mirror of
https://gitee.com/dromara/mayfly-go
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0e6b9713ce
* feat: 表格+表格元数据缓存 * feat:跳板机支持多段跳 * fix: 所有数据库区分字段主键和自增 * feat: DBMS支持mssql * refactor: 去除无用的getter方法
210 lines
8.5 KiB
Transact-SQL
210 lines
8.5 KiB
Transact-SQL
--MSSQL_DBS 数据库名信息
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SELECT name AS dbname
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FROM sys.databases
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WHERE owner_sid = SUSER_SID()
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and name not in ('master', 'tempdb', 'model', 'msdb')
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---------------------------------------
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--MSSQL_TABLE_DETAIL 查询表名和表注释
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SELECT t.name AS tableName,
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ep.value AS tableComment
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FROM sys.tables t
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left OUTER JOIN sys.schemas ss on t.schema_id = ss.schema_id
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LEFT OUTER JOIN
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sys.extended_properties ep ON ep.major_id = t.object_id AND ep.minor_id = 0 AND ep.class = 1
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WHERE ss.name = ?
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and t.name = ?
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---------------------------------------
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--MSSQL_DB_SCHEMAS 数据库下所有schema
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SELECT a.SCHEMA_NAME
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FROM information_schema.schemata a
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where a.catalog_name = DB_NAME()
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and (a.SCHEMA_NAME in ('dbo', 'guest') or a.SCHEMA_NAME not like 'db_%')
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and a.SCHEMA_NAME not in ('sys', 'INFORMATION_SCHEMA')
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---------------------------------------
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--MSSQL_TABLE_INFO 表详细信息
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SELECT t.name AS tableName,
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ss.name AS tableSchema,
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c.value AS tableComment,
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p.rows AS tableRows,
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0 AS dataLength,
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0 AS indexLength,
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t.create_date AS createTime
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FROM sys.tables t
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left OUTER JOIN sys.schemas ss on t.schema_id = ss.schema_id
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left OUTER JOIN sys.partitions p ON t.object_id = p.object_id AND p.index_id = 1
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left OUTER JOIN sys.extended_properties c ON t.object_id = c.major_id AND c.minor_id = 0 AND c.class = 1
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where ss.name = ?
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ORDER BY t.name DESC;
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---------------------------------------
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--MSSQL_INDEX_INFO 索引信息
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SELECT ind.name AS indexName,
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col.name AS columnName,
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CASE
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WHEN ind.is_primary_key = 1 THEN 'CLUSTERED'
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ELSE 'NON-CLUSTERED'
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END AS indexType,
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IIF(ind.is_unique = 'true', 1, 0) AS isUnique,
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ic.key_ordinal AS seqInIndex,
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idx.value AS indexComment
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FROM sys.indexes ind
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LEFT JOIN sys.tables t on t.object_id = ind.object_id
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LEFT JOIN sys.schemas ss on t.schema_id = ss.schema_id
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LEFT JOIN
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sys.index_columns ic ON ind.object_id = ic.object_id AND ind.index_id = ic.index_id
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LEFT JOIN
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sys.columns col ON ind.object_id = col.object_id AND ic.column_id = col.column_id
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LEFT JOIN
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sys.extended_properties idx ON ind.object_id = idx.major_id AND ind.index_id = idx.minor_id AND idx.class = 7
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WHERE ss.name = ?
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and ind.name is not null
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and t.name = ?
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---------------------------------------
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--MSSQL_COLUMN_MA 列信息元数据
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SELECT t.name AS TABLE_NAME,
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c.name AS COLUMN_NAME,
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CASE
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WHEN c.is_nullable = 1 THEN 'YES'
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ELSE 'NO'
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END AS NULLABLE,
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tp.name +
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CASE
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WHEN tp.name IN ('char', 'varchar', 'nchar', 'nvarchar') THEN '(' + CASE
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WHEN c.max_length = -1 THEN 'max'
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ELSE CAST(c.max_length AS NVARCHAR(255)) END +
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')'
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WHEN tp.name IN ('numeric', 'decimal') THEN '(' + CAST(c.precision AS NVARCHAR(255)) + ',' +
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CAST(c.scale AS NVARCHAR(255)) + ')'
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ELSE ''
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END AS COLUMN_TYPE,
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ep.value AS COLUMN_COMMENT,
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COLUMN_DEFAULT = CASE
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WHEN c.default_object_id IS NOT NULL THEN object_definition(c.default_object_id)
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ELSE ''
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END,
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c.scale AS NUM_SCALE,
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IS_IDENTITY = COLUMNPROPERTY(c.object_id, c.name, 'IsIdentity'),
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IS_PRIMARY_KEY = CASE
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WHEN (SELECT COUNT(*)
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FROM sys.index_columns ic
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INNER JOIN sys.indexes i
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ON ic.index_id = i.index_id AND ic.object_id = i.object_id
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WHERE ic.object_id = c.object_id
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AND ic.column_id = c.column_id
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AND i.is_primary_key = 1) > 0 THEN 1
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ELSE 0
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END
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FROM sys.tables t
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INNER JOIN sys.schemas ss on t.schema_id = ss.schema_id
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INNER JOIN
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sys.columns c ON t.object_id = c.object_id
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INNER JOIN
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sys.types tp ON c.system_type_id = tp.system_type_id AND c.user_type_id = tp.user_type_id
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LEFT JOIN
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sys.extended_properties ep ON t.object_id = ep.major_id AND c.column_id = ep.minor_id AND ep.class = 1
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WHERE ss.name = ?
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and t.name in (%s)
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ORDER BY t.name, c.column_id
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---------------------------------------
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--MSSQL_TABLE_DDL 建表ddl
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declare
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@tabname varchar(50)
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set @tabname= ? --表名
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if ( object_id('tempdb.dbo.#t') is not null)
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begin
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DROP TABLE #t
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end
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select 'create table [' + so.name + '] (' + o.list + ')'
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+ CASE
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WHEN tc.Constraint_Name IS NULL THEN ''
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ELSE 'ALTER TABLE ' + so.Name + ' ADD CONSTRAINT ' + tc.Constraint_Name + ' PRIMARY KEY ' +
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' (' + LEFT(j.List, Len(j.List)-1) + ')' END
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TABLE_DDL
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into #t
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from sysobjects so
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cross apply
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(SELECT
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' \n ['+ column_name +'] ' +
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data_type + case data_type
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when 'sql_variant' then ''
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when 'text' then ''
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when 'ntext' then ''
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when 'xml' then ''
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when 'decimal' then '(' + cast (numeric_precision as varchar) + ', ' + cast (numeric_scale as varchar) + ')'
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else coalesce ('('+ case when character_maximum_length = -1 then 'MAX' else cast (character_maximum_length as varchar) end +')', '') end + ' ' +
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case when exists (
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select id from syscolumns
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where object_name(id)=so.name
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and name = column_name
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and columnproperty(id, name, 'IsIdentity') = 1
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) then
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'IDENTITY(' +
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cast (ident_seed(so.name) as varchar) + ',' +
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cast (ident_incr(so.name) as varchar) + ')'
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else ''
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end + ' ' +
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(case when IS_NULLABLE = 'No' then 'NOT ' else '' end ) + 'NULL ' +
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case when information_schema.columns.COLUMN_DEFAULT IS NOT NULL THEN 'DEFAULT '+ information_schema.columns.COLUMN_DEFAULT ELSE '' END + ', '
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from information_schema.columns where table_name = so.name
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order by ordinal_position
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FOR XML PATH ('')) o (list)
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left join
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information_schema.table_constraints tc
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on tc.Table_name = so.Name
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AND tc.Constraint_Type = 'PRIMARY KEY'
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cross apply
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(select '[' + Column_Name + '], '
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FROM information_schema.key_column_usage kcu
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WHERE kcu.Constraint_Name = tc.Constraint_Name
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ORDER BY
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ORDINAL_POSITION
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FOR XML PATH ('')) j (list)
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where xtype = 'U'
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AND name =@tabname
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select (
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case
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when (select count(a.constraint_type)
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from information_schema.table_constraints a
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inner join information_schema.constraint_column_usage b
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on a.constraint_name = b.constraint_name
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where a.constraint_type = 'PRIMARY KEY'--主键
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and a.table_name = @tabname) = 1 then replace(table_ddl
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, ', )ALTER TABLE'
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, ')' + CHAR (13)+'ALTER TABLE')
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else SUBSTRING(table_ddl
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, 1
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, len(table_ddl) - 3) + ')' end
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) as TableDDL
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from #t
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drop table #t
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---------------------------------------
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--MSSQL_TABLE_INDEX_DDL 建索引ddl
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DECLARE
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@TableName NVARCHAR(255)
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SET @TableName = ?;
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SELECT 'CREATE ' +
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CASE
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WHEN i.is_primary_key = 1 THEN 'CLUSTERED '
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WHEN i.type_desc = 'HEAP' THEN ''
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ELSE 'NONCLUSTERED '
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END +
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'INDEX ' + i.name + ' ON ' + t.name + ' (' +
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STUFF((SELECT ',' + c.name +
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CASE
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WHEN ic.is_descending_key = 1 THEN ' DESC'
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ELSE ' ASC'
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END
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FROM sys.index_columns ic
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INNER JOIN
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sys.columns c ON ic.object_id = c.object_id AND ic.column_id = c.column_id
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WHERE ic.object_id = i.object_id
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AND ic.index_id = i.index_id
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ORDER BY ic.key_ordinal
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FOR XML PATH (''), TYPE).value('.', 'NVARCHAR(MAX)'), 1, 1, '') + ');' AS IndexDDL
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FROM sys.tables t
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INNER JOIN
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sys.indexes i ON t.object_id = i.object_id
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WHERE t.name = @TableName;
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