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Improved resolution of large integer values in "CAST(x AS NUMERIC)".

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FossilOrigin-Name: 7f2bd4ff45fba29528c18cac6da983bd9b164303525d3965056f5b40f85dc83f
This commit is contained in:
drh
2017-09-20 10:47:10 +00:00
parent 9a243e69c2
commit 84d4f1a328
8 changed files with 91 additions and 38 deletions
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44
test/e_expr.test
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@ -1663,6 +1663,50 @@ do_expr_test e_expr-32.2.3 {
do_expr_test e_expr-32.2.4 {
CAST(9223372036854775807 AS NUMERIC)
} integer 9223372036854775807
do_expr_test e_expr-32.2.5 {
CAST('9223372036854775807 ' AS NUMERIC)
} integer 9223372036854775807
do_expr_test e_expr-32.2.6 {
CAST(' 9223372036854775807 ' AS NUMERIC)
} integer 9223372036854775807
do_expr_test e_expr-32.2.7 {
CAST(' ' AS NUMERIC)
} integer 0
do_execsql_test e_expr-32.2.8 {
WITH t1(x) AS (VALUES
('9000000000000000001'),
('9000000000000000001x'),
('9000000000000000001 '),
(' 9000000000000000001 '),
(' 9000000000000000001'),
(' 9000000000000000001.'),
('9223372036854775807'),
('9223372036854775807 '),
(' 9223372036854775807 '),
('9223372036854775808'),
(' 9223372036854775808 '),
('9223372036854775807.0'),
('9223372036854775807e+0'),
('-5.0'),
('-5e+0'))
SELECT typeof(CAST(x AS NUMERIC)), CAST(x AS NUMERIC)||'' FROM t1;
} [list \
integer 9000000000000000001 \
integer 9000000000000000001 \
integer 9000000000000000001 \
integer 9000000000000000001 \
integer 9000000000000000001 \
integer 9000000000000000001 \
integer 9223372036854775807 \
integer 9223372036854775807 \
integer 9223372036854775807 \
real 9.22337203685478e+18 \
real 9.22337203685478e+18 \
integer 9223372036854775807 \
integer 9223372036854775807 \
integer -5 \
integer -5 \
]
# EVIDENCE-OF: R-64550-29191 Note that the result from casting any
# non-BLOB value into a BLOB and the result from casting any BLOB value