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Support column comment for mssql

This commit is contained in:
LiQiming 2020-09-10 19:15:19 +08:00
parent 0c1b815227
commit 435f4d5815
1 changed files with 6 additions and 3 deletions
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9
dialects/mssql.go
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@ -390,10 +390,12 @@ func (db *mssql) GetColumns(queryer core.Queryer, ctx context.Context, tableName
s := `select a.name as name, b.name as ctype,a.max_length,a.precision,a.scale,a.is_nullable as nullable, s := `select a.name as name, b.name as ctype,a.max_length,a.precision,a.scale,a.is_nullable as nullable,
"default_is_null" = (CASE WHEN c.text is null THEN 1 ELSE 0 END), "default_is_null" = (CASE WHEN c.text is null THEN 1 ELSE 0 END),
replace(replace(isnull(c.text,''),'(',''),')','') as vdefault, replace(replace(isnull(c.text,''),'(',''),')','') as vdefault,
ISNULL(p.is_primary_key, 0), a.is_identity as is_identity ISNULL(p.is_primary_key, 0), a.is_identity as is_identity,
ISNULL(g.[value], ' ') AS comment
from sys.columns a from sys.columns a
left join sys.types b on a.user_type_id=b.user_type_id left join sys.types b on a.user_type_id=b.user_type_id
left join sys.syscomments c on a.default_object_id=c.id left join sys.syscomments c on a.default_object_id=c.id
LEFT join sys.extended_properties g on a.object_id=g.major_id AND a.column_id=g.minor_id
LEFT OUTER JOIN (SELECT i.object_id, ic.column_id, i.is_primary_key LEFT OUTER JOIN (SELECT i.object_id, ic.column_id, i.is_primary_key
FROM sys.indexes i FROM sys.indexes i
LEFT JOIN sys.index_columns ic ON ic.object_id = i.object_id AND ic.index_id = i.index_id LEFT JOIN sys.index_columns ic ON ic.object_id = i.object_id AND ic.index_id = i.index_id
@ -410,10 +412,10 @@ func (db *mssql) GetColumns(queryer core.Queryer, ctx context.Context, tableName
cols := make(map[string]*schemas.Column) cols := make(map[string]*schemas.Column)
colSeq := make([]string, 0) colSeq := make([]string, 0)
for rows.Next() { for rows.Next() {
var name, ctype, vdefault string var name, ctype, vdefault, comment string
var maxLen, precision, scale int var maxLen, precision, scale int
var nullable, isPK, defaultIsNull, isIncrement bool var nullable, isPK, defaultIsNull, isIncrement bool
err = rows.Scan(&name, &ctype, &maxLen, &precision, &scale, &nullable, &defaultIsNull, &vdefault, &isPK, &isIncrement) err = rows.Scan(&name, &ctype, &maxLen, &precision, &scale, &nullable, &defaultIsNull, &vdefault, &isPK, &isIncrement, &comment)
if err != nil { if err != nil {
return nil, nil, err return nil, nil, err
} }
@ -428,6 +430,7 @@ func (db *mssql) GetColumns(queryer core.Queryer, ctx context.Context, tableName
} }
col.IsPrimaryKey = isPK col.IsPrimaryKey = isPK
col.IsAutoIncrement = isIncrement col.IsAutoIncrement = isIncrement
col.Comment = comment
ct := strings.ToUpper(ctype) ct := strings.ToUpper(ctype)
if ct == "DECIMAL" { if ct == "DECIMAL" {
col.Length = precision col.Length = precision