gravitino.api.rel.table_change.First¶

final class gravitino.api.rel.table_change.First¶

Bases: ColumnPosition

Column position FIRST.

It means the specified column should be the first column. Note that, the specified column may be a nested field, and then FIRST means this field should be the first one within the struct.

__init__() → None¶

Methods

`__init__`()
`after`(column)	Returns the position after the given column.
`default_pos`()	Returns the default position of ColumnPosition instance.
`first`()	The first position of ColumnPosition instance.

static after(column: str) → After¶

Returns the position after the given column.

Args:

column:: The name of the reference column to place the new column after.

Returns:

After:: The position after the given column.

static default_pos() → Default¶

Returns the default position of ColumnPosition instance.

Returns:

Default:: The default position of ColumnPosition instance.

static first() → First¶

The first position of ColumnPosition instance.

Returns:

First:: The first position of ColumnPosition instance.