Commit ce541b29 authored by monty@hundin.mysql.fi's avatar monty@hundin.mysql.fi
Browse files

support for unsigned FLOAT/DOUBLE

parent 2ac18e9b

Docs/manual.texi

+31 −6
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@@ -4532,7 +4532,7 @@ MySQL Server also supports 
the following additional type attributes:

@itemize @bullet

@item

@code{UNSIGNED} option for integer columns.

@code{UNSIGNED} option for integer and floating point columns.

@item

@code{ZEROFILL} option for integer columns.

@item
@@ -8148,6 +8148,10 @@ version 4.0; 














@itemize @bullet















@item













@code{DOUBLE} and @code{FLOAT} columns are now honoring the













@code{UNSIGNED} flag on storage (before @code{UNSIGNED} was ignored for













these columns).













@item















Use @code{ORDER BY column DESC} now always sorts @code{NULL} values















first; In 3.23 this was not always consistent.















@item










@@ -8177,6 +8181,9 @@ you need to rebuild them with @code{ALTER TABLE table_name TYPE=MyISAM},













@code{LOCATE()} and @code{INSTR()} are case sensitive if one of the















arguments is a binary string.















@item













@code{STRCMP()} now uses the current character set when doing comparison,













which means that the default comparison is case insensitive.













@item















@code{HEX(string)} now returns the characters in string converted to















hexadecimal.  If you want to convert a number to hexadecimal, you should















ensure that you call @code{HEX()} with a numeric argument.










@@ -33467,8 +33474,6 @@ restrictions:













@itemize @bullet















@item















Only the last @code{SELECT} command can have @code{INTO OUTFILE}.













@item













Only the last @code{SELECT} command can have @code{ORDER BY}.















@end itemize





























If you don't use the keyword @code{ALL} for the @code{UNION}, all









@@ -33476,6 +33481,13 @@ returned rows will be unique, like if you had done a @code{DISTINCT} for













the total result set.  If you specify @code{ALL}, then you will get all















matching rows from all the used @code{SELECT} statements.



























If you want to use an @code{ORDER BY} for the total @code{UNION} result,













you should use parentheses:

























@example













(SELECT a FROM table_name WHERE a=10 AND B=1 ORDER BY a LIMIT 10) UNION













(SELECT a FROM table_name WHERE a=11 AND B=2 ORDER BY a LIMIT 10) ORDER BY a;













@end example





























@findex HANDLER















@node HANDLER, INSERT, SELECT, Data Manipulation










@@ -41741,9 +41753,11 @@ set has been read.



























If you acquire a result set from a successful call to















@code{mysql_store_result()}, the client receives the entire set in one













operation.  In this case, a @code{NULL} return from @code{mysql_fetch_row()}













always means the end of the result set has been reached and it is













unnecessary to call @code{mysql_eof()}.













operation.  In this case, a @code{NULL} return from













@code{mysql_fetch_row()} always means the end of the result set has been













reached and it is unnecessary to call @code{mysql_eof()}.  When used













with @code{mysql_store_result()}, @code{mysql_eof()} will always return













true.





























On the other hand, if you use @code{mysql_use_result()} to initiate a result















set retrieval, the rows of the set are obtained from the server one by one as










@@ -48730,6 +48744,11 @@ Our TODO section contains what we plan to have in 4.0. @xref{TODO MySQL 4.0}.



























@itemize @bullet















@item













A lot of fixes to @code{UNION}.













@item













@code{DOUBLE} and @code{FLOAT} columns are now honoring the













@code{UNSIGNED} flag on storage.













@item















Fixed bug with indexless boolean fulltext search.















@item















Fixed bug that sometimes appeared when fulltext search was used










@@ -48934,6 +48953,9 @@ now handle signed and unsigned @code{BIGINT} numbers correctly.













@item















New character set @code{latin_de} which provides correct German sorting.















@item













@code{STRCMP()} now uses the current character set when doing comparison,













which means that the default comparison is case insensitive.













@item















@code{TRUNCATE TABLE} and @code{DELETE FROM table_name} are now separate















functions. One bonus is that @code{DELETE FROM table_name} now returns















the number of deleted rows.










@@ -49118,6 +49140,9 @@ not yet 100% confident in this code.













@appendixsubsec Changes in release 3.23.50















@itemize @bullet















@item













Our Linux RPMS and binaries are now compiled with gcc 3.0.4, which should













make them a bit faster.













@item















Fixed problem with @code{SHOW CREATE TABLE} and @code{PRIMARY KEY} when using















32 indexes.















@item

























configure.in



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@@ -974,7 +974,8 @@ Reference Manual.])













        if test -f /usr/shlib/libpthread.so -a -f /usr/lib/libmach.a -a -f /usr/ccs/lib/cmplrs/cc/libexc.a















	then















	  with_named_thread="-lpthread -lmach -lexc"













	  #with_named_thread="-lpthread -lmach -lexc -lc"













	  CFLAGS="$CFLAGS -D_REENTRANT"













	  CXXFLAGS="$CXXFLAGS -D_REENTRANT"















	  AC_DEFINE(HAVE_DEC_THREADS)















	  AC_MSG_RESULT("yes")















	else

































include/config-win.h



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@@ -31,7 +31,7 @@













#define	SYSTEM_TYPE	"Win95/Win98"















#endif





























#ifdef _WIN64













#if defined(_WIN64) || defined(WIN64)















#define MACHINE_TYPE	"ia64"		/* Define to machine type name */















#else















#define MACHINE_TYPE	"i32"		/* Define to machine type name */

































include/mysql_com.h



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@@ -108,8 +108,8 @@ enum enum_server_command {COM_SLEEP,COM_QUIT,COM_INIT_DB,COM_QUERY,













struct st_vio;					/* Only C */















typedef struct st_vio Vio;





























#define MAX_CHAR_WIDTH		255	// Max length for a CHAR colum













#define MAX_BLOB_WIDTH		8192	// Default width for blob













#define MAX_CHAR_WIDTH		255	/* Max length for a CHAR colum */













#define MAX_BLOB_WIDTH		8192	/* Default width for blob */































typedef struct st_net {















  Vio* vio;

































libmysql/libmysql.c



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@@ -701,7 +701,7 @@ static const char *default_options[]=













  "character-set-dir", "default-character-set", "interactive-timeout",















  "connect-timeout", "local-infile", "disable-local-infile",















  "replication-probe", "enable-reads-from-master", "repl-parse-query",













  "ssl-chiper",













  "ssl-cipher",















 NullS















};