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Dynamic database name #266

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Merged
JanJakes merged 7 commits into from
Oct 15, 2025
Merged

Dynamic database name #266

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b489eb7
Inject database name in queries dynamically
JanJakes Oct 14, 2025
3f2ffea
Save constant database name in information schema
JanJakes Oct 14, 2025
980dd5a
Correctly save and migrate database name in information schema tables
JanJakes Oct 14, 2025
047f71d
Fix SHOW DATABASES statement
JanJakes Oct 14, 2025
741915c
List information schema columns that store database name
JanJakes Oct 15, 2025
f99a904
Improve tests
JanJakes Oct 15, 2025
98d1ed8
Fix USE statement, add tests
JanJakes Oct 15, 2025
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List information schema columns that store database name
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@JanJakes
JanJakes committed Oct 15, 2025
commit 741915cc9d05a06c4c1a75e7eca7db5546c6288b
13 changes: 12 additions & 1 deletion wp-includes/sqlite-ast/class-wp-sqlite-driver.php
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Original file line number Diff line number Diff line change
Expand Up @@ -3973,10 +3973,21 @@ public function translate_table_ref( WP_Parser_Node $node ): string {

// List all columns in the table, replacing columns targeting database
// name columns with the configured database name.
static $information_schema_db_column_map = array(
'SCHEMA_NAME' => true,
'TABLE_SCHEMA' => true,
'VIEW_SCHEMA' => true,
'INDEX_SCHEMA' => true,
'CONSTRAINT_SCHEMA' => true,
'UNIQUE_CONSTRAINT_SCHEMA' => true,
'REFERENCED_TABLE_SCHEMA' => true,
'TRIGGER_SCHEMA' => true,
);

$expanded_list = array();
foreach ( $columns as $column ) {
$quoted_column = $this->quote_sqlite_identifier( $column );
if ( str_contains( strtolower( $column ), 'schema' ) ) {
if ( isset( $information_schema_db_column_map[ strtoupper( $column ) ] ) ) {
$expanded_list[] = sprintf(
"IIF(%s = 'information_schema', %s, %s) AS %s",
$quoted_column,
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