Documentation
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Overview ¶
Package schemamode defines the schema storage mode for datastore operations. It is a leaf package so that configuration packages can name the mode without depending on pkg/datalayer itself.
Index ¶
Constants ¶
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Variables ¶
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Functions ¶
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Types ¶
type SchemaMode ¶
type SchemaMode uint8
SchemaMode represents the experimental schema mode for datastore operations. It controls how schema is read from and written to the datastore, allowing a gradual migration from legacy per-definition storage to unified schema storage.
const ( // SchemaModeReadLegacyWriteLegacy uses legacy schema reader and writer. // This is the default and backward-compatible mode. SchemaModeReadLegacyWriteLegacy SchemaMode = iota // SchemaModeReadLegacyWriteBoth uses legacy schema reader and writes to both // legacy and unified schema storage. Use this as the first migration step. SchemaModeReadLegacyWriteBoth // SchemaModeReadNewWriteBoth uses unified schema reader and writes to both // legacy and unified schema storage. Use this as the second migration step. SchemaModeReadNewWriteBoth // SchemaModeReadNewWriteNew uses unified schema reader and writer only. // This is the final migration target. SchemaModeReadNewWriteNew )
func ParseSchemaMode ¶
func ParseSchemaMode(s string) (SchemaMode, error)
ParseSchemaMode converts a string to a SchemaMode. Returns an error if the string is invalid.
func (SchemaMode) ReadsFromNew ¶
func (s SchemaMode) ReadsFromNew() bool
ReadsFromNew returns true if the mode reads from the unified schema storage.
func (SchemaMode) String ¶
func (s SchemaMode) String() string
String returns the string representation of the SchemaMode.
func (SchemaMode) WritesToLegacy ¶
func (s SchemaMode) WritesToLegacy() bool
WritesToLegacy returns true if the mode writes to legacy schema storage.
func (SchemaMode) WritesToNew ¶
func (s SchemaMode) WritesToNew() bool
WritesToNew returns true if the mode writes to unified schema storage.
Source Files