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WL#2575 - Fulltext: Parser plugin for FTS

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Manual merge.


Makefile.am:
  Added new 'plugin' subdir.
configure.in:
  Added plugin related makefiles.
include/my_base.h:
  Added HA_OPEN_FROM_SQL_LAYER flag - indicates that a table was openned from the sql layer.
  Added HA_OPTION_RELIES_ON_SQL_LAYER flag - indicates that a table relies on the sql layer.
  Added HA_CREATE_RELIES_ON_SQL_LAYER flag - indicates that a table must be created with
  HA_OPTION_RELIES_ON_SQL_LAYER flag.
include/myisam.h:
  Distinct fulltext parser number added.
include/plugin.h:
  Revise comment.
sql/ha_myisam.cc:
  Pass HA_OPEN_FROM_SQL_LAYER flag to mi_open().
  Pass HA_CREATE_RELIES_ON_SQL_LAYER flag to mi_create().
sql/sql_plugin.cc:
  Reuse "unused" dynamic array elements.
  A check for plugin info interface version.
sql/sql_plugin.h:
  Added plugin_type_names[] - string plugin type names.
sql/sql_show.cc:
  Use plugin_type_names array instead of switch to find literal parser name representation.
sql/sql_table.cc:
  Fixed that ALTER TABLE ... ADD INDEX loses WITH PARSER info.
storage/myisam/ft_boolean_search.c:
  Call fulltext parser init() function, pass MYSQL_FTPARSER_PARAM, returned by
  ftparser_call_initializer(), to parser->parse().
storage/myisam/ft_nlq_search.c:
  Call fulltext parser init() function, pass MYSQL_FTPARSER_PARAM, returned by
  ftparser_call_initializer(), to parser->parse().
storage/myisam/ft_parser.c:
  Added two functions:
  ftparser_call_initializer() - calls parser->init() function if specified and parser is not yet
  initialized. Returns MYSQL_FTPARSER_PARAM *.
  ftparser_call_deinitializer() - calls parser->deinit() function if specified and parser was
  initialized. Deinitializes all parsers.
  ft_parse() accepts additional param now - MYSQL_FTPARSER_PARM and passes it to parser->parse().
storage/myisam/ft_update.c:
  Call fulltext parser init() function, pass MYSQL_FTPARSER_PARAM, returned by
  ftparser_call_initializer(), to _mi_ft_parse().
  _mi_ft_parse() accepts additional param now - MYSQL_FTPARSER_PARAM and passes
  it to parser->parse().
storage/myisam/ftdefs.h:
  Prototypes for new functions were added. MYSQL_FTPARSER_PARAM was added
  to ft_parse and _mi_ft_parse().
storage/myisam/mi_close.c:
  Free ftparser_param allocated by ftparser_call_initializer().
storage/myisam/mi_create.c:
  If a table relies on the sql layer, set HA_OPTION_RELIES_ON_SQL_LAYER.
storage/myisam/mi_locking.c:
  Call deinitializer for each initialized parser.
storage/myisam/mi_open.c:
  Set default values for share->ftparser and keydef->ftparser_nr.
  If a table is openned from the non-sql layer and HA_OPTION_RELIES_ON_SQL_LAYER is set, raise
  HA_ERR_UNSUPPORTED error.
storage/myisam/myisamdef.h:
  Added number of distinct parsers to MYISAM_SHARE.
  Added ftparser_param to MI_INFO.
plugin/Makefile.am:
  New BitKeeper file ``plugin/Makefile.am''
plugin/fulltext/Makefile.am:
  New BitKeeper file ``plugin/fulltext/Makefile.am''
plugin/fulltext/plugin_example.c:
  New BitKeeper file ``plugin/fulltext/plugin_example.c''
This commit is contained in:
unknown
2005-12-28 16:05:30 +04:00
parent 5bfbfb24e5
commit 38005eae6a
23 changed files with 602 additions and 140 deletions
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12
storage/myisam/mi_open.c
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@@ -141,12 +141,20 @@ MI_INFO *mi_open(const char *name, int mode, uint open_flags)
~(HA_OPTION_PACK_RECORD | HA_OPTION_PACK_KEYS |
HA_OPTION_COMPRESS_RECORD | HA_OPTION_READ_ONLY_DATA |
HA_OPTION_TEMP_COMPRESS_RECORD | HA_OPTION_CHECKSUM |
HA_OPTION_TMP_TABLE | HA_OPTION_DELAY_KEY_WRITE))
HA_OPTION_TMP_TABLE | HA_OPTION_DELAY_KEY_WRITE |
HA_OPTION_RELIES_ON_SQL_LAYER))
{
DBUG_PRINT("error",("wrong options: 0x%lx", share->options));
my_errno=HA_ERR_OLD_FILE;
goto err;
}
if ((share->options & HA_OPTION_RELIES_ON_SQL_LAYER) &&
! (open_flags & HA_OPEN_FROM_SQL_LAYER))
{
DBUG_PRINT("error", ("table cannot be openned from non-sql layer"));
my_errno= HA_ERR_UNSUPPORTED;
goto err;
}
/* Don't call realpath() if the name can't be a link */
if (!strcmp(name_buff, org_name) ||
my_readlink(index_name, org_name, MYF(0)) == -1)
@@ -418,6 +426,7 @@ MI_INFO *mi_open(const char *name, int mode, uint open_flags)
pos->flag=0;
pos++;
}
share->ftparsers= 0;
}
disk_pos_assert(disk_pos + share->base.fields *MI_COLUMNDEF_SIZE, end_pos);
@@ -1051,6 +1060,7 @@ char *mi_keydef_read(char *ptr, MI_KEYDEF *keydef)
keydef->underflow_block_length=keydef->block_length/3;
keydef->version = 0; /* Not saved */
keydef->parser = &ft_default_parser;
keydef->ftparser_nr = 0;
return ptr;
}