2020-06-22 14:37:42 +00:00
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SELECT a
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FROM t1
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CROSS JOIN t2
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SELECT a
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FROM t1
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ALL INNER JOIN t2 ON a = t2.a
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WHERE a = t2.a
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SELECT a
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FROM t1
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ALL INNER JOIN t2 ON b = t2.b
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WHERE b = t2.b
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SELECT `--t1.a` AS `t1.a`
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FROM
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(
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2020-09-08 20:05:47 +00:00
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SELECT
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2020-06-22 14:37:42 +00:00
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a AS `--t1.a`,
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t2.a AS `--t2.a`
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FROM t1
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ALL INNER JOIN t2 ON `--t1.a` = `--t2.a`
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) AS `--.s`
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ALL INNER JOIN t3 ON `--t1.a` = a
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WHERE (`--t1.a` = `--t2.a`) AND (`--t1.a` = a)
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SELECT `--t1.a` AS `t1.a`
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FROM
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(
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2020-09-08 20:05:47 +00:00
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SELECT
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2020-06-22 14:37:42 +00:00
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b AS `--t1.b`,
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a AS `--t1.a`,
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t2.b AS `--t2.b`
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FROM t1
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ALL INNER JOIN t2 ON `--t1.b` = `--t2.b`
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) AS `--.s`
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ALL INNER JOIN t3 ON `--t1.b` = b
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WHERE (`--t1.b` = `--t2.b`) AND (`--t1.b` = b)
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SELECT `--t1.a` AS `t1.a`
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FROM
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(
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2020-09-08 20:05:47 +00:00
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SELECT
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2020-06-22 14:37:42 +00:00
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`--t1.a`,
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`--t2.a`,
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a AS `--t3.a`
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FROM
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(
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2020-09-08 20:05:47 +00:00
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SELECT
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2020-06-22 14:37:42 +00:00
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a AS `--t1.a`,
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t2.a AS `--t2.a`
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FROM t1
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ALL INNER JOIN t2 ON `--t1.a` = `--t2.a`
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) AS `--.s`
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ALL INNER JOIN t3 ON `--t1.a` = `--t3.a`
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) AS `--.s`
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ALL INNER JOIN t4 ON `--t1.a` = a
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WHERE (`--t1.a` = `--t2.a`) AND (`--t1.a` = `--t3.a`) AND (`--t1.a` = a)
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SELECT `--t1.a` AS `t1.a`
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FROM
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(
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2020-09-08 20:05:47 +00:00
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SELECT
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2020-06-22 14:37:42 +00:00
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`--t1.b`,
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`--t1.a`,
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`--t2.b`,
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b AS `--t3.b`
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FROM
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(
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2020-09-08 20:05:47 +00:00
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SELECT
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2020-06-22 14:37:42 +00:00
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b AS `--t1.b`,
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a AS `--t1.a`,
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t2.b AS `--t2.b`
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FROM t1
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ALL INNER JOIN t2 ON `--t1.b` = `--t2.b`
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) AS `--.s`
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ALL INNER JOIN t3 ON `--t1.b` = `--t3.b`
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) AS `--.s`
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ALL INNER JOIN t4 ON `--t1.b` = b
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WHERE (`--t1.b` = `--t2.b`) AND (`--t1.b` = `--t3.b`) AND (`--t1.b` = b)
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SELECT `--t1.a` AS `t1.a`
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FROM
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(
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2020-09-08 20:05:47 +00:00
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SELECT
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2020-06-22 14:37:42 +00:00
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`--t1.a`,
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`--t2.a`,
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a AS `--t3.a`
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FROM
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(
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2020-09-08 20:05:47 +00:00
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SELECT
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2020-06-22 14:37:42 +00:00
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a AS `--t1.a`,
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t2.a AS `--t2.a`
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FROM t1
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ALL INNER JOIN t2 ON `--t2.a` = `--t1.a`
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) AS `--.s`
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ALL INNER JOIN t3 ON `--t2.a` = `--t3.a`
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) AS `--.s`
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ALL INNER JOIN t4 ON `--t2.a` = a
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WHERE (`--t2.a` = `--t1.a`) AND (`--t2.a` = `--t3.a`) AND (`--t2.a` = a)
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SELECT `--t1.a` AS `t1.a`
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FROM
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(
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2020-09-08 20:05:47 +00:00
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SELECT
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2020-06-22 14:37:42 +00:00
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`--t1.a`,
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`--t2.a`,
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a AS `--t3.a`
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FROM
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(
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2020-09-08 20:05:47 +00:00
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SELECT
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2020-06-22 14:37:42 +00:00
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a AS `--t1.a`,
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t2.a AS `--t2.a`
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FROM t1
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CROSS JOIN t2
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) AS `--.s`
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ALL INNER JOIN t3 ON (`--t3.a` = `--t1.a`) AND (`--t3.a` = `--t2.a`)
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) AS `--.s`
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ALL INNER JOIN t4 ON `--t3.a` = a
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WHERE (`--t3.a` = `--t1.a`) AND (`--t3.a` = `--t2.a`) AND (`--t3.a` = a)
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SELECT `--t1.a` AS `t1.a`
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FROM
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(
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2020-09-08 20:05:47 +00:00
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SELECT
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2020-06-22 14:37:42 +00:00
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`--t1.a`,
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`--t2.a`,
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a AS `--t3.a`
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FROM
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(
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2020-09-08 20:05:47 +00:00
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SELECT
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2020-06-22 14:37:42 +00:00
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a AS `--t1.a`,
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t2.a AS `--t2.a`
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FROM t1
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CROSS JOIN t2
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) AS `--.s`
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CROSS JOIN t3
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) AS `--.s`
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2021-02-16 10:46:25 +00:00
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ALL INNER JOIN t4 ON ((a = `--t1.a`) AND (a = `--t2.a`)) AND (a = `--t3.a`)
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2020-06-22 14:37:42 +00:00
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WHERE (a = `--t1.a`) AND (a = `--t2.a`) AND (a = `--t3.a`)
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SELECT `--t1.a` AS `t1.a`
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FROM
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(
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2020-09-08 20:05:47 +00:00
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SELECT
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2020-06-22 14:37:42 +00:00
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`--t1.a`,
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`--t2.a`,
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a AS `--t3.a`
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FROM
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(
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2020-09-08 20:05:47 +00:00
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SELECT
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2020-06-22 14:37:42 +00:00
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a AS `--t1.a`,
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t2.a AS `--t2.a`
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FROM t1
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ALL INNER JOIN t2 ON `--t1.a` = `--t2.a`
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) AS `--.s`
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ALL INNER JOIN t3 ON `--t2.a` = `--t3.a`
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) AS `--.s`
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ALL INNER JOIN t4 ON `--t3.a` = a
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WHERE (`--t1.a` = `--t2.a`) AND (`--t2.a` = `--t3.a`) AND (`--t3.a` = a)
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SELECT `--t1.a` AS `t1.a`
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FROM
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(
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SELECT `--t1.a`
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FROM
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(
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SELECT a AS `--t1.a`
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FROM t1
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CROSS JOIN t2
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) AS `--.s`
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CROSS JOIN t3
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) AS `--.s`
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CROSS JOIN t4
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SELECT `--t1.a` AS `t1.a`
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FROM
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(
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SELECT `--t1.a`
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FROM
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(
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SELECT a AS `--t1.a`
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FROM t1
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CROSS JOIN t2
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) AS `--.s`
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CROSS JOIN t3
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) AS `--.s`
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CROSS JOIN t4
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SELECT `--t1.a` AS `t1.a`
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FROM
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(
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SELECT a AS `--t1.a`
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FROM t1
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CROSS JOIN t2
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) AS `--.s`
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CROSS JOIN t3
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SELECT `--t1.a` AS `t1.a`
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FROM
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(
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2020-09-08 20:05:47 +00:00
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SELECT
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2020-06-22 14:37:42 +00:00
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a AS `--t1.a`,
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t2.a AS `--t2.a`
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FROM t1
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ALL INNER JOIN t2 ON `--t1.a` = `--t2.a`
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) AS `--.s`
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CROSS JOIN t3
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2020-03-20 12:16:00 +00:00
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SELECT * FROM t1, t2
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1 1 1 1
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1 1 1 \N
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2 2 1 1
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2 2 1 \N
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3 3 1 1
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3 3 1 \N
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4 4 1 1
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4 4 1 \N
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SELECT * FROM t1, t2 WHERE t1.a = t2.a
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1 1 1 1
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1 1 1 \N
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SELECT t1.a, t2.a FROM t1, t2 WHERE t1.b = t2.b
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1 1
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SELECT t1.a, t2.b, t3.b FROM t1, t2, t3 WHERE t1.a = t2.a AND t1.a = t3.a
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1 1 1
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1 1 \N
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1 \N 1
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1 \N \N
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SELECT t1.a, t2.b, t3.b FROM t1, t2, t3 WHERE t1.b = t2.b AND t1.b = t3.b
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1 1 1
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SELECT t1.a, t2.b, t3.b, t4.b FROM t1, t2, t3, t4 WHERE t1.a = t2.a AND t1.a = t3.a AND t1.a = t4.a
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1 1 1 1
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1 1 1 \N
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1 1 \N 1
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1 1 \N \N
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1 \N 1 1
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1 \N 1 \N
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1 \N \N 1
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1 \N \N \N
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SELECT t1.a, t2.b, t3.b, t4.b FROM t1, t2, t3, t4 WHERE t1.b = t2.b AND t1.b = t3.b AND t1.b = t4.b
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1 1 1 1
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SELECT t1.a, t2.b, t3.b, t4.b FROM t1, t2, t3, t4 WHERE t1.a = t2.a AND t2.a = t3.a AND t3.a = t4.a
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1 1 1 1
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1 1 1 \N
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1 1 \N 1
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1 1 \N \N
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1 \N 1 1
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1 \N 1 \N
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1 \N \N 1
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1 \N \N \N
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