MFH Add table key to getColumnMeta() with SQLite

ext/pdo_sqlite/config.m4

@@ -79,7 +79,12 @@ if test "$PHP_PDO_SQLITE" != "no"; then
         threadsafe_flags="-DSQLITE_THREADSAFE=0"
       fi
 
-      other_flags="-DSQLITE_ENABLE_FTS3=1 -DSQLITE_CORE=1"
+      other_flags="-DSQLITE_ENABLE_FTS3=1 -DSQLITE_CORE=1 -DSQLITE_ENABLE_COLUMN_METADATA=1"
+
+	  dnl As long as intl is not shared we can have ICU support
+      if test "$PHP_INTL" = "yes" && test "$PHP_INTL_SHARED" != "yes"; then
+        other_flags="$other_flags -DSQLITE_ENABLE_ICU=1"
+      fi
 
       if test "$PHP_SQLITE3" != "yes"; then
         PHP_ADD_SOURCES(PHP_EXT_DIR(sqlite3), libsqlite/sqlite3.c)

ext/pdo_sqlite/sqlite_statement.c

@@ -323,6 +323,13 @@ static int pdo_sqlite_stmt_col_meta(pdo_stmt_t *stmt, long colno, zval *return_v
 		add_assoc_string(return_value, "sqlite:decl_type", str, 1);
 	}
 
+#ifdef SQLITE_ENABLE_COLUMN_METADATA
+	str = sqlite3_column_table_name(S->stmt, colno);
+	if (str) {
+		add_assoc_string(return_value, "table", str, 1);
+	}
+#endif
+
 	add_assoc_zval(return_value, "flags", flags);
 
 	return SUCCESS;

ext/pdo_sqlite/tests/bug_42589.phpt

@@ -0,0 +1,23 @@
+--TEST--
+PDO SQLite Feature Request #42589 (getColumnMeta() should also return table name)
+--SKIPIF--
+<?php
+if (!extension_loaded('pdo') || !extension_loaded('pdo_sqlite')) die('skip not loaded');
+?>
+--FILE--
+<?php
+$db = new PDO("sqlite::memory:");
+
+$db->exec('CREATE TABLE test (field1 VARCHAR(10))');
+$db->exec('INSERT INTO test VALUES("test")');
+
+$result = $db->query('SELECT * FROM test t1 LEFT JOIN test t2 ON t1.field1 = t2.field1');
+$meta1 = $result->getColumnMeta(0);
+$meta2 = $result->getColumnMeta(1);
+
+var_dump(!empty($meta1['table']) && $meta1['table'] == 'test');
+var_dump(!empty($meta2['table']) && $meta2['table'] == 'test');
+?>
+--EXPECTF--
+bool(true)
+bool(true)

ext/sqlite3/config0.m4

@@ -67,7 +67,7 @@ if test $PHP_SQLITE3 != "no"; then
       debug_flags="-DSQLITE_DEBUG=1"
     fi
 
-    other_flags="-DSQLITE_ENABLE_FTS3=1 -DSQLITE_CORE=1"
+    other_flags="-DSQLITE_ENABLE_FTS3=1 -DSQLITE_CORE=1 -DSQLITE_ENABLE_COLUMN_METADATA=1"
 
 	dnl As long as intl is not shared we can have ICU support
     if test "$PHP_INTL" = "yes" && test "$PHP_INTL_SHARED" != "yes"; then