panic on sql_table

[mdigger]

test {
    shape: sql_table
    test_id: varchar(64) {constraint: [primary_key, foreign_key]}
}

panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x2 addr=0x28 pc=0x100e364dc]

goroutine 51 [running]:
oss.terrastruct.com/d2/d2compiler.(*compiler).compileSQLTable(0x140000bea20?, 0x14001ea81c0)
        /Users/ec2-user/src/d2/d2compiler/compile.go:669 +0x70c
oss.terrastruct.com/d2/d2compiler.(*compiler).compileShapes(0x140000261f8?, 0x14001ea8000)
        /Users/ec2-user/src/d2/d2compiler/compile.go:566 +0x168
oss.terrastruct.com/d2/d2compiler.compileAST({0x0, 0x0}, {0x0?, {0x0?, 0x14000334900?, 0x1400007a720?}}, 0x140000be900)
        /Users/ec2-user/src/d2/d2compiler/compile.go:57 +0x178
oss.terrastruct.com/d2/d2compiler.Compile({0x0, 0x0}, {0x103221840, 0x1400007a720}, 0x14000334900?)
        /Users/ec2-user/src/d2/d2compiler/compile.go:40 +0xcc
oss.terrastruct.com/d2.Compile({0x1032252b8, 0x14000626040}, {0x14000034540, 0x61}, 0x14000608d78?)
        /Users/ec2-user/src/d2/d2.go:30 +0xbc
main.compile({0x1032252b8, 0x14000626040}, 0x14000608d88?, {0x103224f98, 0x1036d1e00}, 0x0, {0x16f4176ae?, 0x0?}, {0x16f4176b4, 0x6}, ...)
        /Users/ec2-user/src/d2/cmd/d2/main.go:190 +0xe0
main.(*watcher).compileLoop(0x14000634000, {0x1032252b8, 0x14000626040})
        /Users/ec2-user/src/d2/cmd/d2/watch.go:348 +0x2c4
main.(*watcher).goFunc.func1()
        /Users/ec2-user/src/d2/cmd/d2/watch.go:187 +0x7c
created by main.(*watcher).goFunc
        /Users/ec2-user/src/d2/cmd/d2/watch.go:183 +0x8c

:)

[janydoe]

now we can use primary_key_foreign_key #1245