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完成CodeFirst 根据代码注释，迁移到数据库备注

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This commit is contained in:
28810
2019-06-17 12:04:31 +08:00
parent 5ce51bc310
commit 9e6b4fb52e
17 changed files with 157 additions and 57 deletions
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47
Providers/FreeSql.Provider.Oracle/OracleCodeFirst.cs
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@@ -112,6 +112,11 @@ namespace FreeSql.Oracle {
}
sb.Remove(sb.Length - 1, 1);
sb.Append("\r\n) \r\nLOGGING \r\nNOCOMPRESS \r\nNOCACHE\r\n';\r\n");
//备注
foreach (var tbcol in tb.Columns.Values) {
if (string.IsNullOrEmpty(tbcol.Comment) == false)
sb.Append("execute immediate 'COMMENT ON COLUMN ").Append(_commonUtils.QuoteSqlName($"{tbname[0]}.{tbname[1]}.{tbcol.Attribute.Name}")).Append(" IS ").Append(_commonUtils.FormatSql("{0}", tbcol.Comment).Replace("'", "''")).Append("';\r\n");
}
continue;
}
//如果新表，旧表在一个模式下，直接修改表名
@@ -127,17 +132,19 @@ namespace FreeSql.Oracle {
//对比字段，只可以修改类型、增加字段、有限的修改字段名；保证安全不删除字段
var sql = _commonUtils.FormatSql($@"
select
column_name,
data_type,
data_length,
data_precision,
data_scale,
char_used,
case when nullable = 'Y' then 1 else 0 end,
nvl((select 1 from user_sequences where sequence_name='{Utils.GetCsName((tboldname ?? tbname).Last())}_seq_'||all_tab_columns.column_name), 0),
nvl((select 1 from user_triggers where trigger_name='{Utils.GetCsName((tboldname ?? tbname).Last())}_seq_'||all_tab_columns.column_name||'TI'), 0)
from all_tab_columns
where owner={{0}} and table_name={{1}}", tboldname ?? tbname);
a.column_name,
a.data_type,
a.data_length,
a.data_precision,
a.data_scale,
a.char_used,
case when a.nullable = 'Y' then 1 else 0 end,
nvl((select 1 from user_sequences where sequence_name='{Utils.GetCsName((tboldname ?? tbname).Last())}_seq_'||a.column_name), 0),
nvl((select 1 from user_triggers where trigger_name='{Utils.GetCsName((tboldname ?? tbname).Last())}_seq_'||a.column_name||'TI'), 0),
b.comments
from all_tab_columns a
left join all_col_comments b on b.owner = a.owner and b.table_name = a.table_name and b.column_name = a.column_name
where a.owner={{0}} and a.table_name={{1}}", tboldname ?? tbname);
var ds = _orm.Ado.ExecuteArray(CommandType.Text, sql);
var tbstruct = ds.ToDictionary(a => string.Concat(a[0]), a => {
var sqlType = GetOracleSqlTypeFullName(a);
@@ -145,7 +152,8 @@ where owner={{0}} and table_name={{1}}", tboldname ?? tbname);
column = string.Concat(a[0]),
sqlType,
is_nullable = string.Concat(a[6]) == "1",
is_identity = string.Concat(a[7]) == "1" && string.Concat(a[8]) == "1"
is_identity = string.Concat(a[7]) == "1" && string.Concat(a[8]) == "1",
comment = string.Concat(a[9])
};
}, StringComparer.CurrentCultureIgnoreCase);
@@ -153,7 +161,8 @@ where owner={{0}} and table_name={{1}}", tboldname ?? tbname);
foreach (var tbcol in tb.Columns.Values) {
var dbtypeNoneNotNull = Regex.Replace(tbcol.Attribute.DbType, @"NOT\s+NULL", "NULL");
if (tbstruct.TryGetValue(tbcol.Attribute.Name, out var tbstructcol) ||
string.IsNullOrEmpty(tbcol.Attribute.OldName) == false && tbstruct.TryGetValue(tbcol.Attribute.OldName, out tbstructcol)) {
string.IsNullOrEmpty(tbcol.Attribute.OldName) == false && tbstruct.TryGetValue(tbcol.Attribute.OldName, out tbstructcol)) {
var isCommentChanged = tbstructcol.comment != (tbcol.Comment ?? "");
if (tbcol.Attribute.DbType.StartsWith(tbstructcol.sqlType, StringComparison.CurrentCultureIgnoreCase) == false)
istmpatler = true;
//sbalter.Append("execute immediate 'ALTER TABLE ").Append(_commonUtils.QuoteSqlName($"{tbname[0]}.{tbname[1]}")).Append(" MODIFY (").Append(_commonUtils.QuoteSqlName(tbstructcol.column)).Append(" ").Append(dbtypeNoneNotNull).Append(")';\r\n");
@@ -164,9 +173,11 @@ where owner={{0}} and table_name={{1}}", tboldname ?? tbname);
}
if (tbcol.Attribute.IsIdentity != tbstructcol.is_identity)
seqcols.Add((tbcol, tbname, tbcol.Attribute.IsIdentity == true));
if (tbstructcol.column == tbcol.Attribute.OldName)
if (string.Compare(tbstructcol.column, tbcol.Attribute.OldName, true) == 0)
//修改列名
sbalter.Append("execute immediate 'ALTER TABLE ").Append(_commonUtils.QuoteSqlName($"{tbname[0]}.{tbname[1]}")).Append(" RENAME ").Append(_commonUtils.QuoteSqlName(tbcol.Attribute.OldName)).Append(" TO ").Append(_commonUtils.QuoteSqlName(tbcol.Attribute.Name)).Append("';\r\n");
sbalter.Append("execute immediate 'ALTER TABLE ").Append(_commonUtils.QuoteSqlName($"{tbname[0]}.{tbname[1]}")).Append(" RENAME COLUMN ").Append(_commonUtils.QuoteSqlName(tbstructcol.column)).Append(" TO ").Append(_commonUtils.QuoteSqlName(tbcol.Attribute.Name)).Append("';\r\n");
if (isCommentChanged)
sbalter.Append("execute immediate 'COMMENT ON COLUMN ").Append(_commonUtils.QuoteSqlName($"{tbname[0]}.{tbname[1]}.{tbcol.Attribute.Name}")).Append(" IS ").Append(_commonUtils.FormatSql("{0}", tbcol.Comment ?? "").Replace("'", "''")).Append("';\r\n");
continue;
}
//添加列
@@ -176,6 +187,7 @@ where owner={{0}} and table_name={{1}}", tboldname ?? tbname);
sbalter.Append("execute immediate 'ALTER TABLE ").Append(_commonUtils.QuoteSqlName($"{tbname[0]}.{tbname[1]}")).Append(" MODIFY ").Append(_commonUtils.QuoteSqlName(tbcol.Attribute.Name)).Append(" NOT NULL';\r\n");
}
if (tbcol.Attribute.IsIdentity == true) seqcols.Add((tbcol, tbname, tbcol.Attribute.IsIdentity == true));
if (string.IsNullOrEmpty(tbcol.Comment) == false) sbalter.Append("execute immediate 'COMMENT ON COLUMN ").Append(_commonUtils.QuoteSqlName($"{tbname[0]}.{tbname[1]}.{tbcol.Attribute.Name}")).Append(" IS ").Append(_commonUtils.FormatSql("{0}", tbcol.Comment ?? "").Replace("'", "''")).Append("';\r\n");
}
var dsuksql = _commonUtils.FormatSql(@"
select
@@ -231,6 +243,11 @@ and a.owner in ({0}) and a.table_name in ({1})", tboldname ?? tbname);
}
sb.Remove(sb.Length - 1, 1);
sb.Append("\r\n) LOGGING \r\nNOCOMPRESS \r\nNOCACHE\r\n';\r\n");
//备注
foreach (var tbcol in tb.Columns.Values) {
if (string.IsNullOrEmpty(tbcol.Comment) == false)
sb.Append("execute immediate 'COMMENT ON COLUMN ").Append(_commonUtils.QuoteSqlName($"{tbname[0]}.FTmp_{tbname[1]}.{tbcol.Attribute.Name}")).Append(" IS ").Append(_commonUtils.FormatSql("{0}", tbcol.Comment).Replace("'", "''")).Append("';\r\n");
}
sb.Append("execute immediate 'INSERT INTO ").Append(tmptablename).Append(" (");
foreach (var tbcol in tb.Columns.Values)
sb.Append(_commonUtils.QuoteSqlName(tbcol.Attribute.Name)).Append(", ");