Merge pull request #973 from tempesta-tech/tt-10.0-MDEV-16499-virtual…

…-innodb

MDEV-16499 ER_NO_SUCH_TABLE_IN_ENGINE followed by "Please drop the table and recreate" upon adding FULLTEXT key to table with virtual column

mysql-test/suite/innodb/r/innodb-virtual-columns.result

@@ -320,3 +320,18 @@ term	uw_id	plan	wdraw_rsn	admit_term
 1035	2	CSM	ACAD	1009
 drop table grad_degree;
 drop table gso_grad_supr;
+CREATE TABLE t1 (a INT, b CHAR(12), c INT AS (a) VIRTUAL, FULLTEXT KEY(b)) ENGINE=InnoDB;
+INSERT INTO t1 (a,b) VALUES (1,'foo');
+SELECT * FROM t1;
+a	b	c
+1	foo	1
+DROP TABLE t1;
+CREATE TABLE t1 (a INT, b CHAR(12), c INT AS (a) VIRTUAL) ENGINE=InnoDB;
+INSERT INTO t1 (a,b) VALUES (1,'foo');
+ALTER TABLE t1 ADD FULLTEXT KEY(b);
+Warnings:
+Warning	124	InnoDB rebuilding table to add column FTS_DOC_ID
+SELECT * FROM t1;
+a	b	c
+1	foo	1
+DROP TABLE t1;

mysql-test/suite/innodb/t/innodb-virtual-columns.test

@@ -300,3 +300,14 @@ select * from gso_grad_supr;
 
 drop table grad_degree;
 drop table gso_grad_supr;
+
+CREATE TABLE t1 (a INT, b CHAR(12), c INT AS (a) VIRTUAL, FULLTEXT KEY(b)) ENGINE=InnoDB;
+INSERT INTO t1 (a,b) VALUES (1,'foo');
+SELECT * FROM t1;
+DROP TABLE t1;
+
+CREATE TABLE t1 (a INT, b CHAR(12), c INT AS (a) VIRTUAL) ENGINE=InnoDB;
+INSERT INTO t1 (a,b) VALUES (1,'foo');
+ALTER TABLE t1 ADD FULLTEXT KEY(b);
+SELECT * FROM t1;
+DROP TABLE t1;

storage/innobase/handler/ha_innodb.cc

@@ -5312,19 +5312,21 @@ ha_innobase::open(
 	ib_table = dict_table_open_on_name(norm_name, FALSE, TRUE, ignore_err);
 
 	if (ib_table
-	    && ((!DICT_TF2_FLAG_IS_SET(ib_table, DICT_TF2_FTS_HAS_DOC_ID)
-		 && table->s->stored_fields != dict_table_get_n_user_cols(ib_table))
-		|| (DICT_TF2_FLAG_IS_SET(ib_table, DICT_TF2_FTS_HAS_DOC_ID)
-		    && (table->s->fields
-			!= dict_table_get_n_user_cols(ib_table) - 1)))) {
+	    && (table->s->stored_fields != dict_table_get_n_user_cols(ib_table)
+		- (DICT_TF2_FLAG_IS_SET(ib_table, DICT_TF2_FTS_HAS_DOC_ID)
+		   ? 1 : 0))) {
 		ib_logf(IB_LOG_LEVEL_WARN,
 			"table %s contains %lu user defined columns "
 			"in InnoDB, but %lu columns in MySQL. Please "
 			"check INFORMATION_SCHEMA.INNODB_SYS_COLUMNS and "
 			REFMAN "innodb-troubleshooting.html "
 			"for how to resolve it",
-			norm_name, (ulong) dict_table_get_n_user_cols(ib_table),
-			(ulong) table->s->fields);
+			norm_name,
+			(ulong) (dict_table_get_n_user_cols(ib_table)
+				 - DICT_TF2_FLAG_IS_SET(ib_table,
+							DICT_TF2_FTS_HAS_DOC_ID)
+				 ? 1 : 0),
+			(ulong) table->s->stored_fields);
 
 		/* Mark this table as corrupted, so the drop table
 		or force recovery can still use it, but not others. */

storage/xtradb/handler/ha_innodb.cc

@@ -5984,19 +5984,21 @@ ha_innobase::open(
 	ib_table = dict_table_open_on_name(norm_name, FALSE, TRUE, ignore_err);
 
 	if (ib_table
-	    && ((!DICT_TF2_FLAG_IS_SET(ib_table, DICT_TF2_FTS_HAS_DOC_ID)
-		 && table->s->stored_fields != dict_table_get_n_user_cols(ib_table))
-		|| (DICT_TF2_FLAG_IS_SET(ib_table, DICT_TF2_FTS_HAS_DOC_ID)
-		    && (table->s->fields
-			!= dict_table_get_n_user_cols(ib_table) - 1)))) {
+	    && (table->s->stored_fields != dict_table_get_n_user_cols(ib_table)
+		- (DICT_TF2_FLAG_IS_SET(ib_table, DICT_TF2_FTS_HAS_DOC_ID)
+		   ? 1 : 0))) {
 		ib_logf(IB_LOG_LEVEL_WARN,
 			"table %s contains %lu user defined columns "
 			"in InnoDB, but %lu columns in MySQL. Please "
 			"check INFORMATION_SCHEMA.INNODB_SYS_COLUMNS and "
 			REFMAN "innodb-troubleshooting.html "
 			"for how to resolve it",
-			norm_name, (ulong) dict_table_get_n_user_cols(ib_table),
-			(ulong) table->s->fields);
+			norm_name,
+			(ulong) (dict_table_get_n_user_cols(ib_table)
+				 - DICT_TF2_FLAG_IS_SET(ib_table,
+							DICT_TF2_FTS_HAS_DOC_ID)
+				 ? 1 : 0),
+			(ulong) table->s->stored_fields);
 
 		/* Mark this table as corrupted, so the drop table
 		or force recovery can still use it, but not others. */