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mirror of https://github.com/MariaDB/server.git synced 2025-07-29 05:21:33 +03:00

Merge 10.3 into 10.4

This commit is contained in:
Marko Mäkelä
2021-04-21 07:58:42 +03:00
33 changed files with 675 additions and 127 deletions

View File

@ -1,6 +1,6 @@
/*
Copyright (c) 2000, 2019, Oracle and/or its affiliates.
Copyright (c) 2010, 2020, MariaDB
Copyright (c) 2010, 2021, MariaDB
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
@ -8318,7 +8318,7 @@ mysql_prepare_alter_table(THD *thd, TABLE *table,
def->real_field_type() == MYSQL_TYPE_NEWDATE ||
def->real_field_type() == MYSQL_TYPE_DATETIME ||
def->real_field_type() == MYSQL_TYPE_DATETIME2) &&
!alter_ctx->datetime_field &&
!alter_ctx->datetime_field && !def->field &&
!(~def->flags & (NO_DEFAULT_VALUE_FLAG | NOT_NULL_FLAG)) &&
thd->variables.sql_mode & MODE_NO_ZERO_DATE)
{
@ -8527,7 +8527,7 @@ mysql_prepare_alter_table(THD *thd, TABLE *table,
key_parts.push_back(new (thd->mem_root) Key_part_spec(&cfield->field_name,
key_part_length, true),
thd->mem_root);
if (cfield->invisible < INVISIBLE_SYSTEM)
if (!(cfield->invisible == INVISIBLE_SYSTEM && cfield->vers_sys_field()))
user_keyparts= true;
}
if (table->s->tmp_table == NO_TMP_TABLE)
@ -8539,6 +8539,14 @@ mysql_prepare_alter_table(THD *thd, TABLE *table,
(void) delete_statistics_for_index(thd, table, key_info, TRUE);
}
if (!user_keyparts && key_parts.elements)
{
/*
If we dropped all user key-parts we also drop implicit system fields.
*/
key_parts.empty();
}
if (key_parts.elements)
{
KEY_CREATE_INFO key_create_info;
@ -8574,7 +8582,7 @@ mysql_prepare_alter_table(THD *thd, TABLE *table,
key_type= Key::PRIMARY;
else
key_type= Key::UNIQUE;
if (dropped_key_part && user_keyparts)
if (dropped_key_part)
{
my_error(ER_KEY_COLUMN_DOES_NOT_EXITS, MYF(0), dropped_key_part);
if (long_hash_key)