SHOW [FULL] COLUMNS (2d108230) · Commits · Software / OSDI20 Artifacts / mariadb

Docs/manual.texi

+9 −5

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		@@ -20129,7 +20129,7 @@ commands to examine and kill threads.
		@example
		SHOW DATABASES [LIKE wild]
		or SHOW [OPEN] TABLES [FROM db_name] [LIKE wild]
		or SHOW COLUMNS FROM tbl_name [FROM db_name] [LIKE wild]
		or SHOW [FULL] COLUMNS FROM tbl_name [FROM db_name] [LIKE wild]
		or SHOW INDEX FROM tbl_name [FROM db_name]
		or SHOW TABLE STATUS [FROM db_name] [LIKE wild]
		or SHOW STATUS [LIKE wild]
		@@ -20188,10 +20188,11 @@ db_name}.
		the table cache. @xref{Table cache}. The @code{Comment} field tells
		how many times the table is @code{cached} and @code{in_use}.

		@code{SHOW COLUMNS} lists the columns in a given table. If the column
		types are different than you expect them to be based on a @code{CREATE
		TABLE} statement, note that @strong{MySQL} sometimes changes column
		types. @xref{Silent column changes}.
		@code{SHOW COLUMNS} lists the columns in a given table. If you specify
		the @code{FULL} option, you will also get the privileges you have for
		each column. If the column types are different than you expect them to
		be based on a @code{CREATE TABLE} statement, note that @strong{MySQL}
		sometimes changes column types. @xref{Silent column changes}.

		The @code{DESCRIBE} statement provides information similar to
		@code{SHOW COLUMNS}.
		@@ -40712,6 +40713,9 @@ not yet 100 % confident in this code.
		@appendixsubsec Changes in release 3.23.32
		@itemize @bullet
		@item
		Added option @code{FULL} to @code{SHOW COLUMNS}. Now we only show the
		privilege list for the columns if this option is given.
		@item
		Fixed bug in @code{SHOW LOGS} when there wheren't any BDB logs.
		@item
		Fixed a timing problem in replication that could delay sending an update

client/mysqlshow.c

+1 −1

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		@@ -397,7 +397,7 @@ list_fields(MYSQL mysql,const char db,const char *table,
		mysql_error(mysql));
		return 1;
		}
		end=strmov(strmov(query,"show columns from "),table);
		end=strmov(strmov(query,"show /!32332 FULL / columns from "),table);
		if (wild && wild[0])
		strxmov(end," like '",wild,"'",NullS);
		if (mysql_query(mysql,query) \|\| !(result=mysql_store_result(mysql)))

mysql-test/r/show_check.result

+8 −0

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		@@ -12,6 +12,14 @@ test.t1 check status OK
		Table Op Msg_type Msg_text
		test.t2 check error Table 't2' was not locked with LOCK TABLES
		test.t1 check status OK
		Field Type Null Key Default Extra
		a int(11) PRI 0
		b int(11) MUL 0
		c int(11) 0
		Field Type Null Key Default Extra Privileges
		a int(11) PRI 0 select,insert,update,references
		b int(11) MUL 0 select,insert,update,references
		c int(11) 0 select,insert,update,references
		Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Comment
		t1 0 PRIMARY 1 a A 4 NULL NULL
		t1 1 b 1 b A 1 NULL NULL

mysql-test/t/alter_table.test

+1 −1

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		@@ -34,7 +34,7 @@ PRIMARY KEY (GROUP_ID,LANG_ID),
		KEY NAME (NAME));
		#show table status like "t1";
		ALTER TABLE t1 CHANGE NAME NAME CHAR(80) not null;
		SHOW COLUMNS FROM t1;
		SHOW FULL COLUMNS FROM t1;
		DROP TABLE t1;

		#

mysql-test/t/rpl000001.test

+1 −0

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		@@ -12,6 +12,7 @@ insert into foo values(1),(2);
		save_master_pos;
		connection slave;
		sync_with_master;
		sleep 1;
		use test;
		select * from foo;
		select sum(length(word)) from t1;