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Merge nusphere@work.mysql.com:/home/bk/mysql

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Docs/manual.texi:
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unknown 2000-11-13 09:53:35 -05:00
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Docs/manual.texi
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@ -9533,7 +9533,7 @@ and not only the first argument.
@item @code{AUTO_INCREMENT} will not work with negative numbers. @item @code{AUTO_INCREMENT} will not work with negative numbers.
@item @code{INNER}, @code{DELAYED}, @code{RIGHT} and @code{WHEN} @item @code{INNER}, @code{DELAYED}, @code{RIGHT} and @code{WHEN}
are now reserved words. are now reserved words.
@item @code{FLOAT(X)} is now a true floating point type and not a value with @item @code{FLOAT(X)} is now a true floating-point type and not a value with
a fixed number of decimals. a fixed number of decimals.
@item When declaring @code{DECIMAL(length,dec)} the length argument no @item When declaring @code{DECIMAL(length,dec)} the length argument no
longer includes a place for the sign or the decimal point. longer includes a place for the sign or the decimal point.
@ -9680,7 +9680,7 @@ There are some new reserved words. The most notable are @code{DATE},
If you are using @strong{MySQL} Version 3.23, you can copy the @code{.frm}, If you are using @strong{MySQL} Version 3.23, you can copy the @code{.frm},
@code{.MYI}, and @code{.MYD} files between different architectures that @code{.MYI}, and @code{.MYD} files between different architectures that
support the same floating point format. (@strong{MySQL} takes care of any support the same floating-point format. (@strong{MySQL} takes care of any
byte swapping issues.) byte swapping issues.)
The @strong{MySQL} @code{ISAM} data and index files (@file{.ISD} and The @strong{MySQL} @code{ISAM} data and index files (@file{.ISD} and
@ -12934,9 +12934,9 @@ In @strong{MySQL} you can refer to a column using any of the following forms:
@multitable @columnfractions .35 .65 @multitable @columnfractions .35 .65
@item @strong{Column reference} @tab @strong{Meaning} @item @strong{Column reference} @tab @strong{Meaning}
@item @code{col_name} @tab Column @code{col_name} @item @code{col_name} @tab Column @code{col_name}
from whichever table used in the query contains a column of that name from whichever table used in the query contains a column of that name.
@item @code{tbl_name.col_name} @tab Column @code{col_name} from table @item @code{tbl_name.col_name} @tab Column @code{col_name} from table
@code{tbl_name} of the current database @code{tbl_name} of the current database.
@item @code{db_name.tbl_name.col_name} @tab Column @code{col_name} from table @item @code{db_name.tbl_name.col_name} @tab Column @code{col_name} from table
@code{tbl_name} of the database @code{db_name}. This form is available in @code{tbl_name} of the database @code{db_name}. This form is available in
@strong{MySQL} Version 3.22 or later. @strong{MySQL} Version 3.22 or later.
@ -13143,7 +13143,7 @@ values! This means that if you multiply two big integers (or results
from functions that return integers) you may get unexpected results if from functions that return integers) you may get unexpected results if
the result is larger than @code{9223372036854775807}. the result is larger than @code{9223372036854775807}.
@cindex floating point number @cindex floating-point number
@tindex FLOAT @tindex FLOAT
@tindex FLOAT(precision) @tindex FLOAT(precision)
@item FLOAT(precision) [ZEROFILL] @item FLOAT(precision) [ZEROFILL]
@ -13237,7 +13237,7 @@ A timestamp. The range is @code{'1970-01-01 00:00:00'} to sometime in the
year @code{2037}. @strong{MySQL} displays @code{TIMESTAMP} values in year @code{2037}. @strong{MySQL} displays @code{TIMESTAMP} values in
@code{YYYYMMDDHHMMSS}, @code{YYMMDDHHMMSS}, @code{YYYYMMDD}, or @code{YYMMDD} @code{YYYYMMDDHHMMSS}, @code{YYMMDDHHMMSS}, @code{YYYYMMDD}, or @code{YYMMDD}
format, depending on whether @code{M} is @code{14} (or missing), @code{12}, format, depending on whether @code{M} is @code{14} (or missing), @code{12},
@code{8} or @code{6}, but allows you to assign values to @code{TIMESTAMP} @code{8}, or @code{6}, but allows you to assign values to @code{TIMESTAMP}
columns using either strings or numbers. A @code{TIMESTAMP} column is useful columns using either strings or numbers. A @code{TIMESTAMP} column is useful
for recording the date and time of an @code{INSERT} or @code{UPDATE} for recording the date and time of an @code{INSERT} or @code{UPDATE}
operation because it is automatically set to the date and time of the most operation because it is automatically set to the date and time of the most
@ -13501,7 +13501,7 @@ a serious problem, as the principal benefits of these types derive from
the ability to control both precision and scale explicitly. the ability to control both precision and scale explicitly.
@code{DECIMAL} and @code{NUMERIC} values are stored as strings, rather @code{DECIMAL} and @code{NUMERIC} values are stored as strings, rather
than as binary floating point numbers, in order to preserve the decimal than as binary floating-point numbers, in order to preserve the decimal
precision of those values. One character is used for each digit of the precision of those values. One character is used for each digit of the
value, the decimal point (if @code{scale} > 0), and the @samp{-} sign value, the decimal point (if @code{scale} > 0), and the @samp{-} sign
(for negative numbers). If @code{scale} is 0, @code{DECIMAL} and (for negative numbers). If @code{scale} is 0, @code{DECIMAL} and
@ -15299,7 +15299,7 @@ a temporary table) is calculated in @strong{MySQL} Version 3.23 as follows:
@multitable @columnfractions .55 .45 @multitable @columnfractions .55 .45
@item @strong{Expression} @tab @strong{Return value} @item @strong{Expression} @tab @strong{Return value}
@item expr2 or expr3 returns string @tab string @item expr2 or expr3 returns string @tab string
@item expr2 or expr3 returns a floating point value @tab floating point @item expr2 or expr3 returns a floating-point value @tab floating-point
@item expr2 or expr3 returns an integer @tab integer @item expr2 or expr3 returns an integer @tab integer
@end multitable @end multitable
@ -21460,7 +21460,7 @@ support big files.
All data is stored with the low byte first. This makes the data machine and All data is stored with the low byte first. This makes the data machine and
OS independent. The only requirement is that the machine uses two's-complement OS independent. The only requirement is that the machine uses two's-complement
signed integers (as every machine for the last 20 years has) signed integers (as every machine for the last 20 years has)
and IEEE floating point format (also totally dominant among mainstream and IEEE floating-point format (also totally dominant among mainstream
machines). The only area of machines that may not support binary machines). The only area of machines that may not support binary
compatibility are embedded systems (because they sometimes have peculiar compatibility are embedded systems (because they sometimes have peculiar
processors). processors).
@ -32272,7 +32272,7 @@ against the table that was last removed from the query.
@item @item
If you are comparing @code{FLOAT} or @code{DOUBLE} columns with numbers that If you are comparing @code{FLOAT} or @code{DOUBLE} columns with numbers that
have decimals, you can't use @code{=}! This problem is common in most have decimals, you can't use @code{=}! This problem is common in most
computer languages because floating point values are not exact values. computer languages because floating-point values are not exact values.
@example @example
mysql> SELECT * FROM table_name WHERE float_column=3.5; mysql> SELECT * FROM table_name WHERE float_column=3.5;
@ -36777,7 +36777,7 @@ relevance - similarity measure between the text in that row (in the columns
that are part of the collection) and the query. When it is used in a that are part of the collection) and the query. When it is used in a
@code{WHERE} clause (see example above) the rows returned are @code{WHERE} clause (see example above) the rows returned are
automatically sorted with relevance decreasing. Relevance is a non- automatically sorted with relevance decreasing. Relevance is a non-
negative floating point number. Zero relevance means no similarity. negative floating-point number. Zero relevance means no similarity.
Relevance is computed based on number of words in the row and number of Relevance is computed based on number of words in the row and number of
unique words in that row, total number of words in the collection, unique words in that row, total number of words in the collection,
number of documents (rows), that contain a particular word, etc. number of documents (rows), that contain a particular word, etc.
@ -38406,7 +38406,7 @@ values (1),(1)}) erroneously terminated the slave thread.
Added optimization of queries where @code{DISTINCT} is only used on columns Added optimization of queries where @code{DISTINCT} is only used on columns
from some of the tables. from some of the tables.
@item @item
Allow floating point numbers where there is no sign after the exponent Allow floating-point numbers where there is no sign after the exponent
(like 1e1). (like 1e1).
@item @item
@code{SHOW GRANTS} didn't always show all column grants. @code{SHOW GRANTS} didn't always show all column grants.
@ -39162,7 +39162,7 @@ be faster: @code{SELECT * from key_part_1=const and key_part_2 > const2}
Fixed bug that a change of all @code{VARCHAR} columns to @code{CHAR} columns Fixed bug that a change of all @code{VARCHAR} columns to @code{CHAR} columns
didn't change row type from dynamic to fixed. didn't change row type from dynamic to fixed.
@item @item
Disabled floating point exceptions for FreeBSD to fix core dump when Disabled floating-point exceptions for FreeBSD to fix core dump when
doing @code{SELECT floor(pow(2,63))}. doing @code{SELECT floor(pow(2,63))}.
@item @item
Changed @code{mysqld} startup option @code{--delay-key-write} to Changed @code{mysqld} startup option @code{--delay-key-write} to
@ -39626,7 +39626,7 @@ applications. (By @email{shreeve@@uci.edu}).
ensure that @code{null_column NOT IN (...)} doesn't match ensure that @code{null_column NOT IN (...)} doesn't match
@code{NULL} values. @code{NULL} values.
@item @item
Fix storage of floating point values in @code{TIME} columns. Fix storage of floating-point values in @code{TIME} columns.
@item @item
Changed parsing of @code{TIME} strings to be more strict. Now the Changed parsing of @code{TIME} strings to be more strict. Now the
fractional second part is detected (and currently skipped). The fractional second part is detected (and currently skipped). The
@ -39811,7 +39811,7 @@ A few small fixes for the Windows version.
@item @item
Fixed optimizer problem on @code{SELECT} when using many overlapping indexes. Fixed optimizer problem on @code{SELECT} when using many overlapping indexes.
@item @item
Disabled floating point exceptions for FreeBSD to fix core dump when Disabled floating-point exceptions for FreeBSD to fix core dump when
doing @code{SELECT floor(pow(2,63))}. doing @code{SELECT floor(pow(2,63))}.
@item @item
Added print of default arguments options to all clients. Added print of default arguments options to all clients.