TRUNCATE proveedores;
LOAD DATA INFILE 'C:\\files\\PROVEEDORES_2025_08_22.csv' INTO TABLE proveedores FIELDS TERMINATED BY '|' ENCLOSED BY '@' ESCAPED BY '' LINES TERMINATED BY '\n'  IGNORE 1 LINES(
 @col1,
 @col2
 ) set 
poliza=@col1, 
nombre=@col2, 
created_at=NOW();