395 lines
14 KiB
C#
395 lines
14 KiB
C#
using System;
|
|
using System.Collections.Generic;
|
|
using System.Data;
|
|
using System.Data.Common;
|
|
using System.Linq;
|
|
using System.Text;
|
|
|
|
namespace SqlSugar
|
|
{
|
|
public class OracleDbMaintenance : DbMaintenanceProvider
|
|
{
|
|
#region DML
|
|
protected override string GetColumnInfosByTableNameSql
|
|
{
|
|
get
|
|
{
|
|
throw new NotSupportedException();
|
|
}
|
|
}
|
|
protected override string GetTableInfoListSql
|
|
{
|
|
get
|
|
{
|
|
return @"SELECT table_name name from user_tables where
|
|
table_name!='HELP'
|
|
AND table_name NOT LIKE '%$%'
|
|
AND table_name NOT LIKE 'LOGMNRC_%'
|
|
AND table_name!='LOGMNRP_CTAS_PART_MAP'
|
|
AND table_name!='LOGMNR_LOGMNR_BUILDLOG'
|
|
AND table_name!='SQLPLUS_PRODUCT_PROFILE'
|
|
";
|
|
}
|
|
}
|
|
protected override string GetViewInfoListSql
|
|
{
|
|
get
|
|
{
|
|
return @"select view_name name from user_views
|
|
WHERE VIEW_name NOT LIKE '%$%'
|
|
AND VIEW_NAME !='PRODUCT_PRIVS'
|
|
AND VIEW_NAME NOT LIKE 'MVIEW_%' ";
|
|
}
|
|
}
|
|
#endregion
|
|
|
|
#region DDL
|
|
protected override string AddPrimaryKeySql
|
|
{
|
|
get
|
|
{
|
|
return "ALTER TABLE {0} ADD CONSTRAINT {1} PRIMARY KEY({2})";
|
|
}
|
|
}
|
|
protected override string AddColumnToTableSql
|
|
{
|
|
get
|
|
{
|
|
return "ALTER TABLE {0} ADD ({1} {2}{3} {4} {5} {6})";
|
|
}
|
|
}
|
|
protected override string AlterColumnToTableSql
|
|
{
|
|
get
|
|
{
|
|
return "ALTER TABLE {0} modify ({1} {2}{3} {4} {5} {6}) ";
|
|
}
|
|
}
|
|
protected override string BackupDataBaseSql
|
|
{
|
|
get
|
|
{
|
|
return @"USE master;BACKUP DATABASE {0} TO disk = '{1}'";
|
|
}
|
|
}
|
|
protected override string CreateTableSql
|
|
{
|
|
get
|
|
{
|
|
return "CREATE TABLE {0}(\r\n{1})";
|
|
}
|
|
}
|
|
protected override string CreateTableColumn
|
|
{
|
|
get
|
|
{
|
|
return "{0} {1}{2} {3} {4} {5}";
|
|
}
|
|
}
|
|
protected override string TruncateTableSql
|
|
{
|
|
get
|
|
{
|
|
return "TRUNCATE TABLE {0}";
|
|
}
|
|
}
|
|
protected override string BackupTableSql
|
|
{
|
|
get
|
|
{
|
|
return "create table {1} as select * from {2} where ROWNUM<={0}";
|
|
}
|
|
}
|
|
protected override string DropTableSql
|
|
{
|
|
get
|
|
{
|
|
return "DROP TABLE {0}";
|
|
}
|
|
}
|
|
protected override string DropColumnToTableSql
|
|
{
|
|
get
|
|
{
|
|
return "ALTER TABLE {0} DROP COLUMN {1}";
|
|
}
|
|
}
|
|
protected override string DropConstraintSql
|
|
{
|
|
get
|
|
{
|
|
return "ALTER TABLE {0} DROP CONSTRAINT {1}";
|
|
}
|
|
}
|
|
protected override string RenameColumnSql
|
|
{
|
|
get
|
|
{
|
|
return "ALTER TABLE {0} rename column {1} to {2}";
|
|
}
|
|
}
|
|
#endregion
|
|
|
|
#region Check
|
|
protected override string CheckSystemTablePermissionsSql
|
|
{
|
|
get
|
|
{
|
|
return "select t.table_name from user_tables t where rownum=1";
|
|
}
|
|
}
|
|
#endregion
|
|
|
|
#region Scattered
|
|
protected override string CreateTableNull
|
|
{
|
|
get
|
|
{
|
|
return "";
|
|
}
|
|
}
|
|
protected override string CreateTableNotNull
|
|
{
|
|
get
|
|
{
|
|
return "";
|
|
}
|
|
}
|
|
protected override string CreateTablePirmaryKey
|
|
{
|
|
get
|
|
{
|
|
return "PRIMARY KEY";
|
|
}
|
|
}
|
|
protected override string CreateTableIdentity
|
|
{
|
|
get
|
|
{
|
|
return "";
|
|
}
|
|
}
|
|
|
|
protected override string AddColumnRemarkSql
|
|
{
|
|
get
|
|
{
|
|
return "comment on column {1}.{0} is '{2}'";
|
|
}
|
|
}
|
|
|
|
protected override string DeleteColumnRemarkSql
|
|
{
|
|
get
|
|
{
|
|
return "comment on column {1}.{0} is ''";
|
|
}
|
|
}
|
|
|
|
protected override string IsAnyColumnRemarkSql
|
|
{
|
|
get
|
|
{
|
|
return "select * from user_col_comments where Table_Name='{1}' AND COLUMN_NAME='{0}' order by column_name";
|
|
}
|
|
}
|
|
|
|
protected override string AddTableRemarkSql
|
|
{
|
|
get
|
|
{
|
|
return "comment on table {0} is '{1}'";
|
|
}
|
|
}
|
|
|
|
protected override string DeleteTableRemarkSql
|
|
{
|
|
get
|
|
{
|
|
return "comment on table {0} is ''";
|
|
}
|
|
}
|
|
|
|
protected override string IsAnyTableRemarkSql
|
|
{
|
|
get
|
|
{
|
|
return "select * from user_tab_comments where Table_Name='{0}'order by Table_Name";
|
|
}
|
|
}
|
|
|
|
protected override string RenameTableSql {
|
|
get
|
|
{
|
|
return "alter table {0} rename to {1}";
|
|
}
|
|
}
|
|
#endregion
|
|
|
|
#region Methods
|
|
public override bool AddRemark(EntityInfo entity)
|
|
{
|
|
var db = this.Context;
|
|
var columns = entity.Columns.Where(it => it.IsIgnore == false).ToList();
|
|
|
|
foreach (var item in columns)
|
|
{
|
|
if (item.ColumnDescription != null)
|
|
{
|
|
//column remak
|
|
if (db.DbMaintenance.IsAnyColumnRemark(item.DbColumnName.ToUpper(), item.DbTableName.ToUpper()))
|
|
{
|
|
db.DbMaintenance.DeleteColumnRemark(item.DbColumnName.ToUpper(), item.DbTableName.ToUpper());
|
|
db.DbMaintenance.AddColumnRemark(item.DbColumnName.ToUpper(), item.DbTableName.ToUpper(), item.ColumnDescription);
|
|
}
|
|
else
|
|
{
|
|
db.DbMaintenance.AddColumnRemark(item.DbColumnName.ToUpper(), item.DbTableName.ToUpper(), item.ColumnDescription);
|
|
}
|
|
}
|
|
}
|
|
|
|
//table remak
|
|
if (entity.TableDescription != null)
|
|
{
|
|
if (db.DbMaintenance.IsAnyTableRemark(entity.DbTableName))
|
|
{
|
|
db.DbMaintenance.DeleteTableRemark(entity.DbTableName);
|
|
db.DbMaintenance.AddTableRemark(entity.DbTableName, entity.TableDescription);
|
|
}
|
|
else
|
|
{
|
|
db.DbMaintenance.AddTableRemark(entity.DbTableName, entity.TableDescription);
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
public override List<DbColumnInfo> GetColumnInfosByTableName(string tableName, bool isCache = true)
|
|
{
|
|
string cacheKey = "DbMaintenanceProvider.GetColumnInfosByTableName." + this.SqlBuilder.GetNoTranslationColumnName(tableName).ToLower();
|
|
cacheKey = GetCacheKey(cacheKey);
|
|
if (!isCache)
|
|
return GetColumnInfosByTableName(tableName);
|
|
else
|
|
return this.Context.Utilities.GetReflectionInoCacheInstance().GetOrCreate(cacheKey,
|
|
() =>
|
|
{
|
|
return GetColumnInfosByTableName(tableName);
|
|
|
|
});
|
|
}
|
|
|
|
private List<DbColumnInfo> GetColumnInfosByTableName(string tableName)
|
|
{
|
|
string sql = "select * from " + tableName + " WHERE 1=2 ";
|
|
var oldIsEnableLog = this.Context.Ado.IsEnableLogEvent;
|
|
this.Context.Ado.IsEnableLogEvent = false;
|
|
using (DbDataReader reader = (DbDataReader)this.Context.Ado.GetDataReader(sql))
|
|
{
|
|
this.Context.Ado.IsEnableLogEvent = oldIsEnableLog;
|
|
List<DbColumnInfo> result = new List<DbColumnInfo>();
|
|
var schemaTable = reader.GetSchemaTable();
|
|
foreach (System.Data.DataRow row in schemaTable.Rows)
|
|
{
|
|
DbColumnInfo column = new DbColumnInfo()
|
|
{
|
|
TableName = tableName,
|
|
DataType = row["DataType"].ToString().Replace("System.", "").Trim(),
|
|
IsNullable = (bool)row["AllowDBNull"],
|
|
//IsIdentity = (bool)row["IsAutoIncrement"],
|
|
ColumnDescription = GetFieldComment(tableName, row["ColumnName"].ToString()),
|
|
DbColumnName = row["ColumnName"].ToString(),
|
|
//DefaultValue = row["defaultValue"].ToString(),
|
|
IsPrimarykey = GetPrimaryKeyByTableNames(tableName).Any(it => it.Equals(row["ColumnName"].ToString(), StringComparison.CurrentCultureIgnoreCase)),
|
|
Length = row["ColumnSize"].ObjToInt(),
|
|
Scale = row["numericscale"].ObjToInt()
|
|
};
|
|
result.Add(column);
|
|
}
|
|
return result;
|
|
}
|
|
}
|
|
|
|
private List<string> GetPrimaryKeyByTableNames(string tableName)
|
|
{
|
|
string cacheKey = "DbMaintenanceProvider.GetPrimaryKeyByTableNames." + this.SqlBuilder.GetNoTranslationColumnName(tableName).ToLower();
|
|
cacheKey = GetCacheKey(cacheKey);
|
|
return this.Context.Utilities.GetReflectionInoCacheInstance().GetOrCreate(cacheKey,
|
|
() =>
|
|
{
|
|
var oldIsEnableLog = this.Context.Ado.IsEnableLogEvent;
|
|
this.Context.Ado.IsEnableLogEvent = false;
|
|
string sql = @" select distinct cu.COLUMN_name KEYNAME from user_cons_columns cu, user_constraints au
|
|
where cu.constraint_name = au.constraint_name
|
|
and au.constraint_type = 'P' and au.table_name = '" + tableName.ToUpper() + @"'";
|
|
var pks = this.Context.Ado.SqlQuery<string>(sql);
|
|
this.Context.Ado.IsEnableLogEvent = oldIsEnableLog;
|
|
return pks;
|
|
});
|
|
}
|
|
|
|
public string GetTableComment(string tableName)
|
|
{
|
|
string cacheKey = "DbMaintenanceProvider.GetTableComment." + tableName;
|
|
var comments = this.Context.Utilities.GetReflectionInoCacheInstance().GetOrCreate(cacheKey,
|
|
() =>
|
|
{
|
|
string sql = "SELECT COMMENTS FROM USER_TAB_COMMENTS WHERE TABLE_NAME =@tableName ORDER BY TABLE_NAME";
|
|
var oldIsEnableLog = this.Context.Ado.IsEnableLogEvent;
|
|
this.Context.Ado.IsEnableLogEvent = false;
|
|
var pks = this.Context.Ado.SqlQuery<string>(sql, new { tableName = tableName.ToUpper() });
|
|
this.Context.Ado.IsEnableLogEvent = oldIsEnableLog;
|
|
return pks;
|
|
});
|
|
return comments.HasValue() ? comments.First() : "";
|
|
}
|
|
|
|
public string GetFieldComment(string tableName, string filedName)
|
|
{
|
|
string cacheKey = "DbMaintenanceProvider.GetFieldComment." + tableName;
|
|
var comments = this.Context.Utilities.GetReflectionInoCacheInstance().GetOrCreate(cacheKey,
|
|
() =>
|
|
{
|
|
string sql = "SELECT TABLE_NAME AS TableName, COLUMN_NAME AS DbColumnName,COMMENTS AS ColumnDescription FROM user_col_comments WHERE TABLE_NAME =@tableName ORDER BY TABLE_NAME";
|
|
var oldIsEnableLog = this.Context.Ado.IsEnableLogEvent;
|
|
this.Context.Ado.IsEnableLogEvent = false;
|
|
var pks = this.Context.Ado.SqlQuery<DbColumnInfo>(sql, new { tableName = tableName.ToUpper() });
|
|
this.Context.Ado.IsEnableLogEvent = oldIsEnableLog;
|
|
return pks;
|
|
});
|
|
return comments.HasValue() ? comments.First(it => it.DbColumnName.Equals(filedName, StringComparison.CurrentCultureIgnoreCase)).ColumnDescription : "";
|
|
|
|
}
|
|
|
|
public override bool CreateTable(string tableName, List<DbColumnInfo> columns, bool isCreatePrimaryKey = true)
|
|
{
|
|
if (columns.HasValue())
|
|
{
|
|
foreach (var item in columns)
|
|
{
|
|
if (item.DbColumnName.Equals("GUID", StringComparison.CurrentCultureIgnoreCase) && item.Length == 0)
|
|
{
|
|
item.Length = 50;
|
|
}
|
|
if (item.DataType == "varchar" && item.Length == 0)
|
|
{
|
|
item.Length = 50;
|
|
}
|
|
}
|
|
}
|
|
string sql = GetCreateTableSql(tableName, columns);
|
|
this.Context.Ado.ExecuteCommand(sql);
|
|
if (isCreatePrimaryKey)
|
|
{
|
|
var pkColumns = columns.Where(it => it.IsPrimarykey).ToList();
|
|
foreach (var item in pkColumns)
|
|
{
|
|
this.Context.DbMaintenance.AddPrimaryKey(tableName, item.DbColumnName);
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
#endregion
|
|
}
|
|
}
|