Add boolean to int conversion function.

Author: cube2222

functions/functions.go

@@ -910,6 +910,18 @@ func FunctionMap() map[string]physical.FunctionDetails {
 						return values[0], nil
 					},
 				},
+				{
+					ArgumentTypes: []octosql.Type{octosql.Boolean},
+					OutputType:    octosql.Int,
+					Strict:        true,
+					Function: func(values []octosql.Value) (octosql.Value, error) {
+						if values[0].Boolean {
+							return octosql.NewInt(1), nil
+						} else {
+							return octosql.NewInt(0), nil
+						}
+					},
+				},
 				{
 					ArgumentTypes: []octosql.Type{octosql.Float},
 					OutputType:    octosql.Int,

tests/scenarios/functions/conversions.err

@@ -0,0 +1 @@
+octosql "SELECT int(true), int(false)"

tests/scenarios/functions/conversions.in

@@ -0,0 +1,5 @@
++-------+-------+
+| col_0 | col_1 |
++-------+-------+
+|     1 |     0 |
++-------+-------+