Table

baja.coll. Table

new Table()

Description:

  • Represents a baja:ITable in BajaScript.

    Tables are usually returned as the result of resolving an ORD (i.e. a BQL query).

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Members

(static) DEFAULT :baja.coll.Table

Description:

  • Default Table instance.

Source:

Default Table instance.

Type:

Methods

cursor(obj) → {Promise}

Description:

  • Iterate through a Table.

    Please note, this may retrieve data asynchronously.

    A callback function is passed in to retrieve the Cursor.

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Example
myTable.cursor({
    each: function () {
      // Called for each item in the Cursor...
      var dataFromCursor = this.get();
    }
  })
    .then(function (cursor) {
      // Called once we have the Cursor
    })
    .catch(function (err) {
      // Called if any errors in getting data
    });
Parameters:
Name Type Description
obj Object | function

the object literal that specifies the
method's arguments.

Properties
Name Type Attributes Default Description
ok function <optional>

(Deprecated: use Promise) called when the
cursor has been created with the cursor as an argument.
fail function <optional>

(Deprecated: use Promise) called if the
cursor fails to be retrieved. An error is passed in as the first
argument.
batch baja.comm.Batch <optional>

if specified, the operation will be
batched into this object.
before function <optional>

called just before the Cursor is about to
be iterated through.
after function <optional>

called just after the Cursor has finished
iterating.
offset Number <optional>
 0

Specifies the row number to start encoding
the result-set from.
limit Number <optional>
 10

Specifies the maximum number of rows that
can be encoded.
Returns:

a promise that will be resolved once the cursor has
been retrieved.

Type
Promise

getCol(column) → {module:baja/coll/Table.TableColumn}

Description:

  • Returns a column object for the given column name.

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Parameters:
Name Type Description
column String | Number

the column name or index.
Returns:

the table column or null
if the column can't be found.

Type
module:baja/coll/Table.TableColumn

getColumns() → {Array.<module:baja/coll/Table.TableColumn>}

Description:

  • Returns an array of Table Columns.

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Returns:

an array of columns

Type
Array.<module:baja/coll/Table.TableColumn>

hasConfig() → {Boolean}

Description:

  • Return true if the table has a configuration component.

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Returns:

true if a config component is available.

Type
Boolean

toConfig(objopt) → {Promise.<baja.Component>}

Description:

  • Returns a promise that's used to access a Component that contains all the
    table's configuration data. In the case of a History, the Component will
    be a 'history:HistoryConfig' Component. For other types of query, this
    may change in the future.

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Parameters:
Name Type Attributes Description
obj Object <optional>

optional object literal parameters.

Properties
Name Type Attributes Description
ok function <optional>

(Deprecated: use Promise) the ok callback.
This function is called once the parameters have been resolved.
fail function <optional>

(Deprecated: use Promise) the fail callback.
This function is called once the parameters have failed to resolve.
Returns:

promise that resolves to a config
Component.

Type
Promise.<baja.Component>

toString(cxopt) → {Promise.<String>|String}

Description:

  • Resolves to the string value of the given table's actual TypeSpec from the
    table's config if context is provided.

    If no context provided, this will return the string value of the type
    registered on this table class. This will be a box:BoxTable type.

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Parameters:
Name Type Attributes Description
cx Object <optional>
Returns:
Type
Promise.<String> | String