185 lines
3.6 KiB
SQL
185 lines
3.6 KiB
SQL
--
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-- NUMEROLOGY
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-- Test various combinations of numeric types and functions.
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--
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--
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-- numeric literals
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--
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SELECT 0b100101;
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SELECT 0o273;
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SELECT 0x42F;
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-- cases near int4 overflow
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SELECT 0b1111111111111111111111111111111;
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SELECT 0b10000000000000000000000000000000;
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SELECT 0o17777777777;
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SELECT 0o20000000000;
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SELECT 0x7FFFFFFF;
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SELECT 0x80000000;
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SELECT -0b10000000000000000000000000000000;
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SELECT -0b10000000000000000000000000000001;
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SELECT -0o20000000000;
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SELECT -0o20000000001;
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SELECT -0x80000000;
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SELECT -0x80000001;
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-- cases near int8 overflow
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SELECT 0b111111111111111111111111111111111111111111111111111111111111111;
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SELECT 0b1000000000000000000000000000000000000000000000000000000000000000;
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SELECT 0o777777777777777777777;
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SELECT 0o1000000000000000000000;
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SELECT 0x7FFFFFFFFFFFFFFF;
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SELECT 0x8000000000000000;
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SELECT -0b1000000000000000000000000000000000000000000000000000000000000000;
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SELECT -0b1000000000000000000000000000000000000000000000000000000000000001;
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SELECT -0o1000000000000000000000;
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SELECT -0o1000000000000000000001;
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SELECT -0x8000000000000000;
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SELECT -0x8000000000000001;
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-- error cases
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SELECT 123abc;
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SELECT 0x0o;
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SELECT 0.a;
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SELECT 0.0a;
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SELECT .0a;
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SELECT 0.0e1a;
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SELECT 0.0e;
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SELECT 0.0e+a;
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PREPARE p1 AS SELECT $1a;
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SELECT 0b;
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SELECT 1b;
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SELECT 0b0x;
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SELECT 0o;
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SELECT 1o;
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SELECT 0o0x;
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SELECT 0x;
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SELECT 1x;
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SELECT 0x0y;
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-- underscores
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SELECT 1_000_000;
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SELECT 1_2_3;
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SELECT 0x1EEE_FFFF;
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SELECT 0o2_73;
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SELECT 0b_10_0101;
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SELECT 1_000.000_005;
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SELECT 1_000.;
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SELECT .000_005;
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SELECT 1_000.5e0_1;
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-- error cases
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SELECT _100;
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SELECT 100_;
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SELECT 100__000;
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SELECT _1_000.5;
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SELECT 1_000_.5;
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SELECT 1_000._5;
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SELECT 1_000.5_;
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SELECT 1_000.5e_1;
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--
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-- Test implicit type conversions
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-- This fails for Postgres v6.1 (and earlier?)
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-- so let's try explicit conversions for now - tgl 97/05/07
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--
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CREATE TABLE TEMP_FLOAT (f1 FLOAT8);
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INSERT INTO TEMP_FLOAT (f1)
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SELECT float8(f1) FROM INT4_TBL;
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INSERT INTO TEMP_FLOAT (f1)
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SELECT float8(f1) FROM INT2_TBL;
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SELECT f1 FROM TEMP_FLOAT
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ORDER BY f1;
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-- int4
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CREATE TABLE TEMP_INT4 (f1 INT4);
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INSERT INTO TEMP_INT4 (f1)
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SELECT int4(f1) FROM FLOAT8_TBL
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WHERE (f1 > -2147483647) AND (f1 < 2147483647);
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INSERT INTO TEMP_INT4 (f1)
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SELECT int4(f1) FROM INT2_TBL;
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SELECT f1 FROM TEMP_INT4
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ORDER BY f1;
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-- int2
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CREATE TABLE TEMP_INT2 (f1 INT2);
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INSERT INTO TEMP_INT2 (f1)
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SELECT int2(f1) FROM FLOAT8_TBL
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WHERE (f1 >= -32767) AND (f1 <= 32767);
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INSERT INTO TEMP_INT2 (f1)
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SELECT int2(f1) FROM INT4_TBL
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WHERE (f1 >= -32767) AND (f1 <= 32767);
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SELECT f1 FROM TEMP_INT2
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ORDER BY f1;
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--
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-- Group-by combinations
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--
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CREATE TABLE TEMP_GROUP (f1 INT4, f2 INT4, f3 FLOAT8);
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INSERT INTO TEMP_GROUP
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SELECT 1, (- i.f1), (- f.f1)
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FROM INT4_TBL i, FLOAT8_TBL f;
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INSERT INTO TEMP_GROUP
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SELECT 2, i.f1, f.f1
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FROM INT4_TBL i, FLOAT8_TBL f;
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SELECT DISTINCT f1 AS two FROM TEMP_GROUP ORDER BY 1;
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SELECT f1 AS two, max(f3) AS max_float, min(f3) as min_float
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FROM TEMP_GROUP
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GROUP BY f1
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ORDER BY two, max_float, min_float;
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-- GROUP BY a result column name is not legal per SQL92, but we accept it
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-- anyway (if the name is not the name of any column exposed by FROM).
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SELECT f1 AS two, max(f3) AS max_float, min(f3) AS min_float
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FROM TEMP_GROUP
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GROUP BY two
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ORDER BY two, max_float, min_float;
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SELECT f1 AS two, (max(f3) + 1) AS max_plus_1, (min(f3) - 1) AS min_minus_1
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FROM TEMP_GROUP
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GROUP BY f1
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ORDER BY two, min_minus_1;
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SELECT f1 AS two,
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max(f2) + min(f2) AS max_plus_min,
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min(f3) - 1 AS min_minus_1
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FROM TEMP_GROUP
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GROUP BY f1
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ORDER BY two, min_minus_1;
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DROP TABLE TEMP_INT2;
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DROP TABLE TEMP_INT4;
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DROP TABLE TEMP_FLOAT;
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DROP TABLE TEMP_GROUP;
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