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set length to 0 to get non-bindable column for strings #5

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set length to 0 to get non-bindable column for strings #5

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4 changes: 2 additions & 2 deletions README.md
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Expand Up @@ -5,11 +5,11 @@ credits go to the author(s) of this package_

## The reason for the fork

We have troubles with the Spark `string` type and the `alexbrainman/odbc` package. We have created
We have troubles with the Spark / Hive `string` type and the `alexbrainman/odbc` package. We have created
an [issue](https://github.com/alexbrainman/odbc/issues/165) in the original repository explaining
our issues in detail.

In this fork, we modify some of the column binding operations to work more nicely with Spark.
In this fork, we modify some of the column binding operations to work more nicely with Spark / Hive.

We also implement the [`driver.QueryerContext`](https://pkg.go.dev/database/sql/driver#QueryerContext)
which honours the context passed in, and returns when the context times out or gets cancelled.
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5 changes: 4 additions & 1 deletion column.go
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Expand Up @@ -99,8 +99,11 @@ func NewColumn(h api.SQLHSTMT, idx int) (Column, error) {
case api.SQL_VARCHAR:
// hack: set length to 0 to get non-bindable column for strings
return NewVariableWidthColumn(b, api.SQL_C_CHAR, 0)
case api.SQL_WCHAR, api.SQL_WVARCHAR:
case api.SQL_WCHAR:
return NewVariableWidthColumn(b, api.SQL_C_WCHAR, size)
case api.SQL_WVARCHAR:
// hack: set length to 0 to get non-bindable column for strings
return NewVariableWidthColumn(b, api.SQL_C_WCHAR, 0)
case api.SQL_BINARY, api.SQL_VARBINARY:
return NewVariableWidthColumn(b, api.SQL_C_BINARY, size)
case api.SQL_LONGVARCHAR:
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