v0.0.383 sq.InsertMultiple

sq/scanner.go

@@ -4,10 +4,9 @@ import (
 	"context"
 	"database/sql"
 	"errors"
-	"fmt"
 	"github.com/jmoiron/sqlx"
-	"reflect"
-	"strings"
+	"gogs.mikescher.com/BlackForestBytes/goext/exerr"
+	"gogs.mikescher.com/BlackForestBytes/goext/langext"
 )
 
 type StructScanMode string
@@ -26,42 +25,61 @@ const (
 
 func InsertSingle[TData any](ctx context.Context, q Queryable, tableName string, v TData) (sql.Result, error) {
 
-	rval := reflect.ValueOf(v)
-	rtyp := rval.Type()
+	sqlstr, pp, err := BuildInsertStatement(q, tableName, v)
+	if err != nil {
+		return nil, err
+	}
 
-	columns := make([]string, 0)
-	params := make([]string, 0)
-	pp := PP{}
+	sqlr, err := q.Exec(ctx, sqlstr, pp)
+	if err != nil {
+		return nil, err
+	}
 
-	for i := 0; i < rtyp.NumField(); i++ {
+	return sqlr, nil
+}
 
-		rsfield := rtyp.Field(i)
-		rvfield := rval.Field(i)
+func InsertMultiple[TData any](ctx context.Context, q Queryable, tableName string, vArr []TData, maxBatch int) ([]sql.Result, error) {
 
-		if !rsfield.IsExported() {
-			continue
+	if len(vArr) == 0 {
+		return make([]sql.Result, 0), nil
+	}
+
+	chunks := langext.ArrChunk(vArr, maxBatch)
+
+	sqlstrArr := make([]string, 0)
+	ppArr := make([]PP, 0)
+
+	for _, chunk := range chunks {
+
+		sqlstr, pp, err := BuildInsertMultipleStatement(q, tableName, chunk)
+		if err != nil {
+			return nil, exerr.Wrap(err, "").Build()
 		}
 
-		columnName := rsfield.Tag.Get("db")
-		if columnName == "" || columnName == "-" {
-			continue
-		}
+		sqlstrArr = append(sqlstrArr, sqlstr)
+		ppArr = append(ppArr, pp)
+	}
 
-		paramkey := fmt.Sprintf("_%s", columnName)
+	res := make([]sql.Result, 0, len(sqlstrArr))
 
-		columns = append(columns, "\""+columnName+"\"")
-		params = append(params, ":"+paramkey)
-
-		val, err := convertValueToDB(q, rvfield.Interface())
+	for i := 0; i < len(sqlstrArr); i++ {
+		sqlr, err := q.Exec(ctx, sqlstrArr[i], ppArr[i])
 		if err != nil {
 			return nil, err
 		}
 
-		pp[paramkey] = val
-
+		res = append(res, sqlr)
 	}
 
-	sqlstr := fmt.Sprintf("INSERT"+" INTO \"%s\" (%s) VALUES (%s)", tableName, strings.Join(columns, ", "), strings.Join(params, ", "))
+	return res, nil
+}
+
+func UpdateSingle[TData any](ctx context.Context, q Queryable, tableName string, v TData, idColumn string) (sql.Result, error) {
+
+	sqlstr, pp, err := BuildUpdateStatement(q, tableName, v, idColumn)
+	if err != nil {
+		return nil, err
+	}
 
 	sqlr, err := q.Exec(ctx, sqlstr, pp)
 	if err != nil {