Prepend table names to the generated enum names

Otherwise we'll get a collision if a column name is shared for an enum table across two tables

Author: alecbz

examples/booktest/mysql/db_test.go

@@ -41,7 +41,7 @@ func TestBooks(t *testing.T) {
 		AuthorID:  int32(authorID),
 		Isbn:      "1",
 		Title:     "my book title",
-		BookType:  BookTypeFICTION,
+		BookType:  BooksBookTypeFICTION,
 		Yr:        2016,
 		Available: now,
 	})
@@ -54,7 +54,7 @@ func TestBooks(t *testing.T) {
 		AuthorID:  int32(authorID),
 		Isbn:      "2",
 		Title:     "the second book",
-		BookType:  BookTypeFICTION,
+		BookType: BooksBookTypeFICTION ,
 		Yr:        2016,
 		Available: now,
 		Tags:      "cool,unique",
@@ -82,7 +82,7 @@ func TestBooks(t *testing.T) {
 		AuthorID:  int32(authorID),
 		Isbn:      "3",
 		Title:     "the third book",
-		BookType:  BookTypeFICTION,
+		BookType:  BooksBookTypeFICTION,
 		Yr:        2001,
 		Available: now,
 		Tags:      "cool",
@@ -96,7 +96,7 @@ func TestBooks(t *testing.T) {
 		AuthorID:  int32(authorID),
 		Isbn:      "4",
 		Title:     "4th place finisher",
-		BookType:  BookTypeNONFICTION,
+		BookType:  BooksBookTypeNONFICTION,
 		Yr:        2011,
 		Available: now,
 		Tags:      "other",

examples/booktest/mysql/models.go

@@ -44,7 +44,7 @@ func runOnDeckQueries(t *testing.T, q *Queries) {
 		Name:            "The Fillmore",
 		City:            city.Slug,
 		SpotifyPlaylist: "spotify:uri",
-		Status:          StatusOpen,
+		Status:          VenuesStatusOpen,
 		Statuses:        join(string(StatusOpen), string(StatusClosed)),
 		Tags:            join("rock", "punk"),
 	})

examples/booktest/mysql/query.sql.go

@@ -2,6 +2,7 @@ package catalog
 
 import (
 	"errors"
+	"fmt"
 
 	"github.com/kyleconroy/sqlc/internal/sql/ast"
 	"github.com/kyleconroy/sqlc/internal/sql/sqlerr"
@@ -162,7 +163,7 @@ func (c *Catalog) createTable(stmt *ast.CreateTableStmt) error {
 			}
 			if col.Vals != nil {
 				typeName := ast.TypeName{
-					Name: col.Colname,
+					Name: fmt.Sprintf("%s_%s", stmt.Name.Name, col.Colname),
 				}
 				s := &ast.CreateEnumStmt{TypeName: &typeName, Vals: col.Vals}
 				if err := c.createEnum(s); err != nil {