histogram

package
v0.3.3 Latest Latest
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 Go to latest Published: Jan 8, 2024 License: Apache-2.0 Imports: 12 Imported by: 0

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Constants

View Source 
const (
	// TimePartitioning represents date-based partitioning.
	TimePartitioning = "date"

	// RangePartitioning represents range-based partitioning.
	RangePartitioning = "range"
)

Variables

This section is empty.

Functions

This section is empty.

Types

type QueryConfig added in v0.3.0 

type QueryConfig struct {
	// Query is the SQL Query to run.
	Query string

	// DateField is the field to use to determine which rows must be deleted
	// on a table update. It can be the same as partitionField, or different.
	DateField string

	// PartitionField is the field to use for date or range partitioning.
	PartitionField string

	// PartitionType is the type of partitioning to use (date or range).
	PartitionType string
}

type Table 

type Table struct {
	bqiface.Table
	// contains filtered or unexported fields
}

Table represents a bigquery table containing histogram data. It embeds bigquery.Table and extends it with an UpdateHistogram method.

func NewTable 

func NewTable(name string, ds string, config QueryConfig,
	client bqiface.Client) *Table

NewTable returns a new Table with the specified destination table, query and BQ client.

func (*Table) UpdateHistogram 

func (t *Table) UpdateHistogram(ctx context.Context, start, end time.Time) error

UpdateHistogram generates the histogram data for the specified time range. If any data for this time range exists already, it's overwritten.

Source Files

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