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Doc enhancement

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AlexPeshkoff 2018-05-21 14:38:53 +03:00
parent 0403b48345
commit 5b1c3a1c20
1 changed files with 4 additions and 3 deletions
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7
doc/sql.extensions/README.data_types
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@ -163,7 +163,7 @@ DECFLOAT (FB 4.0)
(to nearest, if equidistant - up), HALF_EVEN (to nearest, if equidistant - ensure
last digit in the result to be even), HALF_DOWN (to nearest, if equidistant - down),
DOWN (towards 0), FLOOR (towards -infinity), REROUND (up if digit to be rounded is
0 or 5, down in other cases).
0 or 5, down in other cases). HALF_UP rounding is used by default.
SET DECFLOAT TRAPS TO <comma-separated traps list - may be empty> - controls which
exceptional conditions cause a trap. Valid traps are: Division_by_zero, Inexact,
@ -179,8 +179,9 @@ DECFLOAT (FB 4.0)
native format. One can choose between strings (ideal precision, but poor support
for further processing), floating point values (ideal support for further processing
but poor precision) or scaled integers (good support for further processing and
required precision but range of values is very limited). When using is a tool like
generic purporse GUI client choice of CHAR binding is OK in most cases.
required precision but range of values is very limited). When using in a tool like
generic purporse GUI client choice of CHAR binding is OK in most cases. By default
NATIVE binding is used.
5. The length of DECFLOAT literals are limited to 1024 characters. For longer values, you will
need to use the scientific notation. For example, the 0.0<1020 zeroes>11 cannot be used