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Fix mssql issue with duplicate columns. #1225

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Fix mssql issue with duplicate columns. #1225

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db0e2ef
Fix mssql issue with duplicate columns.
Neopallium Feb 12, 2019
22568ea
Merge branch 'master' into master
Neopallium Mar 6, 2019
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11 changes: 6 additions & 5 deletions dialect_mssql.go
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Original file line number Diff line number Diff line change
Expand Up @@ -340,14 +340,15 @@ func (db *mssql) GetColumns(tableName string) ([]string, map[string]*core.Column
args := []interface{}{}
s := `select a.name as name, b.name as ctype,a.max_length,a.precision,a.scale,a.is_nullable as nullable,
replace(replace(isnull(c.text,''),'(',''),')','') as vdefault,
ISNULL(i.is_primary_key, 0)
ISNULL(p.is_primary_key, 0)
from sys.columns a
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 OUTER JOIN
sys.index_columns ic ON ic.object_id = a.object_id AND ic.column_id = a.column_id
LEFT OUTER JOIN
sys.indexes i ON ic.object_id = i.object_id AND ic.index_id = i.index_id
LEFT OUTER JOIN (SELECT i.object_id, ic.column_id, i.is_primary_key
FROM sys.indexes i
LEFT JOIN sys.index_columns ic ON ic.object_id = i.object_id AND ic.index_id = i.index_id
WHERE i.is_primary_key = 1
) as p on p.object_id = a.object_id AND p.column_id = a.column_id
where a.object_id=object_id('` + tableName + `')`
db.LogSQL(s, args)

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