aboutsummaryrefslogtreecommitdiffstats
path: root/yql/essentials/tests/postgresql/cases/float4.sql
diff options
context:
space:
mode:
authorAlexander Smirnov <alex@ydb.tech>2024-11-20 11:14:58 +0000
committerAlexander Smirnov <alex@ydb.tech>2024-11-20 11:14:58 +0000
commit31773f157bf8164364649b5f470f52dece0a4317 (patch)
tree33d0f7eef45303ab68cf08ab381ce5e5e36c5240 /yql/essentials/tests/postgresql/cases/float4.sql
parent2c7938962d8689e175574fc1e817c05049f27905 (diff)
parenteff600952d5dfe17942f38f510a8ac2b203bb3a5 (diff)
downloadydb-31773f157bf8164364649b5f470f52dece0a4317.tar.gz
Merge branch 'rightlib' into mergelibs-241120-1113
Diffstat (limited to 'yql/essentials/tests/postgresql/cases/float4.sql')
-rw-r--r--yql/essentials/tests/postgresql/cases/float4.sql105
1 files changed, 105 insertions, 0 deletions
diff --git a/yql/essentials/tests/postgresql/cases/float4.sql b/yql/essentials/tests/postgresql/cases/float4.sql
new file mode 100644
index 0000000000..8a6adaf11d
--- /dev/null
+++ b/yql/essentials/tests/postgresql/cases/float4.sql
@@ -0,0 +1,105 @@
+--
+-- FLOAT4
+--
+CREATE TABLE FLOAT4_TBL (f1 float4);
+INSERT INTO FLOAT4_TBL(f1) VALUES (' 0.0');
+INSERT INTO FLOAT4_TBL(f1) VALUES ('1004.30 ');
+INSERT INTO FLOAT4_TBL(f1) VALUES (' -34.84 ');
+INSERT INTO FLOAT4_TBL(f1) VALUES ('1.2345678901234e+20');
+INSERT INTO FLOAT4_TBL(f1) VALUES ('1.2345678901234e-20');
+-- test for over and under flow
+INSERT INTO FLOAT4_TBL(f1) VALUES ('10e70');
+INSERT INTO FLOAT4_TBL(f1) VALUES ('-10e70');
+INSERT INTO FLOAT4_TBL(f1) VALUES ('10e-70');
+INSERT INTO FLOAT4_TBL(f1) VALUES ('-10e-70');
+INSERT INTO FLOAT4_TBL(f1) VALUES ('10e70'::float8);
+INSERT INTO FLOAT4_TBL(f1) VALUES ('-10e70'::float8);
+INSERT INTO FLOAT4_TBL(f1) VALUES ('10e-70'::float8);
+INSERT INTO FLOAT4_TBL(f1) VALUES ('-10e-70'::float8);
+INSERT INTO FLOAT4_TBL(f1) VALUES ('10e400');
+INSERT INTO FLOAT4_TBL(f1) VALUES ('-10e400');
+INSERT INTO FLOAT4_TBL(f1) VALUES ('10e-400');
+INSERT INTO FLOAT4_TBL(f1) VALUES ('-10e-400');
+-- bad input
+INSERT INTO FLOAT4_TBL(f1) VALUES ('');
+INSERT INTO FLOAT4_TBL(f1) VALUES (' ');
+INSERT INTO FLOAT4_TBL(f1) VALUES ('xyz');
+INSERT INTO FLOAT4_TBL(f1) VALUES ('5.0.0');
+INSERT INTO FLOAT4_TBL(f1) VALUES ('5 . 0');
+INSERT INTO FLOAT4_TBL(f1) VALUES ('5. 0');
+INSERT INTO FLOAT4_TBL(f1) VALUES (' - 3.0');
+INSERT INTO FLOAT4_TBL(f1) VALUES ('123 5');
+-- special inputs
+SELECT 'NaN'::float4;
+SELECT 'nan'::float4;
+SELECT ' NAN '::float4;
+SELECT 'infinity'::float4;
+SELECT ' -INFINiTY '::float4;
+-- bad special inputs
+SELECT 'N A N'::float4;
+SELECT 'NaN x'::float4;
+SELECT ' INFINITY x'::float4;
+SELECT 'Infinity'::float4 + 100.0;
+SELECT 'Infinity'::float4 / 'Infinity'::float4;
+SELECT '42'::float4 / 'Infinity'::float4;
+SELECT 'nan'::float4 / 'nan'::float4;
+SELECT 'nan'::float4 / '0'::float4;
+SELECT 'nan'::numeric::float4;
+SELECT * FROM FLOAT4_TBL;
+SELECT f.* FROM FLOAT4_TBL f WHERE f.f1 <> '1004.3';
+SELECT f.* FROM FLOAT4_TBL f WHERE f.f1 = '1004.3';
+SELECT f.* FROM FLOAT4_TBL f WHERE '1004.3' > f.f1;
+SELECT f.* FROM FLOAT4_TBL f WHERE f.f1 < '1004.3';
+SELECT f.* FROM FLOAT4_TBL f WHERE '1004.3' >= f.f1;
+SELECT f.* FROM FLOAT4_TBL f WHERE f.f1 <= '1004.3';
+SELECT f.f1, f.f1 * '-10' AS x FROM FLOAT4_TBL f
+ WHERE f.f1 > '0.0';
+SELECT f.f1, f.f1 / '-10' AS x FROM FLOAT4_TBL f
+ WHERE f.f1 > '0.0';
+SELECT f.f1, f.f1 - '-10' AS x FROM FLOAT4_TBL f
+ WHERE f.f1 > '0.0';
+-- test divide by zero
+SELECT f.f1 / '0.0' from FLOAT4_TBL f;
+SELECT * FROM FLOAT4_TBL;
+-- test the unary float4abs operator
+SELECT f.f1, @f.f1 AS abs_f1 FROM FLOAT4_TBL f;
+-- test edge-case coercions to integer
+SELECT '32767.4'::float4::int2;
+SELECT '32767.6'::float4::int2;
+SELECT '-32768.4'::float4::int2;
+SELECT '-32768.6'::float4::int2;
+SELECT '2147483520'::float4::int4;
+SELECT '2147483647'::float4::int4;
+SELECT '-2147483648.5'::float4::int4;
+SELECT '-2147483900'::float4::int4;
+SELECT '9223369837831520256'::float4::int8;
+SELECT '9223372036854775807'::float4::int8;
+SELECT '-9223372036854775808.5'::float4::int8;
+SELECT '-9223380000000000000'::float4::int8;
+-- Test for correct input rounding in edge cases.
+-- These lists are from Paxson 1991, excluding subnormals and
+-- inputs of over 9 sig. digits.
+SELECT float4send('5e-20'::float4);
+SELECT float4send('67e14'::float4);
+SELECT float4send('985e15'::float4);
+SELECT float4send('55895e-16'::float4);
+SELECT float4send('7038531e-32'::float4);
+SELECT float4send('702990899e-20'::float4);
+SELECT float4send('3e-23'::float4);
+SELECT float4send('57e18'::float4);
+SELECT float4send('789e-35'::float4);
+SELECT float4send('2539e-18'::float4);
+SELECT float4send('76173e28'::float4);
+SELECT float4send('887745e-11'::float4);
+SELECT float4send('5382571e-37'::float4);
+SELECT float4send('82381273e-35'::float4);
+SELECT float4send('750486563e-38'::float4);
+-- Test that the smallest possible normalized input value inputs
+-- correctly, either in 9-significant-digit or shortest-decimal
+-- format.
+--
+-- exact val is 1.1754943508...
+-- shortest val is 1.1754944000
+-- midpoint to next val is 1.1754944208...
+SELECT float4send('1.17549435e-38'::float4);
+SELECT float4send('1.1754944e-38'::float4);