|
| 1 | +-- basic full outer join |
| 2 | +SELECT * FROM |
| 3 | + (SELECT * FROM upperCaseData WHERE N <= 4) leftTable FULL OUTER JOIN |
| 4 | + (SELECT * FROM upperCaseData WHERE N >= 3) rightTable |
| 5 | + ON leftTable.N = rightTable.N; |
| 6 | + |
| 7 | +-- basic right outer join |
| 8 | +SELECT * FROM lowercasedata l RIGHT OUTER JOIN uppercasedata u ON l.n = u.N; |
| 9 | + |
| 10 | +-- basic left outer join |
| 11 | +SELECT * FROM uppercasedata u LEFT OUTER JOIN lowercasedata l ON l.n = u.N; |
| 12 | + |
| 13 | +-- left-outer join over two nested table expressions |
| 14 | +SELECT c.c1, c.c2, c.c3, c.c4 |
| 15 | +FROM ( |
| 16 | + SELECT a.c1 AS c1, a.c2 AS c2, b.c3 AS c3, b.c4 AS c4 |
| 17 | + FROM |
| 18 | + ( |
| 19 | + SELECT src1.key AS c1, src1.value AS c2 |
| 20 | + FROM duplicateRowData src1 WHERE src1.key > 100 and src1.key < 300 |
| 21 | + ) a |
| 22 | + LEFT OUTER JOIN |
| 23 | + ( |
| 24 | + SELECT src2.key AS c3, src2.value AS c4 |
| 25 | + FROM duplicateRowData src2 WHERE src2.key > 200 and src2.key < 400 |
| 26 | + ) b |
| 27 | + ON (a.c1 = b.c3) |
| 28 | +) c; |
| 29 | + |
| 30 | +-- right-outer join over two nested table expressions |
| 31 | +SELECT c.c1, c.c2, c.c3, c.c4 |
| 32 | +FROM ( |
| 33 | + SELECT a.c1 AS c1, a.c2 AS c2, b.c3 AS c3, b.c4 AS c4 |
| 34 | + FROM |
| 35 | + ( |
| 36 | + SELECT src1.key AS c1, src1.value AS c2 |
| 37 | + FROM duplicateRowData src1 WHERE src1.key > 100 and src1.key < 300 |
| 38 | + ) a |
| 39 | + RIGHT OUTER JOIN |
| 40 | + ( |
| 41 | + SELECT src2.key AS c3, src2.value AS c4 |
| 42 | + FROM duplicateRowData src2 WHERE src2.key > 200 and src2.key < 400 |
| 43 | + ) b |
| 44 | + ON (a.c1 = b.c3) |
| 45 | +) c; |
| 46 | + |
| 47 | +-- full-outer join over two nested table expressions |
| 48 | +SELECT c.c1, c.c2, c.c3, c.c4 |
| 49 | +FROM ( |
| 50 | + SELECT a.c1 AS c1, a.c2 AS c2, b.c3 AS c3, b.c4 AS c4 |
| 51 | + FROM |
| 52 | + ( |
| 53 | + SELECT src1.key AS c1, src1.value AS c2 |
| 54 | + FROM duplicateRowData src1 WHERE src1.key > 100 and src1.key < 300 |
| 55 | + ) a |
| 56 | + FULL OUTER JOIN |
| 57 | + ( |
| 58 | + SELECT src2.key AS c3, src2.value AS c4 |
| 59 | + FROM duplicateRowData src2 WHERE src2.key > 200 and src2.key < 400 |
| 60 | + ) b |
| 61 | + ON (a.c1 = b.c3) |
| 62 | +) c; |
| 63 | + |
| 64 | +-- full-outer join + left-outer join over nested table expressions |
| 65 | +SELECT c.c1, c.c2, c.c3, c.c4, c.c5, c.c6 |
| 66 | +FROM ( |
| 67 | + SELECT a.c1 AS c1, a.c2 AS c2, b.c3 AS c3, b.c4 AS c4, c.c5 AS c5, c.c6 AS c6 |
| 68 | + FROM |
| 69 | + ( |
| 70 | + SELECT src1.key AS c1, src1.value AS c2 |
| 71 | + FROM duplicateRowData src1 WHERE src1.key > 10 and src1.key < 150 |
| 72 | + ) a |
| 73 | + FULL OUTER JOIN |
| 74 | + ( |
| 75 | + SELECT src2.key AS c3, src2.value AS c4 |
| 76 | + FROM duplicateRowData src2 WHERE src2.key > 150 and src2.key < 300 |
| 77 | + ) b |
| 78 | + ON (a.c1 = b.c3) |
| 79 | + LEFT OUTER JOIN |
| 80 | + ( |
| 81 | + SELECT src3.key AS c5, src3.value AS c6 |
| 82 | + FROM duplicateRowData src3 WHERE src3.key > 200 and src3.key < 400 |
| 83 | + ) c |
| 84 | + ON (a.c1 = c.c5) |
| 85 | +) c; |
| 86 | + |
| 87 | +-- left-outer join + join condition + filter |
| 88 | +SELECT c.c1, c.c2, c.c3, c.c4 |
| 89 | +FROM ( |
| 90 | + SELECT a.c1 AS c1, a.c2 AS c2, b.c3 AS c3, b.c4 AS c4 |
| 91 | + FROM |
| 92 | + ( |
| 93 | + SELECT src1.key AS c1, src1.value AS c2 |
| 94 | + FROM duplicateRowData src1 WHERE src1.key > 100 and src1.key < 300 |
| 95 | + ) a |
| 96 | + LEFT OUTER JOIN |
| 97 | + ( |
| 98 | + SELECT src2.key AS c3, src2.value AS c4 |
| 99 | + FROM duplicateRowData src2 WHERE src2.key > 200 and src2.key < 400 |
| 100 | + ) b |
| 101 | + ON (a.c1 = b.c3) |
| 102 | +) c |
| 103 | +where c.c3 IS NULL AND c.c1 IS NOT NULL; |
| 104 | + |
| 105 | +-- full outer join over Aggregate |
| 106 | +SELECT a.key, a.value, b.key, b.value |
| 107 | +FROM |
| 108 | + ( |
| 109 | + SELECT src1.key as key, count(src1.value) AS value |
| 110 | + FROM duplicateRowData src1 group by src1.key |
| 111 | + ) a |
| 112 | + FULL OUTER JOIN |
| 113 | + ( |
| 114 | + SELECT src2.key as key, count(distinct(src2.value)) AS value |
| 115 | + FROM nullData src2 group by src2.key |
| 116 | + ) b |
| 117 | +ON (a.key = b.key); |
| 118 | + |
| 119 | +-- full outer join + multi distinct |
| 120 | +SELECT a.key, a.value, b.key, b.value1, b.value2 |
| 121 | +FROM |
| 122 | + ( |
| 123 | + SELECT src1.key as key, count(src1.value) AS value |
| 124 | + FROM duplicateRowData src1 group by src1.key |
| 125 | + ) a |
| 126 | + FULL OUTER JOIN |
| 127 | + ( |
| 128 | + SELECT src2.key as key, count(distinct(src2.value)) AS value1, |
| 129 | + count(distinct(src2.key)) AS value2 |
| 130 | + FROM nullData src2 group by src2.key |
| 131 | + ) b |
| 132 | +ON (a.key = b.key); |
| 133 | + |
| 134 | +-- inner join + right-outer join #1 |
| 135 | +SELECT a.k1,a.v1,a.k2,a.v2,a.k3,a.v3 |
| 136 | +FROM ( |
| 137 | + SELECT src1.key as k1, src1.value as v1, src2.key as k2, src2.value as v2 , src3.key as k3, |
| 138 | + src3.value as v3 |
| 139 | + FROM duplicateRowData src1 JOIN duplicateRowData src2 ON (src1.key = src2.key AND src1.key < 200) |
| 140 | + RIGHT OUTER JOIN duplicateRowData src3 ON (src1.key = src3.key AND src3.key < 300) |
| 141 | + SORT BY k1,v1,k2,v2,k3,v3 |
| 142 | +)a; |
| 143 | + |
| 144 | +-- inner join + right-outer join #2 |
| 145 | +SELECT a.k1,a.v1,a.k2,a.v2,a.k3,a.v3 |
| 146 | +FROM ( |
| 147 | + SELECT src1.key as k1, src1.value as v1, src2.key as k2, src2.value as v2 , src3.key as k3, |
| 148 | + src3.value as v3 |
| 149 | + FROM duplicateRowData src1 |
| 150 | + JOIN duplicateRowData src2 |
| 151 | + ON (src1.key = src2.key AND src1.key < 200 AND src2.key < 100) |
| 152 | + RIGHT OUTER JOIN duplicateRowData src3 |
| 153 | + ON (src1.key = src3.key AND src3.key < 300) |
| 154 | + SORT BY k1,v1,k2,v2,k3,v3 |
| 155 | +)a; |
| 156 | + |
| 157 | +-- left outer join + right outer join |
| 158 | +SELECT * |
| 159 | +FROM |
| 160 | + duplicateRowData src1 |
| 161 | + LEFT OUTER JOIN duplicateRowData src2 |
| 162 | + ON (src1.key = src2.key AND src1.key < 200 AND src2.key > 200) |
| 163 | + RIGHT OUTER JOIN duplicateRowData src3 |
| 164 | + ON (src2.key = src3.key AND src3.key < 200) |
| 165 | +SORT BY src1.key, src1.value, src2.key, src2.value, src3.key, src3.value; |
| 166 | + |
| 167 | +-- left outer + right outer |
| 168 | +SELECT * FROM duplicateRowData src1 |
| 169 | + LEFT OUTER JOIN duplicateRowData src2 |
| 170 | + ON (src1.key = src2.key AND src1.key < 200 AND src2.key > 200) |
| 171 | + RIGHT OUTER JOIN duplicateRowData src3 |
| 172 | + ON (src2.key = src3.key AND src3.key < 200) |
| 173 | + SORT BY src1.key, src1.value, src2.key, src2.value, src3.key, src3.value; |
| 174 | + |
| 175 | +-- right outer + right outer |
| 176 | +SELECT * FROM duplicateRowData src1 |
| 177 | + RIGHT OUTER JOIN duplicateRowData src2 |
| 178 | + ON (src1.key = src2.key AND src1.key < 200 AND src2.key > 200) |
| 179 | + RIGHT OUTER JOIN duplicateRowData src3 |
| 180 | + ON (src2.key = src3.key AND src3.key < 200) |
| 181 | + SORT BY src1.key, src1.value, src2.key, src2.value, src3.key, src3.value; |
| 182 | + |
| 183 | +-- left outer + left outer |
| 184 | +SELECT * FROM duplicateRowData src1 |
| 185 | + LEFT OUTER JOIN duplicateRowData src2 |
| 186 | + ON (src1.key = src2.key AND src1.key < 200 AND src2.key > 200) |
| 187 | + LEFT OUTER JOIN duplicateRowData src3 |
| 188 | + ON (src2.key = src3.key AND src3.key < 200) |
| 189 | + SORT BY src1.key, src1.value, src2.key, src2.value, src3.key, src3.value; |
| 190 | + |
| 191 | +-- right outer + left outer |
| 192 | +SELECT * FROM duplicateRowData src1 |
| 193 | + RIGHT OUTER JOIN duplicateRowData src2 |
| 194 | + ON (src1.key = src2.key AND src1.key < 200 AND src2.key > 200) |
| 195 | + LEFT OUTER JOIN duplicateRowData src3 |
| 196 | + ON (src2.key = src3.key AND src3.key < 200) |
| 197 | + SORT BY src1.key, src1.value, src2.key, src2.value, src3.key, src3.value; |
| 198 | + |
| 199 | +-- inner + left outer |
| 200 | +SELECT * FROM duplicateRowData src1 |
| 201 | + JOIN duplicateRowData src2 ON (src1.key = src2.key AND src1.key < 200 AND src2.key > 200) |
| 202 | + LEFT OUTER JOIN duplicateRowData src3 ON (src2.key = src3.key AND src3.key < 200) |
| 203 | + SORT BY src1.key, src1.value, src2.key, src2.value, src3.key, src3.value; |
| 204 | + |
| 205 | +-- inner + right outer |
| 206 | +SELECT * FROM duplicateRowData src1 |
| 207 | + JOIN duplicateRowData src2 ON (src1.key = src2.key AND src1.key < 200 AND src2.key > 200) |
| 208 | + RIGHT OUTER JOIN duplicateRowData src3 ON (src2.key = src3.key AND src3.key < 200) |
| 209 | + SORT BY src1.key, src1.value, src2.key, src2.value, src3.key, src3.value; |
| 210 | + |
| 211 | +-- left + inner outer |
| 212 | +SELECT * FROM duplicateRowData src1 |
| 213 | + LEFT OUTER JOIN duplicateRowData src2 |
| 214 | + ON (src1.key = src2.key AND src1.key < 200 AND src2.key > 200) |
| 215 | + JOIN duplicateRowData src3 |
| 216 | + ON (src2.key = src3.key AND src3.key < 200) |
| 217 | + SORT BY src1.key, src1.value, src2.key, src2.value, src3.key, src3.value; |
| 218 | + |
| 219 | +-- right + inner join |
| 220 | +SELECT * FROM duplicateRowData src1 |
| 221 | + RIGHT OUTER JOIN duplicateRowData src2 |
| 222 | + ON (src1.key = src2.key AND src1.key < 200 AND src2.key > 200) |
| 223 | + JOIN duplicateRowData src3 |
| 224 | + ON (src2.key = src3.key AND src3.key < 200) |
| 225 | + SORT BY src1.key, src1.value, src2.key, src2.value, src3.key, src3.value; |
| 226 | + |
| 227 | +-- left outer join with sorted by nested table expression |
| 228 | +FROM |
| 229 | +(SELECT duplicateRowData.* FROM duplicateRowData sort by key) x |
| 230 | +LEFT OUTER JOIN |
| 231 | +(SELECT duplicateRowData.* FROM duplicateRowData sort by value) Y |
| 232 | +ON (x.key = Y.key) |
| 233 | +select Y.key,Y.value; |
| 234 | + |
| 235 | +-- right outer join with sorted by nested table expression |
| 236 | +FROM |
| 237 | +(SELECT duplicateRowData.* FROM duplicateRowData sort by key) x |
| 238 | +RIGHT OUTER JOIN |
| 239 | +(SELECT duplicateRowData.* FROM duplicateRowData sort by value) Y |
| 240 | +ON (x.key = Y.key) |
| 241 | +select Y.key,Y.value; |
| 242 | + |
| 243 | +-- inner + left outer with sorted by nested table expression |
| 244 | +FROM |
| 245 | +(SELECT duplicateRowData.* FROM duplicateRowData sort by key) x |
| 246 | +JOIN |
| 247 | +(SELECT duplicateRowData.* FROM duplicateRowData sort by value) Y |
| 248 | +ON (x.key = Y.key) |
| 249 | +LEFT OUTER JOIN |
| 250 | +(SELECT duplicateRowData.* FROM duplicateRowData sort by value) Z |
| 251 | +ON (x.key = Z.key) |
| 252 | +select Y.key,Y.value; |
| 253 | + |
| 254 | +-- left + left outer with sorted by nested table expression |
| 255 | +FROM |
| 256 | +(SELECT duplicateRowData.* FROM duplicateRowData sort by key) x |
| 257 | +LEFT OUTER JOIN |
| 258 | +(SELECT duplicateRowData.* FROM duplicateRowData sort by value) Y |
| 259 | +ON (x.key = Y.key) |
| 260 | +LEFT OUTER JOIN |
| 261 | +(SELECT duplicateRowData.* FROM duplicateRowData sort by value) Z |
| 262 | +ON (x.key = Z.key) |
| 263 | +select Y.key,Y.value; |
| 264 | + |
| 265 | +-- left + right outer with sorted by nested table expression |
| 266 | +FROM |
| 267 | +(SELECT duplicateRowData.* FROM duplicateRowData sort by key) x |
| 268 | +LEFT OUTER JOIN |
| 269 | +(SELECT duplicateRowData.* FROM duplicateRowData sort by value) Y |
| 270 | +ON (x.key = Y.key) |
| 271 | +RIGHT OUTER JOIN |
| 272 | +(SELECT duplicateRowData.* FROM duplicateRowData sort by value) Z |
| 273 | +ON (x.key = Z.key) |
| 274 | +select Y.key,Y.value; |
| 275 | + |
| 276 | +-- right + right outer with sorted by nested table expression |
| 277 | +FROM |
| 278 | +(SELECT duplicateRowData.* FROM duplicateRowData sort by key) x |
| 279 | +RIGHT OUTER JOIN |
| 280 | +(SELECT duplicateRowData.* FROM duplicateRowData sort by value) Y |
| 281 | +ON (x.key = Y.key) |
| 282 | +RIGHT OUTER JOIN |
| 283 | +(SELECT duplicateRowData.* FROM duplicateRowData sort by value) Z |
| 284 | +ON (x.key = Z.key) |
| 285 | +select Y.key,Y.value; |
| 286 | + |
| 287 | +-- right outer + inner with sorted by nested table expression |
| 288 | +FROM |
| 289 | +(SELECT duplicateRowData.* FROM duplicateRowData sort by key) x |
| 290 | +RIGHT OUTER JOIN |
| 291 | +(SELECT duplicateRowData.* FROM duplicateRowData sort by value) Y |
| 292 | +ON (x.key = Y.key) |
| 293 | +JOIN |
| 294 | +(SELECT duplicateRowData.* FROM duplicateRowData sort by value) Z |
| 295 | +ON (x.key = Z.key) |
| 296 | +select Y.key,Y.value; |
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