(self)
| 58 | return value |
| 59 | |
| 60 | def checkDbms(self): |
| 61 | if not conf.extensiveFp and Backend.isDbmsWithin(PRESTO_ALIASES): |
| 62 | setDbms(DBMS.PRESTO) |
| 63 | |
| 64 | self.getBanner() |
| 65 | |
| 66 | return True |
| 67 | |
| 68 | infoMsg = "testing %s" % DBMS.PRESTO |
| 69 | logger.info(infoMsg) |
| 70 | |
| 71 | result = inject.checkBooleanExpression("TO_BASE64URL(NULL) IS NULL") |
| 72 | |
| 73 | if result: |
| 74 | infoMsg = "confirming %s" % DBMS.PRESTO |
| 75 | logger.info(infoMsg) |
| 76 | |
| 77 | result = inject.checkBooleanExpression("TO_HEX(FROM_HEX(NULL)) IS NULL") |
| 78 | |
| 79 | if not result: |
| 80 | warnMsg = "the back-end DBMS is not %s" % DBMS.PRESTO |
| 81 | logger.warning(warnMsg) |
| 82 | |
| 83 | return False |
| 84 | |
| 85 | setDbms(DBMS.PRESTO) |
| 86 | |
| 87 | if not conf.extensiveFp: |
| 88 | return True |
| 89 | |
| 90 | infoMsg = "actively fingerprinting %s" % DBMS.PRESTO |
| 91 | logger.info(infoMsg) |
| 92 | |
| 93 | # Reference: https://prestodb.io/docs/current/release/release-0.200.html |
| 94 | if inject.checkBooleanExpression("FROM_IEEE754_32(NULL) IS NULL"): |
| 95 | Backend.setVersion(">= 0.200") |
| 96 | # Reference: https://prestodb.io/docs/current/release/release-0.193.html |
| 97 | elif inject.checkBooleanExpression("NORMAL_CDF(NULL,NULL,NULL) IS NULL"): |
| 98 | Backend.setVersion(">= 0.193") |
| 99 | # Reference: https://prestodb.io/docs/current/release/release-0.183.html |
| 100 | elif inject.checkBooleanExpression("MAP_ENTRIES(NULL) IS NULL"): |
| 101 | Backend.setVersion(">= 0.183") |
| 102 | # Reference: https://prestodb.io/docs/current/release/release-0.171.html |
| 103 | elif inject.checkBooleanExpression("CODEPOINT(NULL) IS NULL"): |
| 104 | Backend.setVersion(">= 0.171") |
| 105 | # Reference: https://prestodb.io/docs/current/release/release-0.162.html |
| 106 | elif inject.checkBooleanExpression("XXHASH64(NULL) IS NULL"): |
| 107 | Backend.setVersion(">= 0.162") |
| 108 | # Reference: https://prestodb.io/docs/current/release/release-0.151.html |
| 109 | elif inject.checkBooleanExpression("COSINE_SIMILARITY(NULL,NULL) IS NULL"): |
| 110 | Backend.setVersion(">= 0.151") |
| 111 | # Reference: https://prestodb.io/docs/current/release/release-0.143.html |
| 112 | elif inject.checkBooleanExpression("TRUNCATE(NULL) IS NULL"): |
| 113 | Backend.setVersion(">= 0.143") |
| 114 | # Reference: https://prestodb.io/docs/current/release/release-0.137.html |
| 115 | elif inject.checkBooleanExpression("BIT_COUNT(NULL,NULL) IS NULL"): |
| 116 | Backend.setVersion(">= 0.137") |
| 117 | # Reference: https://prestodb.io/docs/current/release/release-0.130.html |
nothing calls this directly
no test coverage detected