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Added Innobase to source distribution
Docs/manual.texi: Added Innobase documentation configure.in: Incremented version include/my_base.h: Added option for Innobase myisam/mi_check.c: cleanup mysql-test/t/bdb.test: cleanup mysql-test/t/innobase.test: Extended with new tests from bdb.test mysql-test/t/merge.test: Added test of SHOW create mysys/my_init.c: Fix for UNIXWARE 7 scripts/mysql_install_db.sh: Always write how to start mysqld scripts/safe_mysqld.sh: Fixed type sql/ha_innobase.cc: Update to new version sql/ha_innobase.h: Update to new version sql/handler.h: Added 'update_table_comment()' and 'append_create_info()' sql/sql_delete.cc: Fixes for Innobase sql/sql_select.cc: Fixes for Innobase sql/sql_show.cc: Append create information (for MERGE tables) sql/sql_update.cc: Fixes for Innobase
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innobase/include/dyn0dyn.h
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172
innobase/include/dyn0dyn.h
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/******************************************************
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The dynamically allocated array
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(c) 1996 Innobase Oy
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Created 2/5/1996 Heikki Tuuri
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*******************************************************/
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#ifndef dyn0dyn_h
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#define dyn0dyn_h
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#include "univ.i"
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#include "ut0lst.h"
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#include "mem0mem.h"
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typedef struct dyn_block_struct dyn_block_t;
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typedef dyn_block_t dyn_array_t;
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/* Initial 'payload' size in bytes in a dynamic array block */
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#define DYN_ARRAY_DATA_SIZE 1024
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/*************************************************************************
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Initializes a dynamic array. */
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UNIV_INLINE
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dyn_array_t*
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dyn_array_create(
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/*=============*/
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/* out: initialized dyn array */
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dyn_array_t* arr); /* in: pointer to a memory buffer of
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size sizeof(dyn_array_t) */
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/****************************************************************
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Frees a dynamic array. */
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UNIV_INLINE
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void
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dyn_array_free(
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/*===========*/
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dyn_array_t* arr); /* in: dyn array */
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/*************************************************************************
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Makes room on top of a dyn array and returns a pointer to a buffer in it.
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After copying the elements, the caller must close the buffer using
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dyn_array_close. */
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UNIV_INLINE
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byte*
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dyn_array_open(
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/*===========*/
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/* out: pointer to the buffer */
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dyn_array_t* arr, /* in: dynamic array */
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ulint size); /* in: size in bytes of the buffer */
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/*************************************************************************
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Closes the buffer returned by dyn_array_open. */
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UNIV_INLINE
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void
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dyn_array_close(
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/*============*/
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dyn_array_t* arr, /* in: dynamic array */
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byte* ptr); /* in: buffer space from ptr up was not used */
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/*************************************************************************
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Makes room on top of a dyn array and returns a pointer to
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the added element. The caller must copy the element to
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the pointer returned. */
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UNIV_INLINE
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void*
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dyn_array_push(
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/*===========*/
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/* out: pointer to the element */
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dyn_array_t* arr, /* in: dynamic array */
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ulint size); /* in: size in bytes of the element */
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/****************************************************************
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Returns pointer to an element in dyn array. */
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UNIV_INLINE
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void*
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dyn_array_get_element(
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/*==================*/
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/* out: pointer to element */
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dyn_array_t* arr, /* in: dyn array */
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ulint pos); /* in: position of element as bytes
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from array start */
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/****************************************************************
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Returns the size of stored data in a dyn array. */
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UNIV_INLINE
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ulint
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dyn_array_get_data_size(
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/*====================*/
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/* out: data size in bytes */
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dyn_array_t* arr); /* in: dyn array */
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/****************************************************************
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Gets the first block in a dyn array. */
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UNIV_INLINE
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dyn_block_t*
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dyn_array_get_first_block(
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/*======================*/
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dyn_array_t* arr); /* in: dyn array */
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/****************************************************************
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Gets the last block in a dyn array. */
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UNIV_INLINE
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dyn_block_t*
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dyn_array_get_last_block(
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/*=====================*/
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dyn_array_t* arr); /* in: dyn array */
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/************************************************************************
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Gets the next block in a dyn array. */
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UNIV_INLINE
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dyn_block_t*
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dyn_array_get_next_block(
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/*=====================*/
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/* out: pointer to next, NULL if end of list */
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dyn_array_t* arr, /* in: dyn array */
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dyn_block_t* block); /* in: dyn array block */
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/************************************************************************
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Gets the number of used bytes in a dyn array block. */
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UNIV_INLINE
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ulint
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dyn_block_get_used(
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/*===============*/
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/* out: number of bytes used */
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dyn_block_t* block); /* in: dyn array block */
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/************************************************************************
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Gets pointer to the start of data in a dyn array block. */
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UNIV_INLINE
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byte*
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dyn_block_get_data(
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/*===============*/
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/* out: pointer to data */
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dyn_block_t* block); /* in: dyn array block */
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/************************************************************************
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Gets the next block in a dyn array. */
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UNIV_INLINE
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dyn_block_t*
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dyn_block_get_next(
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/*===============*/
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/* out: pointer to next, NULL if end of list */
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dyn_block_t* block); /* in: dyn array block */
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/************************************************************
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Pushes n bytes to a dyn array. */
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UNIV_INLINE
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void
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dyn_push_string(
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/*============*/
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dyn_array_t* arr, /* in: dyn array */
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byte* str, /* in: string to write */
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ulint len); /* in: string length */
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/*#################################################################*/
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/* NOTE! Do not use the fields of the struct directly: the definition
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appears here only for the compiler to know its size! */
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struct dyn_block_struct{
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mem_heap_t* heap; /* in the first block this is != NULL
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if dynamic allocation has been needed */
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ulint used; /* number of data bytes used in this block */
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byte data[DYN_ARRAY_DATA_SIZE];
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/* storage for array elements */
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UT_LIST_BASE_NODE_T(dyn_block_t) base;
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/* linear list of dyn blocks: this node is
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used only in the first block */
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UT_LIST_NODE_T(dyn_block_t) list;
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/* linear list node: used in all blocks */
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#ifdef UNIV_DEBUG
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ulint buf_end;/* only in the debug version: if dyn array is
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opened, this is the buffer end offset, else
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this is 0 */
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ulint magic_n;
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#endif
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};
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#ifndef UNIV_NONINL
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#include "dyn0dyn.ic"
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#endif
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#endif
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