pub struct CdcUnwrapSpec {
pub op_field: String,
pub after_field: String,
pub before_field: String,
pub key_field: String,
pub marker_field: String,
pub delete_ops: Vec<String>,
pub drop_ops: Vec<String>,
}Available on crate feature
transform-cdc-unwrap only.Expand description
Spec for TransformStage::CdcUnwrap. Normalizes a CDC change-event
envelope ({op, before, after, …}) into a flat row plus a marker field,
so a downstream upsert sink never needs to understand CDC. A 1→0|1 stage:
DDL/truncate events (and non-delete events with no after image) are
dropped.
Fields§
§op_field: StringEnvelope field holding the operation. Default "op".
after_field: StringEnvelope field holding the post-image. Default "after".
before_field: StringEnvelope field holding the pre-image. Default "before".
key_field: StringOptional fallback for the delete key when before is null (Mongo
carries the key in document_key). Default "document_key".
marker_field: StringField stamped on every emitted row. Default "__op".
delete_ops: Vec<String>op values that mean delete. Default covers all three CDC vocabularies.
drop_ops: Vec<String>op values dropped entirely (1→0). Default ["ddl", "truncate"].
Trait Implementations§
Source§impl Clone for CdcUnwrapSpec
impl Clone for CdcUnwrapSpec
Source§fn clone(&self) -> CdcUnwrapSpec
fn clone(&self) -> CdcUnwrapSpec
Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from
source. Read moreSource§impl Debug for CdcUnwrapSpec
impl Debug for CdcUnwrapSpec
Source§impl Default for CdcUnwrapSpec
impl Default for CdcUnwrapSpec
Source§fn default() -> CdcUnwrapSpec
fn default() -> CdcUnwrapSpec
Returns the “default value” for a type. Read more
Source§impl<'de> Deserialize<'de> for CdcUnwrapSpec
impl<'de> Deserialize<'de> for CdcUnwrapSpec
Source§fn deserialize<__D>(
__deserializer: __D,
) -> Result<CdcUnwrapSpec, <__D as Deserializer<'de>>::Error>where
__D: Deserializer<'de>,
fn deserialize<__D>(
__deserializer: __D,
) -> Result<CdcUnwrapSpec, <__D as Deserializer<'de>>::Error>where
__D: Deserializer<'de>,
Deserialize this value from the given Serde deserializer. Read more
Source§impl JsonSchema for CdcUnwrapSpec
impl JsonSchema for CdcUnwrapSpec
Source§fn schema_id() -> Cow<'static, str>
fn schema_id() -> Cow<'static, str>
Returns a string that uniquely identifies the schema produced by this type. Read more
Source§fn json_schema(generator: &mut SchemaGenerator) -> Schema
fn json_schema(generator: &mut SchemaGenerator) -> Schema
Generates a JSON Schema for this type. Read more
Source§fn inline_schema() -> bool
fn inline_schema() -> bool
Whether JSON Schemas generated for this type should be included directly in parent schemas,
rather than being re-used where possible using the
$ref keyword. Read moreSource§impl PartialEq for CdcUnwrapSpec
impl PartialEq for CdcUnwrapSpec
Source§impl Serialize for CdcUnwrapSpec
impl Serialize for CdcUnwrapSpec
Source§fn serialize<__S>(
&self,
__serializer: __S,
) -> Result<<__S as Serializer>::Ok, <__S as Serializer>::Error>where
__S: Serializer,
fn serialize<__S>(
&self,
__serializer: __S,
) -> Result<<__S as Serializer>::Ok, <__S as Serializer>::Error>where
__S: Serializer,
Serialize this value into the given Serde serializer. Read more
impl StructuralPartialEq for CdcUnwrapSpec
Auto Trait Implementations§
impl Freeze for CdcUnwrapSpec
impl RefUnwindSafe for CdcUnwrapSpec
impl Send for CdcUnwrapSpec
impl Sync for CdcUnwrapSpec
impl Unpin for CdcUnwrapSpec
impl UnsafeUnpin for CdcUnwrapSpec
impl UnwindSafe for CdcUnwrapSpec
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