| 57 | } |
| 58 | |
| 59 | TEST(SignatureBinderTest, decimals) { |
| 60 | // Decimal Add/Subtract. |
| 61 | { |
| 62 | auto signature = |
| 63 | exec::FunctionSignatureBuilder() |
| 64 | .integerVariable("a_precision") |
| 65 | .integerVariable("a_scale") |
| 66 | .integerVariable("b_precision") |
| 67 | .integerVariable("b_scale") |
| 68 | .integerVariable( |
| 69 | "r_precision", |
| 70 | "min(38, max(a_precision - a_scale, b_precision - b_scale) + max(a_scale, b_scale) + 1)") |
| 71 | .integerVariable("r_scale", "max(a_scale, b_scale)") |
| 72 | .returnType("decimal(r_precision, r_scale)") |
| 73 | .argumentType("decimal(a_precision, a_scale)") |
| 74 | .argumentType("decimal(b_precision, b_scale)") |
| 75 | .build(); |
| 76 | ASSERT_EQ( |
| 77 | signature->argumentTypes()[0].toString(), |
| 78 | "decimal(a_precision,a_scale)"); |
| 79 | ASSERT_EQ( |
| 80 | signature->argumentTypes()[1].toString(), |
| 81 | "decimal(b_precision,b_scale)"); |
| 82 | testSignatureBinder( |
| 83 | signature, {DECIMAL(11, 5), DECIMAL(10, 6)}, DECIMAL(13, 6)); |
| 84 | } |
| 85 | |
| 86 | // Decimal Multiply. |
| 87 | { |
| 88 | auto signature = |
| 89 | exec::FunctionSignatureBuilder() |
| 90 | .integerVariable("a_precision") |
| 91 | .integerVariable("a_scale") |
| 92 | .integerVariable("b_precision") |
| 93 | .integerVariable("b_scale") |
| 94 | .integerVariable( |
| 95 | "r_precision", "min(38, a_precision + b_precision)") |
| 96 | .integerVariable("r_scale", "a_scale + b_scale") |
| 97 | .returnType("DECIMAL(r_precision, r_scale)") |
| 98 | .argumentType("decimal(a_precision, a_scale)") |
| 99 | .argumentType("decimal(b_precision, b_scale)") |
| 100 | .build(); |
| 101 | |
| 102 | testSignatureBinder( |
| 103 | signature, {DECIMAL(11, 5), DECIMAL(10, 6)}, DECIMAL(21, 11)); |
| 104 | } |
| 105 | |
| 106 | // Decimal Divide. |
| 107 | { |
| 108 | auto signature = |
| 109 | exec::FunctionSignatureBuilder() |
| 110 | .integerVariable("a_precision") |
| 111 | .integerVariable("a_scale") |
| 112 | .integerVariable("b_precision") |
| 113 | .integerVariable("b_scale") |
| 114 | .integerVariable( |
| 115 | "r_precision", |
| 116 | "min(38, a_precision + b_scale + max(b_scale - a_scale, 0))") |
nothing calls this directly
no test coverage detected