switch to more complete null package, implement nicer sql logging

boilingcore/imports.go

@@ -170,11 +170,12 @@ func newImporter() importer {
 			`"time"`,
 		},
 		thirdParty: importList{
-			`"github.com/pkg/errors"`,
+			`"github.com/lbryio/null.go"`,
 			`"github.com/lbryio/sqlboiler/boil"`,
 			`"github.com/lbryio/sqlboiler/queries"`,
 			`"github.com/lbryio/sqlboiler/queries/qm"`,
 			`"github.com/lbryio/sqlboiler/strmangle"`,
+			`"github.com/pkg/errors"`,
 		},
 	}
 
@@ -183,6 +184,10 @@ func newImporter() importer {
 			standard: importList{
 				`"database/sql"`,
 				`"fmt"`,
+				`"reflect"`,
+				`"strconv"`,
+				`"strings"`,
+				`"time"`,
 			},
 			thirdParty: importList{
 				`"github.com/lbryio/sqlboiler/boil"`,
@@ -190,6 +195,7 @@ func newImporter() importer {
 				`"github.com/lbryio/sqlboiler/queries/qm"`,
 				`"github.com/lbryio/sqlboiler/strmangle"`,
 				`"github.com/pkg/errors"`,
+				`"github.com/lbryio/null.go"`,
 			},
 		},
 		"boil_types": {
@@ -315,55 +321,55 @@ func newImporter() importer {
 	// TranslateColumnType to see the type assignments.
 	imp.BasedOnType = mapImports{
 		"null.Float32": {
-			thirdParty: importList{`"gopkg.in/nullbio/null.v6"`},
+			thirdParty: importList{`"github.com/lbryio/null.go"`},
 		},
 		"null.Float64": {
-			thirdParty: importList{`"gopkg.in/nullbio/null.v6"`},
+			thirdParty: importList{`"github.com/lbryio/null.go"`},
 		},
 		"null.Int": {
-			thirdParty: importList{`"gopkg.in/nullbio/null.v6"`},
+			thirdParty: importList{`"github.com/lbryio/null.go"`},
 		},
 		"null.Int8": {
-			thirdParty: importList{`"gopkg.in/nullbio/null.v6"`},
+			thirdParty: importList{`"github.com/lbryio/null.go"`},
 		},
 		"null.Int16": {
-			thirdParty: importList{`"gopkg.in/nullbio/null.v6"`},
+			thirdParty: importList{`"github.com/lbryio/null.go"`},
 		},
 		"null.Int32": {
-			thirdParty: importList{`"gopkg.in/nullbio/null.v6"`},
+			thirdParty: importList{`"github.com/lbryio/null.go"`},
 		},
 		"null.Int64": {
-			thirdParty: importList{`"gopkg.in/nullbio/null.v6"`},
+			thirdParty: importList{`"github.com/lbryio/null.go"`},
 		},
 		"null.Uint": {
-			thirdParty: importList{`"gopkg.in/nullbio/null.v6"`},
+			thirdParty: importList{`"github.com/lbryio/null.go"`},
 		},
 		"null.Uint8": {
-			thirdParty: importList{`"gopkg.in/nullbio/null.v6"`},
+			thirdParty: importList{`"github.com/lbryio/null.go"`},
 		},
 		"null.Uint16": {
-			thirdParty: importList{`"gopkg.in/nullbio/null.v6"`},
+			thirdParty: importList{`"github.com/lbryio/null.go"`},
 		},
 		"null.Uint32": {
-			thirdParty: importList{`"gopkg.in/nullbio/null.v6"`},
+			thirdParty: importList{`"github.com/lbryio/null.go"`},
 		},
 		"null.Uint64": {
-			thirdParty: importList{`"gopkg.in/nullbio/null.v6"`},
+			thirdParty: importList{`"github.com/lbryio/null.go"`},
 		},
 		"null.String": {
-			thirdParty: importList{`"gopkg.in/nullbio/null.v6"`},
+			thirdParty: importList{`"github.com/lbryio/null.go"`},
 		},
 		"null.Bool": {
-			thirdParty: importList{`"gopkg.in/nullbio/null.v6"`},
+			thirdParty: importList{`"github.com/lbryio/null.go"`},
 		},
 		"null.Time": {
-			thirdParty: importList{`"gopkg.in/nullbio/null.v6"`},
+			thirdParty: importList{`"github.com/lbryio/null.go"`},
 		},
 		"null.JSON": {
-			thirdParty: importList{`"gopkg.in/nullbio/null.v6"`},
+			thirdParty: importList{`"github.com/lbryio/null.go"`},
 		},
 		"null.Bytes": {
-			thirdParty: importList{`"gopkg.in/nullbio/null.v6"`},
+			thirdParty: importList{`"github.com/lbryio/null.go"`},
 		},
 		"time.Time": {
 			standard: importList{`"time"`},

boilingcore/imports_test.go

@@ -246,7 +246,7 @@ func TestCombineTypeImports(t *testing.T) {
 		},
 		thirdParty: importList{
 			`"github.com/lbryio/sqlboiler/boil"`,
-			`"gopkg.in/nullbio/null.v6"`,
+			`"github.com/lbryio/null.go"`,
 		},
 	}
 
@@ -281,7 +281,7 @@ func TestCombineTypeImports(t *testing.T) {
 		},
 		thirdParty: importList{
 			`"github.com/lbryio/sqlboiler/boil"`,
-			`"gopkg.in/nullbio/null.v6"`,
+			`"github.com/lbryio/null.go"`,
 		},
 	}
 
@@ -297,7 +297,7 @@ func TestCombineImports(t *testing.T) {
 
 	a := imports{
 		standard:   importList{"fmt"},
-		thirdParty: importList{"github.com/lbryio/sqlboiler", "gopkg.in/nullbio/null.v6"},
+		thirdParty: importList{"github.com/lbryio/sqlboiler", "github.com/lbryio/null.go"},
 	}
 	b := imports{
 		standard:   importList{"os"},
@@ -309,8 +309,8 @@ func TestCombineImports(t *testing.T) {
 	if c.standard[0] != "fmt" && c.standard[1] != "os" {
 		t.Errorf("Wanted: fmt, os got: %#v", c.standard)
 	}
-	if c.thirdParty[0] != "github.com/lbryio/sqlboiler" && c.thirdParty[1] != "gopkg.in/nullbio/null.v6" {
+	if c.thirdParty[0] != "github.com/lbryio/sqlboiler" && c.thirdParty[1] != "github.com/lbryio/null.go" {
-		t.Errorf("Wanted: github.com/lbryio/sqlboiler, gopkg.in/nullbio/null.v6 got: %#v", c.thirdParty)
+		t.Errorf("Wanted: github.com/lbryio/sqlboiler, github.com/lbryio/null.go got: %#v", c.thirdParty)
 	}
 }
 

queries/helpers_test.go

@@ -5,7 +5,7 @@ import (
 	"testing"
 	"time"
 
-	null "gopkg.in/nullbio/null.v6"
+	null "github.com/lbryio/null.go"
 )
 
 type testObj struct {

queries/query.go

@@ -3,8 +3,15 @@ package queries
 import (
 	"database/sql"
 	"fmt"
+	"reflect"
+	"strconv"
+	"strings"
+	"time"
 
+	"github.com/lbryio/null.go"
 	"github.com/lbryio/sqlboiler/boil"
+
+	"github.com/go-errors/errors"
 )
 
 // joinKind is the type of join
@@ -105,8 +112,11 @@ func RawG(query string, args ...interface{}) *Query {
 func (q *Query) Exec() (sql.Result, error) {
 	qs, args := buildQuery(q)
 	if boil.DebugMode {
-		fmt.Fprintln(boil.DebugWriter, qs)
+		qStr, err := interpolateParams(qs, args...)
-		fmt.Fprintln(boil.DebugWriter, args)
+		if err != nil {
+			return nil, err
+		}
+		fmt.Fprintln(boil.DebugWriter, qStr)
 	}
 	return q.executor.Exec(qs, args...)
 }
@@ -115,8 +125,11 @@ func (q *Query) Exec() (sql.Result, error) {
 func (q *Query) QueryRow() *sql.Row {
 	qs, args := buildQuery(q)
 	if boil.DebugMode {
-		fmt.Fprintln(boil.DebugWriter, qs)
+		qStr, err := interpolateParams(qs, args...)
-		fmt.Fprintln(boil.DebugWriter, args)
+		if err != nil {
+			panic(err)
+		}
+		fmt.Fprintln(boil.DebugWriter, qStr)
 	}
 	return q.executor.QueryRow(qs, args...)
 }
@@ -125,8 +138,11 @@ func (q *Query) QueryRow() *sql.Row {
 func (q *Query) Query() (*sql.Rows, error) {
 	qs, args := buildQuery(q)
 	if boil.DebugMode {
-		fmt.Fprintln(boil.DebugWriter, qs)
+		qStr, err := interpolateParams(qs, args...)
-		fmt.Fprintln(boil.DebugWriter, args)
+		if err != nil {
+			return nil, err
+		}
+		fmt.Fprintln(boil.DebugWriter, qStr)
 	}
 	return q.executor.Query(qs, args...)
 }
@@ -280,3 +296,69 @@ func AppendGroupBy(q *Query, clause string) {
 func AppendOrderBy(q *Query, clause string) {
 	q.orderBy = append(q.orderBy, clause)
 }
+
+// duplicated in boil_queries.tpl
+func interpolateParams(query string, args ...interface{}) (string, error) {
+	for i := 0; i < len(args); i++ {
+		field := reflect.ValueOf(args[i])
+
+		if value, ok := field.Interface().(time.Time); ok {
+			query = strings.Replace(query, "?", `"`+value.Format("2006-01-02 15:04:05")+`"`, 1)
+		} else if nullable, ok := field.Interface().(null.Nullable); ok {
+			if nullable.IsNull() {
+				query = strings.Replace(query, "?", "NULL", 1)
+			} else {
+				switch field.Type() {
+				case reflect.TypeOf(null.Time{}):
+					query = strings.Replace(query, "?", `"`+field.Interface().(null.Time).Time.Format("2006-01-02 15:04:05")+`"`, 1)
+				case reflect.TypeOf(null.Int{}):
+					query = strings.Replace(query, "?", strconv.FormatInt(int64(field.Interface().(null.Int).Int), 10), 1)
+				case reflect.TypeOf(null.Int8{}):
+					query = strings.Replace(query, "?", strconv.FormatInt(int64(field.Interface().(null.Int8).Int8), 10), 1)
+				case reflect.TypeOf(null.Int16{}):
+					query = strings.Replace(query, "?", strconv.FormatInt(int64(field.Interface().(null.Int16).Int16), 10), 1)
+				case reflect.TypeOf(null.Int32{}):
+					query = strings.Replace(query, "?", strconv.FormatInt(int64(field.Interface().(null.Int32).Int32), 10), 1)
+				case reflect.TypeOf(null.Int64{}):
+					query = strings.Replace(query, "?", strconv.FormatInt(field.Interface().(null.Int64).Int64, 10), 1)
+				case reflect.TypeOf(null.Uint{}):
+					query = strings.Replace(query, "?", strconv.FormatUint(uint64(field.Interface().(null.Uint).Uint), 10), 1)
+				case reflect.TypeOf(null.Uint8{}):
+					query = strings.Replace(query, "?", strconv.FormatUint(uint64(field.Interface().(null.Uint8).Uint8), 10), 1)
+				case reflect.TypeOf(null.Uint16{}):
+					query = strings.Replace(query, "?", strconv.FormatUint(uint64(field.Interface().(null.Uint16).Uint16), 10), 1)
+				case reflect.TypeOf(null.Uint32{}):
+					query = strings.Replace(query, "?", strconv.FormatUint(uint64(field.Interface().(null.Uint32).Uint32), 10), 1)
+				case reflect.TypeOf(null.Uint64{}):
+					query = strings.Replace(query, "?", strconv.FormatUint(field.Interface().(null.Uint64).Uint64, 10), 1)
+				case reflect.TypeOf(null.String{}):
+					query = strings.Replace(query, "?", `"`+field.Interface().(null.String).String+`"`, 1)
+				case reflect.TypeOf(null.Bool{}):
+					if field.Interface().(null.Bool).Bool {
+						query = strings.Replace(query, "?", "1", 1)
+					} else {
+						query = strings.Replace(query, "?", "0", 1)
+					}
+				}
+			}
+		} else {
+			switch field.Kind() {
+			case reflect.Bool:
+				boolString := "0"
+				if field.Bool() {
+					boolString = "1"
+				}
+				query = strings.Replace(query, "?", boolString, 1)
+			case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
+				query = strings.Replace(query, "?", strconv.FormatInt(field.Int(), 10), 1)
+			case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
+				query = strings.Replace(query, "?", strconv.FormatUint(field.Uint(), 10), 1)
+			case reflect.String:
+				query = strings.Replace(query, "?", `"`+field.String()+`"`, 1)
+			default:
+				return "", errors.New("Dont know how to interpolate type " + field.Type().String())
+			}
+		}
+	}
+	return query, nil
+}

randomize/randomize.go

@@ -14,7 +14,7 @@ import (
 	"sync/atomic"
 	"time"
 
-	null "gopkg.in/nullbio/null.v6"
+	null "github.com/lbryio/null.go"
 
 	"github.com/pkg/errors"
 	"github.com/satori/go.uuid"

randomize/randomize_test.go

@@ -5,7 +5,7 @@ import (
 	"testing"
 	"time"
 
-	null "gopkg.in/nullbio/null.v6"
+	null "github.com/lbryio/null.go"
 )
 
 func TestRandomizeStruct(t *testing.T) {

templates/07_relationship_to_one_eager.tpl

@@ -40,7 +40,11 @@ func ({{$varNameSingular}}L) Load{{$txt.Function.Name}}(e boil.Executor, singula
 	)
 
 	if boil.DebugMode {
-		fmt.Fprintf(boil.DebugWriter, "%s\n%v\n", query, args)
+    qStr, err := interpolateParams(query, args...)
+    if err != nil {
+      return err
+    }
+    fmt.Fprintln(boil.DebugWriter, qStr)
 	}
 
 	results, err := e.Query(query, args...)

templates/08_relationship_one_to_one_eager.tpl

@@ -40,7 +40,11 @@ func ({{$varNameSingular}}L) Load{{$txt.Function.Name}}(e boil.Executor, singula
 	)
 
 	if boil.DebugMode {
-		fmt.Fprintf(boil.DebugWriter, "%s\n%v\n", query, args)
+    qStr, err := interpolateParams(query, args...)
+    if err != nil {
+      return err
+    }
+    fmt.Fprintln(boil.DebugWriter, qStr)
 	}
 
 	results, err := e.Query(query, args...)

templates/09_relationship_to_many_eager.tpl

@@ -49,7 +49,11 @@ func ({{$varNameSingular}}L) Load{{$txt.Function.Name}}(e boil.Executor, singula
 		{{end -}}
 
 	if boil.DebugMode {
-		fmt.Fprintf(boil.DebugWriter, "%s\n%v\n", query, args)
+    qStr, err := interpolateParams(query, args...)
+    if err != nil {
+      return err
+    }
+    fmt.Fprintln(boil.DebugWriter, qStr)
 	}
 
 	results, err := e.Query(query, args...)

templates/10_relationship_to_one_setops.tpl

@@ -53,8 +53,11 @@ func (o *{{$txt.LocalTable.NameGo}}) Set{{$txt.Function.Name}}(exec boil.Executo
 	values := []interface{}{related.{{$txt.ForeignTable.ColumnNameGo}}, o.{{$dot.Table.PKey.Columns | stringMap $dot.StringFuncs.titleCase | join ", o."}}{{"}"}}
 
 	if boil.DebugMode {
-		fmt.Fprintln(boil.DebugWriter, updateQuery)
+    qStr, err := interpolateParams(updateQuery, values...)
-		fmt.Fprintln(boil.DebugWriter, values)
+    if err != nil {
+      return err
+    }
+    fmt.Fprintln(boil.DebugWriter, qStr)
 	}
 
 	if _, err = exec.Exec(updateQuery, values...); err != nil {

templates/11_relationship_one_to_one_setops.tpl

@@ -59,8 +59,11 @@ func (o *{{$txt.LocalTable.NameGo}}) Set{{$txt.Function.Name}}(exec boil.Executo
 		values := []interface{}{o.{{$txt.LocalTable.ColumnNameGo}}, related.{{$foreignPKeyCols | stringMap $dot.StringFuncs.titleCase | join ", related."}}{{"}"}}
 
 		if boil.DebugMode {
-			fmt.Fprintln(boil.DebugWriter, updateQuery)
+      qStr, err := interpolateParams(updateQuery, values...)
-			fmt.Fprintln(boil.DebugWriter, values)
+      if err != nil {
+        return err
+      }
+      fmt.Fprintln(boil.DebugWriter, qStr)
 		}
 
 		if _, err = exec.Exec(updateQuery, values...); err != nil {

templates/12_relationship_to_many_setops.tpl

@@ -66,8 +66,11 @@ func (o *{{$txt.LocalTable.NameGo}}) Add{{$txt.Function.Name}}(exec boil.Executo
 			values := []interface{}{o.{{$txt.LocalTable.ColumnNameGo}}, rel.{{$foreignPKeyCols | stringMap $dot.StringFuncs.titleCase | join ", rel."}}{{"}"}}
 
 			if boil.DebugMode {
-				fmt.Fprintln(boil.DebugWriter, updateQuery)
+        qStr, err := interpolateParams(updateQuery, values...)
-				fmt.Fprintln(boil.DebugWriter, values)
+        if err != nil {
+          return err
+        }
+        fmt.Fprintln(boil.DebugWriter, qStr)
 			}
 
 			if _, err = exec.Exec(updateQuery, values...); err != nil {
@@ -87,8 +90,11 @@ func (o *{{$txt.LocalTable.NameGo}}) Add{{$txt.Function.Name}}(exec boil.Executo
 		values := []interface{}{{"{"}}o.{{$txt.LocalTable.ColumnNameGo}}, rel.{{$txt.ForeignTable.ColumnNameGo}}}
 
 		if boil.DebugMode {
-			fmt.Fprintln(boil.DebugWriter, query)
+      qStr, err := interpolateParams(query, values...)
-			fmt.Fprintln(boil.DebugWriter, values)
+      if err != nil {
+        return err
+      }
+      fmt.Fprintln(boil.DebugWriter, qStr)
 		}
 
 		_, err = exec.Exec(query, values...)
@@ -184,8 +190,11 @@ func (o *{{$txt.LocalTable.NameGo}}) Set{{$txt.Function.Name}}(exec boil.Executo
 	values := []interface{}{{"{"}}o.{{$txt.LocalTable.ColumnNameGo}}}
 	{{end -}}
 	if boil.DebugMode {
-		fmt.Fprintln(boil.DebugWriter, query)
+    qStr, err := interpolateParams(query, values...)
-		fmt.Fprintln(boil.DebugWriter, values)
+    if err != nil {
+      return err
+    }
+    fmt.Fprintln(boil.DebugWriter, qStr)
 	}
 
 	_, err := exec.Exec(query, values...)
@@ -260,8 +269,11 @@ func (o *{{$txt.LocalTable.NameGo}}) Remove{{$txt.Function.Name}}(exec boil.Exec
 	}
 
 	if boil.DebugMode {
-		fmt.Fprintln(boil.DebugWriter, query)
+    qStr, err := interpolateParams(query, values...)
-		fmt.Fprintln(boil.DebugWriter, values)
+    if err != nil {
+      return err
+    }
+    fmt.Fprintln(boil.DebugWriter, qStr)
 	}
 
 	_, err = exec.Exec(query, values...)

templates/15_insert.tpl

@@ -98,8 +98,11 @@ func (o *{{$tableNameSingular}}) Insert(exec boil.Executor, whitelist ... string
 	vals := queries.ValuesFromMapping(value, cache.valueMapping)
 
 	if boil.DebugMode {
-		fmt.Fprintln(boil.DebugWriter, cache.query)
+	  qStr, err := interpolateParams(cache.query, vals...)
-		fmt.Fprintln(boil.DebugWriter, vals)
+	  if err != nil {
+	    return err
+	  }
+    fmt.Fprintln(boil.DebugWriter, qStr)
 	}
 
 	{{if .UseLastInsertID -}}
@@ -144,8 +147,11 @@ func (o *{{$tableNameSingular}}) Insert(exec boil.Executor, whitelist ... string
 	}
 
 	if boil.DebugMode {
-		fmt.Fprintln(boil.DebugWriter, cache.retQuery)
+	  qStr, err := interpolateParams(cache.retQuery, identifierCols...)
-		fmt.Fprintln(boil.DebugWriter, identifierCols...)
+	  if err != nil {
+	    return err
+	  }
+    fmt.Fprintln(boil.DebugWriter, qStr)
 	}
 
 	err = exec.QueryRow(cache.retQuery, identifierCols...).Scan(queries.PtrsFromMapping(value, cache.retMapping)...)

templates/16_update.tpl

@@ -78,8 +78,11 @@ func (o *{{$tableNameSingular}}) Update(exec boil.Executor, whitelist ... string
 	values := queries.ValuesFromMapping(reflect.Indirect(reflect.ValueOf(o)), cache.valueMapping)
 
 	if boil.DebugMode {
-		fmt.Fprintln(boil.DebugWriter, cache.query)
+	  qStr, err := interpolateParams(cache.query, values...)
-		fmt.Fprintln(boil.DebugWriter, values)
+	  if err != nil {
+	    return err
+	  }
+    fmt.Fprintln(boil.DebugWriter, qStr)
 	}
 
 	_, err = exec.Exec(cache.query, values...)
@@ -170,8 +173,11 @@ func (o {{$tableNameSingular}}Slice) UpdateAll(exec boil.Executor, cols M) error
 		strmangle.WhereClauseRepeated(string(dialect.LQ), string(dialect.RQ), {{if .Dialect.IndexPlaceholders}}len(colNames)+1{{else}}0{{end}}, {{$varNameSingular}}PrimaryKeyColumns, len(o)))
 
 	if boil.DebugMode {
-		fmt.Fprintln(boil.DebugWriter, sql)
+	  qStr, err := interpolateParams(sql, args...)
-		fmt.Fprintln(boil.DebugWriter, args...)
+	  if err != nil {
+	    return err
+	  }
+    fmt.Fprintln(boil.DebugWriter, qStr)
 	}
 
 	_, err := exec.Exec(sql, args...)

templates/17_upsert.tpl

@@ -147,8 +147,11 @@ func (o *{{$tableNameSingular}}) Upsert(exec boil.Executor, {{if eq .DriverName
 	}
 
 	if boil.DebugMode {
-		fmt.Fprintln(boil.DebugWriter, cache.query)
+	  qStr, err := interpolateParams(cache.query, vals...)
-		fmt.Fprintln(boil.DebugWriter, vals)
+	  if err != nil {
+	    return err
+	  }
+    fmt.Fprintln(boil.DebugWriter, qStr)
 	}
 
 	{{if .UseLastInsertID -}}
@@ -193,8 +196,11 @@ func (o *{{$tableNameSingular}}) Upsert(exec boil.Executor, {{if eq .DriverName
 	}
 
 	if boil.DebugMode {
-		fmt.Fprintln(boil.DebugWriter, cache.retQuery)
+	  qStr, err := interpolateParams(cache.retQuery, identifierCols...)
-		fmt.Fprintln(boil.DebugWriter, identifierCols...)
+	  if err != nil {
+	    return err
+	  }
+    fmt.Fprintln(boil.DebugWriter, qStr)
 	}
 
 	err = exec.QueryRow(cache.retQuery, identifierCols...).Scan(returns...)

templates/18_delete.tpl

@@ -46,8 +46,11 @@ func (o *{{$tableNameSingular}}) Delete(exec boil.Executor) error {
 	sql := "DELETE FROM {{$schemaTable}} WHERE {{if .Dialect.IndexPlaceholders}}{{whereClause .LQ .RQ 1 .Table.PKey.Columns}}{{else}}{{whereClause .LQ .RQ 0 .Table.PKey.Columns}}{{end}}"
 
 	if boil.DebugMode {
-	fmt.Fprintln(boil.DebugWriter, sql)
+	  qStr, err := interpolateParams(sql, args...)
-	fmt.Fprintln(boil.DebugWriter, args...)
+	  if err != nil {
+	    return err
+	  }
+    fmt.Fprintln(boil.DebugWriter, qStr)
 	}
 
 	_, err := exec.Exec(sql, args...)
@@ -139,8 +142,11 @@ func (o {{$tableNameSingular}}Slice) DeleteAll(exec boil.Executor) error {
 		strmangle.WhereClauseRepeated(string(dialect.LQ), string(dialect.RQ), {{if .Dialect.IndexPlaceholders}}1{{else}}0{{end}}, {{$varNameSingular}}PrimaryKeyColumns, len(o))
 
 	if boil.DebugMode {
-		fmt.Fprintln(boil.DebugWriter, sql)
+	  qStr, err := interpolateParams(sql, args...)
-		fmt.Fprintln(boil.DebugWriter, args)
+	  if err != nil {
+	    return err
+	  }
+    fmt.Fprintln(boil.DebugWriter, qStr)
 	}
 
 	_, err := exec.Exec(sql, args...)

templates/20_exists.tpl

@@ -14,8 +14,11 @@ func {{$tableNameSingular}}Exists(exec boil.Executor, {{$pkArgs}}) (bool, error)
 	{{- end}}
 
 	if boil.DebugMode {
-		fmt.Fprintln(boil.DebugWriter, sql)
+	  qStr, err := interpolateParams(sql, {{$pkNames | join ", "}})
-		fmt.Fprintln(boil.DebugWriter, {{$pkNames | join ", "}})
+	  if err != nil {
+	    return false, err
+	  }
+    fmt.Fprintln(boil.DebugWriter, qStr)
 	}
 
 	row := exec.QueryRow(sql, {{$pkNames | join ", "}})

templates/22_query.tpl

@@ -16,7 +16,7 @@ func (q *{{$tableNameSingular}}Query) Where(filters {{$tableNameSingular}}Filter
 	for i := 0; i < r.NumField(); i++ {
 		f := r.Field(i)
 		if f.Elem().IsValid() {
-			if nullable, ok := f.Elem().Interface().(Nullable); ok && nullable.IsZero() {
+			if nullable, ok := f.Elem().Interface().(null.Nullable); ok && nullable.IsNull() {
 				queries.AppendWhere(q.Query, r.Type().Field(i).Tag.Get("boil")+" IS NULL")
 			} else {
 				queries.AppendWhere(q.Query, r.Type().Field(i).Tag.Get("boil")+" = ?", f.Elem().Interface())

templates/23_merge.tpl

@@ -72,7 +72,7 @@ func Merge{{$tableNamePlural}}(exec boil.Executor, primaryID uint64, secondaryID
 		pf := pr.Elem().Field(i)
 		sf := sr.Elem().Field(i)
 		if sf.IsValid() {
-			if nullable, ok := sf.Interface().(Nullable); ok && !nullable.IsZero() && pf.Interface().(Nullable).IsZero() {
+			if nullable, ok := sf.Interface().(null.Nullable); ok && !nullable.IsNull() && pf.Interface().(null.Nullable).IsNull() {
 				pf.Set(sf)
 			}
 		}

templates/singleton/boil_queries.tpl

@@ -136,3 +136,69 @@ func checkMerge(tx *sql.Tx, foreignKeys []foreignKey) error {
 
 	return nil
 }
+
+// duplicated in queries/query.go
+func interpolateParams(query string, args ...interface{}) (string, error) {
+	for i := 0; i < len(args); i++ {
+		field := reflect.ValueOf(args[i])
+
+		if value, ok := field.Interface().(time.Time); ok {
+			query = strings.Replace(query, "?", `"`+value.Format("2006-01-02 15:04:05")+`"`, 1)
+		} else if nullable, ok := field.Interface().(null.Nullable); ok {
+			if nullable.IsNull() {
+				query = strings.Replace(query, "?", "NULL", 1)
+			} else {
+				switch field.Type() {
+				case reflect.TypeOf(null.Time{}):
+					query = strings.Replace(query, "?", `"`+field.Interface().(null.Time).Time.Format("2006-01-02 15:04:05")+`"`, 1)
+				case reflect.TypeOf(null.Int{}):
+					query = strings.Replace(query, "?", strconv.FormatInt(int64(field.Interface().(null.Int).Int), 10), 1)
+				case reflect.TypeOf(null.Int8{}):
+					query = strings.Replace(query, "?", strconv.FormatInt(int64(field.Interface().(null.Int8).Int8), 10), 1)
+				case reflect.TypeOf(null.Int16{}):
+					query = strings.Replace(query, "?", strconv.FormatInt(int64(field.Interface().(null.Int16).Int16), 10), 1)
+				case reflect.TypeOf(null.Int32{}):
+					query = strings.Replace(query, "?", strconv.FormatInt(int64(field.Interface().(null.Int32).Int32), 10), 1)
+				case reflect.TypeOf(null.Int64{}):
+					query = strings.Replace(query, "?", strconv.FormatInt(field.Interface().(null.Int64).Int64, 10), 1)
+				case reflect.TypeOf(null.Uint{}):
+					query = strings.Replace(query, "?", strconv.FormatUint(uint64(field.Interface().(null.Uint).Uint), 10), 1)
+				case reflect.TypeOf(null.Uint8{}):
+					query = strings.Replace(query, "?", strconv.FormatUint(uint64(field.Interface().(null.Uint8).Uint8), 10), 1)
+				case reflect.TypeOf(null.Uint16{}):
+					query = strings.Replace(query, "?", strconv.FormatUint(uint64(field.Interface().(null.Uint16).Uint16), 10), 1)
+				case reflect.TypeOf(null.Uint32{}):
+					query = strings.Replace(query, "?", strconv.FormatUint(uint64(field.Interface().(null.Uint32).Uint32), 10), 1)
+				case reflect.TypeOf(null.Uint64{}):
+					query = strings.Replace(query, "?", strconv.FormatUint(field.Interface().(null.Uint64).Uint64, 10), 1)
+				case reflect.TypeOf(null.String{}):
+					query = strings.Replace(query, "?", `"`+field.Interface().(null.String).String+`"`, 1)
+				case reflect.TypeOf(null.Bool{}):
+					if field.Interface().(null.Bool).Bool {
+						query = strings.Replace(query, "?", "1", 1)
+					} else {
+						query = strings.Replace(query, "?", "0", 1)
+					}
+				}
+			}
+		} else {
+			switch field.Kind() {
+			case reflect.Bool:
+				boolString := "0"
+				if field.Bool() {
+					boolString = "1"
+				}
+				query = strings.Replace(query, "?", boolString, 1)
+			case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
+				query = strings.Replace(query, "?", strconv.FormatInt(field.Int(), 10), 1)
+			case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
+				query = strings.Replace(query, "?", strconv.FormatUint(field.Uint(), 10), 1)
+			case reflect.String:
+				query = strings.Replace(query, "?", `"`+field.String()+`"`, 1)
+			default:
+				return "", errors.New("Dont know how to interpolate type " + field.Type().String())
+			}
+		}
+	}
+	return query, nil
+}

templates/singleton/boil_types.tpl

@@ -1,11 +1,6 @@
 // M type is for providing columns and column values to UpdateAll.
 type M map[string]interface{}
 
-// Nullable means the value may represent an sql NULL. It is implemented by null.* types.
-type Nullable interface {
-	IsZero() bool
-}
-
 // foreignKey connects two tables. When merging records, foreign keys from secondary record must
 // be reassigned to primary record.
 type foreignKey struct {