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SQL: regression fix: make NOW a valid identifier again [#363]

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* again, as in 10.2, NOW is a keyword only if followed by parentheses
* use AS OF CURRENT_TIMESTAMP or AS OF NOW()
* AS OF CURRENT_TIMESTAMP and AS OF NOW() mean AS OF NOW(6),
  not AS OF NOW(0), (same behavior as in a DEFAULT clause)
This commit is contained in:
Sergei Golubchik
2017-12-02 16:23:16 +01:00
committed by Aleksey Midenkov
parent d3845132fc
commit ea1ccfa500
12 changed files with 79 additions and 66 deletions
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2
sql/sql_partition.cc
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@ -2221,7 +2221,7 @@ static int add_partition_values(String *str, partition_info *part_info,
switch (p_elem->type())
{
case partition_element::AS_OF_NOW:
err+= str->append(STRING_WITH_LEN(" AS OF NOW"));
err+= str->append(STRING_WITH_LEN(" AS OF CURRENT_TIMESTAMP"));
break;
case partition_element::VERSIONING:
err+= str->append(STRING_WITH_LEN(" VERSIONING"));