483 lines
7.5 KiB
SQL
483 lines
7.5 KiB
SQL
# name: test/sql/setops/test_pg_union.test
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# description: Postgres' 'union' tests, taken from src/test/regress/sql/union.sql
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# group: [setops]
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statement ok
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SET default_null_order='nulls_first';
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statement ok
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PRAGMA enable_verification
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#--
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#-- UNION (also INTERSECT, EXCEPT)
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#--
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#-- Simple UNION constructs
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query I
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SELECT 1 AS two UNION SELECT 2 ORDER BY 1;
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----
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1
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2
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query I
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SELECT 1 AS one UNION SELECT 1 ORDER BY 1;
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----
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1
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query I
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SELECT 1 AS two UNION ALL SELECT 2;
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----
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1
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2
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query I
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SELECT 1 AS two UNION ALL SELECT 1;
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----
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1
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1
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query I
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SELECT 1 AS three UNION SELECT 2 UNION SELECT 3 ORDER BY 1;
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----
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1
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2
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3
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query I
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SELECT 1 AS two UNION SELECT 2 UNION SELECT 2 ORDER BY 1;
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----
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1
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2
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query I
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SELECT 1 AS three UNION SELECT 2 UNION ALL SELECT 2 ORDER BY 1;
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----
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1
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2
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2
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query I
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SELECT 1.1 AS two UNION SELECT 2.2 ORDER BY 1;
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----
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1.1
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2.2
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#-- Mixed types
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query I
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SELECT 1.1 AS two UNION SELECT 2 ORDER BY 1;
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----
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1.1
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2.0
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query I
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SELECT 1 AS two UNION SELECT 2.2 ORDER BY 1;
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----
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1.0
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2.2
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query I
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SELECT 1 AS one UNION SELECT 1.0::float8 ORDER BY 1;
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----
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1.0
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query I
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SELECT 1.1 AS two UNION ALL SELECT 2 ORDER BY 1;
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----
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1.1
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2.0
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query I
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SELECT 1.0::float8 AS two UNION ALL SELECT 1 ORDER BY 1;
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----
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1.0
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1.0
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query I
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SELECT 1.1 AS three UNION SELECT 2 UNION SELECT 3 ORDER BY 1;
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----
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1.1
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2.0
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3.0
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query I
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SELECT 1.1::float8 AS two UNION SELECT 2 UNION SELECT 2.0::float8 ORDER BY 1;
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----
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1.1
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2.0
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query I
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SELECT 1.1 AS three UNION SELECT 2 UNION ALL SELECT 2 ORDER BY 1;
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----
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1.1
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2.0
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2.0
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query I
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SELECT 1.1 AS two UNION (SELECT 2 UNION ALL SELECT 2) ORDER BY 1;
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----
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1.1
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2.0
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#--
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#-- Try testing from tables...
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#--
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statement ok
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CREATE TABLE FLOAT8_TBL(f1 float8);
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statement ok
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INSERT INTO FLOAT8_TBL(f1) VALUES
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('0.0'),
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('-34.84'),
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('-1004.30'),
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('-1.2345678901234e+200'),
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('-1.2345678901234e-200');
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statement ok
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CREATE TABLE INT4_TBL(f1 int4);
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statement ok
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INSERT INTO INT4_TBL(f1) VALUES
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(' 0 '),
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('123456 '),
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(' -123456'),
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('2147483647'), -- largest and smallest values
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('-2147483647');
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statement ok
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CREATE TABLE INT8_TBL(q1 int8, q2 int8);
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statement ok
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INSERT INTO INT8_TBL VALUES
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(' 123 ',' 456'),
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('123 ','4567890123456789'),
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('4567890123456789','123'),
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(+4567890123456789,'4567890123456789'),
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('+4567890123456789','-4567890123456789');
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statement ok
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CREATE TABLE CHAR_TBL(f1 char(4));
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statement ok
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INSERT INTO CHAR_TBL (f1) VALUES
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('a'),
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('ab'),
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('abcd'),
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('abcd ');
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statement ok
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CREATE TABLE VARCHAR_TBL(f1 varchar(4));
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statement ok
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INSERT INTO VARCHAR_TBL (f1) VALUES
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('a'),
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('ab'),
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('abcd'),
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('abcd ');
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query I
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SELECT f1 AS five FROM FLOAT8_TBL
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UNION
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SELECT f1 FROM FLOAT8_TBL
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ORDER BY 1;
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----
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-1.2345678901234e+200
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-1004.3
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-34.84
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-1.2345678901234e-200
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0.0
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query I
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SELECT f1 AS ten FROM FLOAT8_TBL
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UNION ALL
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SELECT f1 FROM FLOAT8_TBL;
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----
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0.0
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-34.84
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-1004.3
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-1.2345678901234e+200
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-1.2345678901234e-200
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0.0
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-34.84
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-1004.3
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-1.2345678901234e+200
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-1.2345678901234e-200
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query I
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SELECT f1 AS nine FROM FLOAT8_TBL
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UNION
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SELECT f1 FROM INT4_TBL
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ORDER BY 1;
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----
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-1.2345678901234e+200
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-2147483647.0
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-123456.0
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-1004.3
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-34.84
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-1.2345678901234e-200
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0.0
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123456.0
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2147483647.0
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query I
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SELECT f1 AS ten FROM FLOAT8_TBL
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UNION ALL
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SELECT f1 FROM INT4_TBL;
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----
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0.0
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-34.84
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-1004.3
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-1.2345678901234e+200
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-1.2345678901234e-200
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0.0
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123456.0
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-123456.0
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2147483647.0
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-2147483647.0
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query I
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SELECT f1 AS five FROM FLOAT8_TBL
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WHERE f1 BETWEEN -1e6 AND 1e6
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UNION
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SELECT f1 FROM INT4_TBL
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WHERE f1 BETWEEN 0 AND 1000000
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ORDER BY 1;
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----
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-1004.3
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-34.84
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-1.2345678901234e-200
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0.0
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123456.0
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# disabled due to the lack of CHAR() in DuckDB
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mode skip
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query I
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SELECT CAST(f1 AS char(4)) AS three FROM VARCHAR_TBL
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UNION
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SELECT f1 FROM CHAR_TBL
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ORDER BY 1;
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----
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query I
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SELECT f1 AS three FROM VARCHAR_TBL
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UNION
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SELECT CAST(f1 AS varchar) FROM CHAR_TBL
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ORDER BY 1;
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----
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query I
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SELECT f1 AS eight FROM VARCHAR_TBL
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UNION ALL
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SELECT f1 FROM CHAR_TBL;
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----
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query I
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SELECT f1 AS five FROM TEXT_TBL
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UNION
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SELECT f1 FROM VARCHAR_TBL
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UNION
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SELECT TRIM(TRAILING FROM f1) FROM CHAR_TBL
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ORDER BY 1;
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----
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mode unskip
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#--
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#-- INTERSECT and EXCEPT
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#--
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query I
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SELECT q2 FROM int8_tbl INTERSECT SELECT q1 FROM int8_tbl ORDER BY 1;
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----
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123
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4567890123456789
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query I
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SELECT q2 FROM int8_tbl INTERSECT ALL SELECT q1 FROM int8_tbl ORDER BY 1;
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----
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123
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4567890123456789
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4567890123456789
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query I
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SELECT q2 FROM int8_tbl EXCEPT SELECT q1 FROM int8_tbl ORDER BY 1;
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----
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-4567890123456789
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456
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query I
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SELECT q2 FROM int8_tbl EXCEPT ALL SELECT q1 FROM int8_tbl ORDER BY 1;
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----
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-4567890123456789
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456
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query I
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SELECT q2 FROM int8_tbl EXCEPT ALL SELECT DISTINCT q1 FROM int8_tbl ORDER BY 1;
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----
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-4567890123456789
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456
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4567890123456789
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query I
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SELECT q1 FROM int8_tbl EXCEPT SELECT q2 FROM int8_tbl ORDER BY 1;
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----
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query I
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SELECT q1 FROM int8_tbl EXCEPT ALL SELECT q2 FROM int8_tbl ORDER BY 1;
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----
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123
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4567890123456789
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query I
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SELECT q1 FROM int8_tbl EXCEPT ALL SELECT DISTINCT q2 FROM int8_tbl ORDER BY 1;
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----
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123
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4567890123456789
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4567890123456789
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statement error
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SELECT q1 FROM int8_tbl EXCEPT ALL SELECT q1 FROM int8_tbl FOR NO KEY UPDATE;
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----
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<REGEX>:Parser Error.*SELECT locking clause is not supported.*
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#-- nested cases
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query III
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(SELECT 1,2,3 UNION SELECT 4,5,6) INTERSECT SELECT 4,5,6;
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----
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4 5 6
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query III
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(SELECT 1,2,3 UNION SELECT 4,5,6 ORDER BY 1,2) INTERSECT SELECT 4,5,6;
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----
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4 5 6
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query III
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(SELECT 1,2,3 UNION SELECT 4,5,6) EXCEPT SELECT 4,5,6;
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----
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1 2 3
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query III
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(SELECT 1,2,3 UNION SELECT 4,5,6 ORDER BY 1,2) EXCEPT SELECT 4,5,6;
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----
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1 2 3
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#--
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#-- Mixed types
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#--
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query I
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SELECT f1 FROM float8_tbl INTERSECT SELECT f1 FROM int4_tbl ORDER BY 1;
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----
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0
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query I
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SELECT f1 FROM float8_tbl EXCEPT SELECT f1 FROM int4_tbl ORDER BY 1;
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----
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-1.2345678901234e+200
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-1004.3
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-34.84
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-1.2345678901234e-200
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#--
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#-- Operator precedence and (((((extra))))) parentheses
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#--
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query I
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SELECT q1 FROM int8_tbl INTERSECT SELECT q2 FROM int8_tbl UNION ALL SELECT q2 FROM int8_tbl ORDER BY 1;
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----
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-4567890123456789
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123
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123
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456
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4567890123456789
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4567890123456789
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4567890123456789
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query I
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SELECT q1 FROM int8_tbl INTERSECT (((SELECT q2 FROM int8_tbl UNION ALL SELECT q2 FROM int8_tbl))) ORDER BY 1;
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----
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123
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4567890123456789
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query I
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(((SELECT q1 FROM int8_tbl INTERSECT SELECT q2 FROM int8_tbl ORDER BY 1))) UNION ALL SELECT q2 FROM int8_tbl;
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----
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123
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4567890123456789
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456
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4567890123456789
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123
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4567890123456789
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-4567890123456789
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query I
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SELECT q1 FROM int8_tbl UNION ALL SELECT q2 FROM int8_tbl EXCEPT SELECT q1 FROM int8_tbl ORDER BY 1;
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----
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-4567890123456789
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456
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query I
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SELECT q1 FROM int8_tbl UNION ALL (((SELECT q2 FROM int8_tbl EXCEPT SELECT q1 FROM int8_tbl ORDER BY 1)));
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----
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123
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123
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4567890123456789
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4567890123456789
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4567890123456789
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-4567890123456789
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456
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query I
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(((SELECT q1 FROM int8_tbl UNION ALL SELECT q2 FROM int8_tbl))) EXCEPT SELECT q1 FROM int8_tbl ORDER BY 1;
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----
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-4567890123456789
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456
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#--
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#-- Subqueries with ORDER BY & LIMIT clauses
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#--
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#-- In this syntax, ORDER BY/LIMIT apply to the result of the EXCEPT
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# Bug in DuckDB
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mode skip
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query II
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SELECT q1,q2 FROM int8_tbl EXCEPT SELECT q2,q1 FROM int8_tbl
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ORDER BY q2,q1;
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----
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4567890123456789 -4567890123456789
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123 456
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# this should fail but currently does not
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statement error
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SELECT q1 FROM int8_tbl EXCEPT SELECT q2 FROM int8_tbl ORDER BY q2 LIMIT 1;
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----
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<REGEX>:Parser Error.*SELECT locking clause is not supported.*
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mode unskip
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query I
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SELECT q1 FROM int8_tbl EXCEPT (((SELECT q2 FROM int8_tbl ORDER BY q2 LIMIT 1))) ORDER BY 1;
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----
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123
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4567890123456789
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#--
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#-- New syntaxes (7.1) permit new tests
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#--
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query II
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(((((select * from int8_tbl)))));
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----
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123 456
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123 4567890123456789
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4567890123456789 123
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4567890123456789 4567890123456789
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4567890123456789 -4567890123456789
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