SELECT `--t1_00849.a` AS `t1_00849.a`\nFROM \n(\n SELECT \n `--t1_00849.a`, \n b, \n `--t2_00849.a`, \n `t2_00849.b`, \n a AS `--t3_00849.a`, \n t3_00849.b\n FROM \n (\n SELECT \n a AS `--t1_00849.a`, \n b, \n t2_00849.a AS `--t2_00849.a`, \n t2_00849.b\n FROM t1_00849\n ALL INNER JOIN t2_00849 ON `--t1_00849.a` = `--t2_00849.a`\n ) AS `--.s`\n ALL INNER JOIN t3_00849 ON `--t2_00849.a` = `--t3_00849.a`\n) AS `--.s`\nALL INNER JOIN t4_00849 ON `--t3_00849.a` = a\nWHERE (`--t1_00849.a` = `--t2_00849.a`) AND (`--t2_00849.a` = `--t3_00849.a`) AND (`--t3_00849.a` = a)
SELECT `--t1_00849.a` AS `t1_00849.a`\nFROM \n(\n SELECT \n `--t1_00849.a`, \n b, \n `t2_00849.a`, \n `t2_00849.b`, \n a, \n t3_00849.b\n FROM \n (\n SELECT \n a AS `--t1_00849.a`, \n b, \n t2_00849.a, \n t2_00849.b\n FROM t1_00849\n CROSS JOIN t2_00849\n ) AS `--.s`\n CROSS JOIN t3_00849\n) AS `--.s`\nCROSS JOIN t4_00849
SELECT `--t1_00849.a` AS `t1_00849.a`\nFROM \n(\n SELECT \n `--t1_00849.a`, \n b, \n `t2_00849.a`, \n `t2_00849.b`, \n a, \n t3_00849.b\n FROM \n (\n SELECT \n a AS `--t1_00849.a`, \n b, \n t2_00849.a, \n t2_00849.b\n FROM t1_00849\n CROSS JOIN t2_00849\n ) AS `--.s`\n CROSS JOIN t3_00849\n) AS `--.s`\nCROSS JOIN t4_00849
SELECT `--t1_00849.a` AS `t1_00849.a`\nFROM \n(\n SELECT \n a AS `--t1_00849.a`, \n b, \n t2_00849.a, \n t2_00849.b\n FROM t1_00849\n CROSS JOIN t2_00849\n) AS `--.s`\nCROSS JOIN t3_00849
SELECT `--t1_00849.a` AS `t1_00849.a`\nFROM \n(\n SELECT \n a AS `--t1_00849.a`, \n b, \n t2_00849.a AS `--t2_00849.a`, \n t2_00849.b\n FROM t1_00849\n ALL INNER JOIN t2_00849 ON `--t1_00849.a` = `--t2_00849.a`\n) AS `--.s`\nCROSS JOIN t3_00849
SELECT `--t1.a` AS `t1.a`\nFROM \n(\n SELECT \n `--t1.a`, \n `--t2.a`, \n a AS `--t3.a`\n FROM \n (\n SELECT \n a AS `--t1.a`, \n t2.a AS `--t2.a`\n FROM t1\n ALL INNER JOIN t2 ON `--t1.a` = `--t2.a`\n ) AS `--.s`\n ALL INNER JOIN t3 ON `--t2.a` = `--t3.a`\n) AS `--.s`\nALL INNER JOIN t4 ON `--t3.a` = a\nWHERE (`--t1.a` = `--t2.a`) AND (`--t2.a` = `--t3.a`) AND (`--t3.a` = a)
SELECT `--t1.a` AS `t1.a`\nFROM \n(\n SELECT `--t1.a`\n FROM \n (\n SELECT a AS `--t1.a`\n FROM t1\n CROSS JOIN t2\n ) AS `--.s`\n CROSS JOIN t3\n) AS `--.s`\nCROSS JOIN t4
SELECT `--t1.a` AS `t1.a`\nFROM \n(\n SELECT `--t1.a`\n FROM \n (\n SELECT a AS `--t1.a`\n FROM t1\n CROSS JOIN t2\n ) AS `--.s`\n CROSS JOIN t3\n) AS `--.s`\nCROSS JOIN t4
SELECT `--t1.a` AS `t1.a`\nFROM \n(\n SELECT a AS `--t1.a`\n FROM t1\n CROSS JOIN t2\n) AS `--.s`\nCROSS JOIN t3
SELECT `--t1.a` AS `t1.a`\nFROM \n(\n SELECT \n a AS `--t1.a`, \n t2.a AS `--t2.a`\n FROM t1\n ALL INNER JOIN t2 ON `--t1.a` = `--t2.a`\n) AS `--.s`\nCROSS JOIN t3