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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/data0type.h
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innobase/include/data0type.h
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/******************************************************
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Data types
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(c) 1996 Innobase Oy
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Created 1/16/1996 Heikki Tuuri
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*******************************************************/
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#ifndef data0type_h
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#define data0type_h
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#include "univ.i"
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/* SQL data type struct */
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typedef struct dtype_struct dtype_t;
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/* This variable is initialized as the standard binary variable length
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data type */
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extern dtype_t* dtype_binary;
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/* Data main types of SQL data; NOTE! character data types requiring
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collation transformation must have the smallest codes! All codes must be
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less than 256! */
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#define DATA_VARCHAR 1 /* character varying */
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#define DATA_CHAR 2 /* fixed length character */
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#define DATA_FIXBINARY 3 /* binary string of fixed length */
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#define DATA_BINARY 4 /* binary string */
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#define DATA_BLOB 5 /* binary large object */
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#define DATA_INT 6 /* integer: can be any size 1 - 8 bytes */
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#define DATA_SYS_CHILD 7 /* address of the child page in node pointer */
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#define DATA_SYS 8 /* system column */
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/* Data types >= DATA_FLOAT must be compared using the whole field, not as
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binary strings */
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#define DATA_FLOAT 9
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#define DATA_DOUBLE 10
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#define DATA_DECIMAL 11 /* decimal number stored as an ASCII string */
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#define DATA_VARMYSQL 12 /* data types for which comparisons must be */
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#define DATA_MYSQL 13 /* made by MySQL */
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#define DATA_ERROR 111 /* error value */
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#define DATA_MTYPE_MAX 255
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/*-------------------------------------------*/
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/* Precise data types for system columns; NOTE: the values must run
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from 0 up in the order given! All codes must be less than 256! */
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#define DATA_ROW_ID 0 /* row id: a dulint */
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#define DATA_ROW_ID_LEN 6 /* stored length for row id */
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#define DATA_TRX_ID 1 /* transaction id: 6 bytes */
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#define DATA_TRX_ID_LEN 6
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#define DATA_ROLL_PTR 2 /* rollback data pointer: 7 bytes */
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#define DATA_ROLL_PTR_LEN 7
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#define DATA_MIX_ID 3 /* mixed index label: a dulint, stored in
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a row in a compressed form */
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#define DATA_MIX_ID_LEN 9 /* maximum stored length for mix id (in a
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compressed dulint form) */
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#define DATA_N_SYS_COLS 4 /* number of system columns defined above */
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#define DATA_NOT_NULL 256 /* this is ORed to the precise type when
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the column is declared as NOT NULL */
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#define DATA_UNSIGNED 512 /* this id ORed to the precise type when
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we have an unsigned integer type */
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/*-------------------------------------------*/
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/* Precise types of a char or varchar data. All codes must be less than 256! */
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#define DATA_ENGLISH 4 /* English language character string */
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#define DATA_FINNISH 5 /* Finnish */
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#define DATA_PRTYPE_MAX 255
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/* This many bytes we need to store the type information affecting the
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alphabetical order for a single field and decide the storage size of an
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SQL null*/
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#define DATA_ORDER_NULL_TYPE_BUF_SIZE 4
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/*************************************************************************
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Sets a data type structure. */
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UNIV_INLINE
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void
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dtype_set(
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/*======*/
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dtype_t* type, /* in: type struct to init */
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ulint mtype, /* in: main data type */
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ulint prtype, /* in: precise type */
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ulint len, /* in: length of type */
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ulint prec); /* in: precision of type */
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/*************************************************************************
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Copies a data type structure. */
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UNIV_INLINE
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void
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dtype_copy(
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/*=======*/
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dtype_t* type1, /* in: type struct to copy to */
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dtype_t* type2); /* in: type struct to copy from */
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/*************************************************************************
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Gets the SQL main data type. */
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UNIV_INLINE
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ulint
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dtype_get_mtype(
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/*============*/
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dtype_t* type);
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/*************************************************************************
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Gets the precise data type. */
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UNIV_INLINE
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ulint
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dtype_get_prtype(
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/*=============*/
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dtype_t* type);
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/*************************************************************************
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Gets the type length. */
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UNIV_INLINE
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ulint
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dtype_get_len(
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/*==========*/
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dtype_t* type);
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/*************************************************************************
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Gets the type precision. */
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UNIV_INLINE
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ulint
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dtype_get_prec(
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/*===========*/
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dtype_t* type);
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/*************************************************************************
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Gets the padding character code for the type. */
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UNIV_INLINE
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ulint
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dtype_get_pad_char(
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/*===============*/
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/* out: padding character code, or
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ULINT_UNDEFINED if no padding specified */
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dtype_t* type); /* in: typeumn */
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/*************************************************************************
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Transforms the character code so that it is ordered appropriately
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for the language. */
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UNIV_INLINE
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ulint
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dtype_collate(
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/*==========*/
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/* out: padding character */
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dtype_t* type, /* in: type */
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ulint code); /* in: character code stored in database
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record */
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/***************************************************************************
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Returns the size of a fixed size data type, 0 if not a fixed size type. */
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UNIV_INLINE
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ulint
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dtype_get_fixed_size(
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/*=================*/
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/* out: fixed size, or 0 */
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dtype_t* type); /* in: type */
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/***************************************************************************
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Returns a stored SQL NULL size for a type. For fixed length types it is
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the fixed length of the type, otherwise 0. */
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UNIV_INLINE
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ulint
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dtype_get_sql_null_size(
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/*====================*/
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/* out: SQL null storage size */
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dtype_t* type); /* in: type */
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/***************************************************************************
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Returns TRUE if a type is of a fixed size. */
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UNIV_INLINE
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ibool
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dtype_is_fixed_size(
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/*================*/
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/* out: TRUE if fixed size */
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dtype_t* type); /* in: type */
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/**************************************************************************
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Stores to a type the information which determines its alphabetical
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ordering. */
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UNIV_INLINE
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void
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dtype_store_for_order_and_null_size(
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/*================================*/
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byte* buf, /* in: buffer for DATA_ORDER_NULL_TYPE_BUF_SIZE
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bytes */
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dtype_t* type); /* in: type struct */
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/**************************************************************************
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Reads of a type the stored information which determines its alphabetical
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ordering. */
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UNIV_INLINE
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void
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dtype_read_for_order_and_null_size(
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/*===============================*/
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dtype_t* type, /* in: type struct */
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byte* buf); /* in: buffer for type order info */
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/*************************************************************************
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Validates a data type structure. */
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ibool
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dtype_validate(
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/*===========*/
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/* out: TRUE if ok */
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dtype_t* type); /* in: type struct to validate */
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/*************************************************************************
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Prints a data type structure. */
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void
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dtype_print(
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/*========*/
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dtype_t* type); /* in: type */
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/* Structure for an SQL data type */
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struct dtype_struct{
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ulint mtype; /* main data type */
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ulint prtype; /* precise type; MySQL data type */
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/* remaining two fields do not affect alphabetical ordering: */
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ulint len; /* length */
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ulint prec; /* precision */
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};
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#ifndef UNIV_NONINL
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#include "data0type.ic"
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#endif
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#endif
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