Use new bitmap interface (d487e5a9) · Commits · Software / OSDI20 Artifacts / mariadb

Docs/manual.texi

+4 −0

Original line number	Diff line number	Diff line
		@@ -41096,6 +41096,8 @@ Our TODO section contains what we plan to have in 4.0. @xref{TODO MySQL 4.0}.

		@itemize @bullet
		@item
		Changed output format of @code{SHOW OPEN TABLES}.
		@item
		Allow @code{SELECT expression LIMIT ...}.
		@item
		Added @code{IDENTITY} as a synonym for @code{AUTO_INCREMENT} (like SyBase).
		@@ -41175,6 +41177,8 @@ not yet 100 % confident in this code.
		@appendixsubsec Changes in release 3.23.33
		@itemize bullet
		@item
		Removed warnings when running @code{REPAIR TABLE .. EXTENDED}.
		@item
		Fixed core-dump bug when using @code{GROUP BY} on an alias, where
		the alias was the same as an existing column name.
		@item

+3 −3

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		@@ -879,9 +879,9 @@ then
		MYSQL_REMOVE_SOCKET_FROM_LIBS_HACK
		if expr "$CC" : ".gcc."
		then
		with_named_thread="-pthread -lnsl"
		with_named_thread="-pthread -lsocket -lnsl"
		else
		with_named_thread="-Kthread -lnsl"
		with_named_thread="-Kthread -lsocket -lnsl"
		fi
		if expr "$SYSTEM_TYPE" : ".*unixware7.0.0" > /dev/null
		then
		@@ -923,7 +923,7 @@ then
		if test -f /usr/lib/libthread.so -o -f /usr/lib/libthreadT.so
		then
		MYSQL_REMOVE_SOCKET_FROM_LIBS_HACK
		with_named_thread="-Kthread -lnsl"
		with_named_thread="-Kthread -lsocket -lnsl"
		if expr "$SYSTEM_TYPE" : ".*unixware7.0.0" > /dev/null
		then
		AC_DEFINE(HAVE_UNIXWARE7_THREADS)

+23 −1

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		@@ -811,6 +811,28 @@ typedef union {
		#else
		#define float4get(V,M) memcpy_fixed((byte) &V,(byte) (M),sizeof(float))
		#define float4store(V,M) memcpy_fixed((byte) V,(byte) (&M),sizeof(float))

		#if (__FLOAT_WORD_ORDER == __BIG_ENDIAN)
		#define doublestore(T,V) { (T)= ((byte ) &V)[4];\
		((T)+1)=(char) ((byte ) &V)[5];\
		((T)+2)=(char) ((byte ) &V)[6];\
		((T)+3)=(char) ((byte ) &V)[7];\
		((T)+4)=(char) ((byte ) &V)[0];\
		((T)+5)=(char) ((byte ) &V)[1];\
		((T)+6)=(char) ((byte ) &V)[2];\
		((T)+7)=(char) ((byte ) &V)[3]; }
		#define doubleget(V,M) { double def_temp;\
		((byte*) &def_temp)[0]=(M)[4];\
		((byte*) &def_temp)[1]=(M)[5];\
		((byte*) &def_temp)[2]=(M)[6];\
		((byte*) &def_temp)[3]=(M)[7];\
		((byte*) &def_temp)[4]=(M)[0];\
		((byte*) &def_temp)[5]=(M)[1];\
		((byte*) &def_temp)[6]=(M)[2];\
		((byte*) &def_temp)[7]=(M)[3];\
		(V) = def_temp; }
		#endif /* __FLOAT_WORD_ORDER */

		#define float8get(V,M) doubleget((V),(M))
		#define float8store(V,M) doublestore((V),(M))
		#endif /* WORDS_BIGENDIAN */
		@@ -863,7 +885,7 @@ typedef union {
		#ifndef doubleget
		#define doubleget(V,M) memcpy_fixed((byte) &V,(byte) (M),sizeof(double))
		#define doublestore(T,V) memcpy_fixed((byte) (T),(byte) &V,sizeof(double))
		#endif
		#endif /* doubleget */
		#define longlongget(V,M) memcpy_fixed((byte) &V,(byte) (M),sizeof(ulonglong))
		#define longlongstore(T,V) memcpy_fixed((byte) (T),(byte) &V,sizeof(ulonglong))

+18 −7

Original line number	Diff line number	Diff line
		@@ -18,18 +18,29 @@
		#ifndef _my_bitmap_h_
		#define _my_bitmap_h_

		#define MY_BIT_NONE ~(uint)0
		#include <my_pthread.h>

		#define MY_BIT_NONE (~(uint) 0)

		typedef struct st_bitmap
		{
		uchar *bitmap;
		uint bitmap_size;
		#ifdef THREAD
		pthread_mutex_t mutex;
		#endif
		} BITMAP;

		#ifdef __cplusplus
		extern "C" {
		#endif

		extern void bitmap_set_bit(uchar *bitmap, uint bitmap_size, uint bitmap_bit);
		extern uint bitmap_set_next(uchar *bitmap, uint bitmap_size);
		extern void bitmap_clear_bit(uchar *bitmap,uint bitmap_size,uint bitmap_bit);

		extern my_bool bitmap_init(BITMAP *bitmap, uint bitmap_size);
		extern void bitmap_free(BITMAP *bitmap);
		extern void bitmap_set_bit(BITMAP *bitmap, uint bitmap_bit);
		extern uint bitmap_set_next(BITMAP *bitmap);
		extern void bitmap_clear_bit(BITMAP *bitmap, uint bitmap_bit);
		#ifdef __cplusplus
		}
		#endif

		#endif
		#endif /* _my_bitmap_h_ */

+24 −1

Original line number	Diff line number	Diff line
		@@ -167,6 +167,28 @@
		((byte*) &def_temp)[3]=(M)[0];\
		(V)=def_temp; }

		#if (__FLOAT_WORD_ORDER == __BIG_ENDIAN)
		#define mi_float8store(T,V) { (T)= ((byte ) &V)[3];\
		((T)+1)=(char) ((byte ) &V)[2];\
		((T)+2)=(char) ((byte ) &V)[1];\
		((T)+3)=(char) ((byte ) &V)[0];\
		((T)+4)=(char) ((byte ) &V)[7];\
		((T)+5)=(char) ((byte ) &V)[6];\
		((T)+6)=(char) ((byte ) &V)[5];\
		((T)+7)=(char) ((byte ) &V)[4];}

		#define mi_float8get(V,M) { double def_temp;\
		((byte*) &def_temp)[0]=(M)[3];\
		((byte*) &def_temp)[1]=(M)[2];\
		((byte*) &def_temp)[2]=(M)[1];\
		((byte*) &def_temp)[3]=(M)[0];\
		((byte*) &def_temp)[4]=(M)[7];\
		((byte*) &def_temp)[5]=(M)[6];\
		((byte*) &def_temp)[6]=(M)[5];\
		((byte*) &def_temp)[7]=(M)[4];\
		(V)=def_temp; }

		#else
		#define mi_float8store(T,V) { (T)= ((byte ) &V)[7];\
		((T)+1)=(char) ((byte ) &V)[6];\
		((T)+2)=(char) ((byte ) &V)[5];\
		@@ -186,7 +208,8 @@
		((byte*) &def_temp)[6]=(M)[1];\
		((byte*) &def_temp)[7]=(M)[0];\
		(V)=def_temp; }
		#endif
		#endif /* __FLOAT_WORD_ORDER */
		#endif /* WORDS_BIGENDIAN */

		/* Fix to avoid warnings when sizeof(ha_rows) == sizeof(long) */