/
insert.go
107 lines (92 loc) · 2.68 KB
/
insert.go
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package psql
import (
"context"
"log/slog"
"reflect"
"strings"
)
// Insert is a short way to insert objects into database
//
// psql.Insert(ctx, obj)
//
// Is equivalent to:
//
// psql.Table(obj).Insert(ctx, obj)
//
// All passed objects must be of the same type
func Insert[T any](ctx context.Context, target ...*T) error {
if len(target) == 0 {
return nil
}
return Table[T]().Insert(ctx, target...)
}
func (t *TableMeta[T]) Insert(ctx context.Context, targets ...*T) error {
if t == nil {
return ErrNotReady
}
// INSERT QUERY
req := "INSERT INTO " + QuoteName(t.table) + " (" + t.fldStr + ") VALUES (" + strings.TrimSuffix(strings.Repeat("?,", len(t.fields)), ",") + ")"
stmt, err := doPrepareContext(ctx, req)
if err != nil {
slog.ErrorContext(ctx, req+"\n"+err.Error()+"\n"+debugStack(), "event", "psql:insert:prep_fail", "psql.table", t.table)
return &Error{Query: req, Err: err}
}
defer stmt.Close()
for _, target := range targets {
val := reflect.ValueOf(target).Elem()
params := make([]any, len(t.fields))
for n, f := range t.fields {
fval := val.Field(f.index)
if fval.Kind() == reflect.Ptr {
if fval.IsNil() {
continue
}
}
params[n] = export(fval.Interface())
}
_, err := stmt.ExecContext(ctx, params...)
if err != nil {
slog.ErrorContext(ctx, req+"\n"+err.Error()+"\n"+debugStack(), "event", "psql:insert:run_fail", "psql.table", t.table)
return &Error{Query: req, Err: err}
}
}
return nil
}
func InsertIgnore[T any](ctx context.Context, target ...*T) error {
if len(target) == 0 {
return nil
}
return Table[T]().InsertIgnore(ctx, target...)
}
func (t *TableMeta[T]) InsertIgnore(ctx context.Context, targets ...*T) error {
if t == nil {
return ErrNotReady
}
// INSERT IGNORE QUERY
req := "INSERT IGNORE INTO " + QuoteName(t.table) + " (" + t.fldStr + ") VALUES (" + strings.TrimSuffix(strings.Repeat("?,", len(t.fields)), ",") + ")"
stmt, err := doPrepareContext(ctx, req)
if err != nil {
slog.ErrorContext(ctx, req+"\n"+err.Error()+"\n"+debugStack(), "event", "psql:insert_ignore:prep_fail", "psql.table", t.table)
return &Error{Query: req, Err: err}
}
defer stmt.Close()
for _, target := range targets {
val := reflect.ValueOf(target).Elem()
params := make([]any, len(t.fields))
for n, f := range t.fields {
fval := val.Field(f.index)
if fval.Kind() == reflect.Ptr {
if fval.IsNil() {
continue
}
}
params[n] = export(fval.Interface())
}
_, err := stmt.ExecContext(ctx, params...)
if err != nil {
slog.ErrorContext(ctx, req+"\n"+err.Error()+"\n"+debugStack(), "event", "psql:insert_ignore:run_fail", "psql.table", t.table)
return &Error{Query: req, Err: err}
}
}
return nil
}