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MDEV-16937 Strict SQL with system versioned tables causes issues (10.4)

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Respect system fields in NO_ZERO_DATE mode.

This is the subject for refactoring in MDEV-19597

Conflict resolution from 7d5223310789f967106d86ce193ef31b315ecff0
This commit is contained in:
Aleksey Midenkov
2020-05-29 11:45:19 +03:00
parent 278facee7c
commit 57f7b4866f
18 changed files with 68 additions and 33 deletions
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sql/sql_table.cc
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@ -4262,6 +4262,7 @@ mysql_prepare_create_table(THD *thd, HA_CREATE_INFO *create_info,
if (thd->variables.sql_mode & MODE_NO_ZERO_DATE &&
!sql_field->default_value && !sql_field->vcol_info &&
!sql_field->vers_sys_field() &&
sql_field->is_timestamp_type() &&
!opt_explicit_defaults_for_timestamp &&
(sql_field->flags & NOT_NULL_FLAG) &&