Add Project: SqlSugar.HGCore

2025-09-24 13:03:43 +08:00 · 2023-05-31 12:36:37 +08:00
parent bf424f1959
commit dc28ceeeba
27 changed files with 3701 additions and 0 deletions
--- a/Src/Asp.NetCore2/SqlSugar.HG/HG/SqlBuilder/PostgreSQLQueryBuilder.cs
+++ b/Src/Asp.NetCore2/SqlSugar.HG/HG/SqlBuilder/PostgreSQLQueryBuilder.cs
@@ -0,0 +1,121 @@
+using System.Linq;
+using System.Text;
+using System.Text.RegularExpressions;
+
+namespace SqlSugar.HG
+{
+    public partial class HGQueryBuilder : QueryBuilder
+    {
+        #region Sql Template
+        public override string PageTempalte
+        {
+            get
+            {
+                /*
+                 SELECT * FROM TABLE WHERE CONDITION ORDER BY ID DESC LIMIT 10 offset 0
+                 */
+                var template = "SELECT {0} FROM {1} {2} {3} {4} LIMIT {6} offset {5}";
+                return template;
+            }
+        }
+        public override string DefaultOrderByTemplate
+        {
+            get
+            {
+                return "ORDER BY NOW() ";
+            }
+        }
+
+        #endregion
+
+        #region Common Methods
+        public override string GetTableNameString
+        {
+            get
+            {
+                if (this.TableShortName != null&&this.Context.CurrentConnectionConfig?.MoreSettings?.PgSqlIsAutoToLower==false) 
+                {
+                    this.TableShortName = Builder.GetTranslationColumnName(this.TableShortName);
+                }
+                return base.GetTableNameString;
+            }
+        }
+        public override bool IsComplexModel(string sql)
+        {
+            return Regex.IsMatch(sql, @"AS ""\w+\.\w+""")|| Regex.IsMatch(sql, @"AS ""\w+\.\w+\.\w+""");
+        }
+        public override string ToSqlString()
+        {
+            base.AppendFilter();
+            string oldOrderValue = this.OrderByValue;
+            string result = null;
+            sql = new StringBuilder();
+            sql.AppendFormat(SqlTemplate, GetSelectValue, GetTableNameString, GetWhereValueString, GetGroupByString + HavingInfos, (Skip != null || Take != null) ? null : GetOrderByString);
+            if (IsCount) { return sql.ToString(); }
+            if (Skip != null && Take == null)
+            {
+                if (this.OrderByValue == "ORDER BY ") this.OrderByValue += GetSelectValue.Split(',')[0];
+                result = string.Format(PageTempalte, GetSelectValue, GetTableNameString, GetWhereValueString, GetGroupByString + HavingInfos, (Skip != null || Take != null) ? null : GetOrderByString, Skip.ObjToInt(), long.MaxValue);
+            }
+            else if (Skip == null && Take != null)
+            {
+                if (this.OrderByValue == "ORDER BY ") this.OrderByValue += GetSelectValue.Split(',')[0];
+                result = string.Format(PageTempalte, GetSelectValue, GetTableNameString, GetWhereValueString, GetGroupByString + HavingInfos, GetOrderByString, 0, Take.ObjToInt());
+            }
+            else if (Skip != null && Take != null)
+            {
+                if (this.OrderByValue == "ORDER BY ") this.OrderByValue += GetSelectValue.Split(',')[0];
+                result = string.Format(PageTempalte, GetSelectValue, GetTableNameString, GetWhereValueString, GetGroupByString + HavingInfos, GetOrderByString, Skip.ObjToInt() > 0 ? Skip.ObjToInt() : 0, Take);
+            }
+            else
+            {
+                result = sql.ToString();
+            }
+            this.OrderByValue = oldOrderValue;
+            result = GetSqlQuerySql(result);
+            if (result.IndexOf("-- No table") > 0)
+            {
+                return "-- No table";
+            }
+            if (TranLock != null)
+            {
+                result = result + TranLock;
+            }
+            return result;
+        }
+
+        #endregion
+
+        #region Get SQL Partial
+        public override string GetSelectValue
+        {
+            get
+            {
+                string result = string.Empty;
+                if (this.SelectValue == null || this.SelectValue is string)
+                {
+                    result = GetSelectValueByString();
+                }
+                else
+                {
+                    result = GetSelectValueByExpression();
+                }
+                if (this.SelectType == ResolveExpressType.SelectMultiple)
+                {
+                    this.SelectCacheKey = this.SelectCacheKey + string.Join("-", this.JoinQueryInfos.Select(it => it.TableName));
+                }
+                if (IsDistinct) 
+                {
+                    result = "distinct "+result;
+                }
+                if (this.SubToListParameters != null && this.SubToListParameters.Any())
+                {
+                    result = SubToListMethod(result);
+                }
+                return result;
+            }
+        }
+
+        #endregion
+    }
+}