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pgsql的ToSql 字段别名添加双引号 #467

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@adeewu

Description

@adeewu

表结构

CREATE TABLE "public"."Untitled" (
  "PayOrderId" varchar(50) COLLATE "pg_catalog"."default" NOT NULL,
  "Money" money NOT NULL,
  "OrderTime" timestamptz(6)
);

PayOrder类

[JsonObject(MemberSerialization.OptIn), Table(Name = "pay_order", DisableSyncStructure = true)]
    public partial class PayOrder
    {
        /// <summary>
        /// 收款金额
        /// </summary>
        [JsonProperty, Column(DbType = "money")]
        public decimal Money { get; set; }

        /// <summary>
        /// 订单时间
        /// </summary>
        [JsonProperty, Column(DbType = "timestamptz")]
        public DateTime? OrderTime { get; set; }

        /// <summary>
        /// 支付Id
        /// </summary>
        [JsonProperty, Column(StringLength = 50)]
        public string PayOrderId { get; set; }
    }

查询代码

var orderSql = fsql
                .Select<PayOrder>()
                .As(nameof(PayOrder).ToLower())
                .Where(p => p.Status == 1)
                .ToSql(p => new
                {
                    p.PayOrderId,
                    p.Money,
                    p.OrderTime
                }, FreeSql.FieldAliasOptions.AsProperty);

生成sql语句

SELECT payorder."PayOrderId" PayOrderId, payorder."Money" Money, payorder."OrderTime" OrderTime 
FROM "pay_order" payorder 
WHERE (payorder."Status" = 1)

pgsql是区分大小写的,故sql语句中payorder."PayOrderId" PayOrderId的别名PayOrderId实际需要加上双引号,不然会在后续的查询中因为大小写导致无法找到PayOrderId

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