match the optional [{FROM | IN} db_name]
$database_expression = $this->rewriter->consume();
if ( $database_expression->token === 'FROM' || $database_expression->token === 'IN' ) {
$this->rewriter->consume();
$database_expression = $this->rewriter->consume();
}

$pattern = '%';
// [LIKE 'pattern' | WHERE expr]
if($database_expression->token === 'LIKE') {
$pattern = $this->rewriter->consume()->value;
} else if($database_expression->token === 'WHERE') {
// @TODO Support me please.
} else if($database_expression->token !== ';') {
throw new Exception( 'Syntax error: Unexpected token ' . $database_expression->token .' in query '. $this->mysql_query );
}

$database_expression = $this->rewriter->skip();
$stmt = $this->execute_sqlite_query(
"SELECT name as `Name`, 'myisam' as `Engine`, 0 as `Data_length`, 0 as `Index_length`, 0 as `Data_free` FROM sqlite_master WHERE type='table' ORDER BY name"
<<<SQL
SELECT
name as `Name`,
'myisam' as `Engine`,
10 as `Version`,
'Fixed' as `Row_format`,
0 as `Rows`,
0 as `Avg_row_length`,
0 as `Data_length`,
0 as `Max_data_length`,
0 as `Index_length`,
0 as `Data_free` ,
0 as `Auto_increment`,
'2024-03-20 15:33:20' as `Create_time`,
'2024-03-20 15:33:20' as `Update_time`,
null as `Check_time`,
null as `Collation`,
null as `Checksum`,
'' as `Create_options`,
'' as `Comment`
FROM sqlite_master
WHERE
type='table'
AND name LIKE :pattern
ORDER BY name
SQL,

array(
':pattern' => $pattern,
)
);

$tables = $this->strip_sqlite_system_tables( $stmt->fetchAll( $this->pdo_fetch_mode ) );
foreach ( $tables as $table ) {
$table_name = $table->Name; // phpcs:ignore WordPress.NamingConventions.ValidVariableName.UsedPropertyNotSnakeCase
Expand Down