20260507213409

code/app/app-go/pkg/db/delete.go

@@ -0,0 +1,59 @@
+package db
+
+import (
+	"context"
+	"fmt"
+	"strings"
+)
+
+func (c *Client) Delete(ctx context.Context, table, keyField string, data map[string]any) error {
+
+	keyVal, err := validateData(table, keyField, data)
+	if err != nil {
+		return err
+	}
+
+	sql := fmt.Sprintf(
+		"DELETE FROM %s WHERE %s = $1",
+		quoteTable(table),
+		quoteCol(keyField),
+	)
+
+	_, err = c.pool.Exec(ctx, sql, keyVal) // ⭐修复 exec
+	return err
+}
+
+func (c *Client) BatchDelete(ctx context.Context, table, keyField string, list []map[string]any) error {
+
+	if len(list) == 0 {
+		return fmt.Errorf("empty data")
+	}
+
+	var (
+		args []any
+		in   []string
+		i    = 1
+	)
+
+	for _, row := range list {
+
+		v, err := validateData(table, keyField, row)
+		if err != nil {
+			return err
+		}
+
+		in = append(in, fmt.Sprintf("$%d", i))
+		args = append(args, v)
+		i++
+	}
+
+	sql := fmt.Sprintf(
+		"DELETE FROM %s WHERE %s IN (%s)",
+		quoteTable(table),
+		quoteCol(keyField),
+		strings.Join(in, ", "),
+	)
+
+	_, err := c.pool.Exec(ctx, sql, args...) // ⭐修复 exec
+	return err
+}