package db9_coprocessor

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Used in: Db9AggregatePlan

• DB9_AGGREGATE_MODE_UNSPECIFIED = 0

• DB9_AGGREGATE_MODE_PARTIAL_ONLY = 1

Used in: Db9DagRequest

• Db9AggregateMode mode = 1

• repeated Db9Expr group_keys = 2

• repeated Db9AggregateSpec aggregates = 3

Used in: Db9AggregatePlan

• string function_name = 1

• optional Db9Expr arg = 2

  Absent means the aggregate is invoked without an input expression (for example, COUNT(*)).

• repeated Db9Type partial_state_types = 3

  AVG and future collection aggregates need explicit partial-state layout.

Used in: Db9Expr

• optional Db9Expr left = 1

• Db9BinaryOp op = 2

• optional Db9Expr right = 3

Used in: Db9BinaryExpr

• DB9_BINARY_OP_UNSPECIFIED = 0

• DB9_BINARY_OP_EQ = 1

• DB9_BINARY_OP_NE = 2

• DB9_BINARY_OP_LT = 3

• DB9_BINARY_OP_LE = 4

• DB9_BINARY_OP_GT = 5

• DB9_BINARY_OP_GE = 6

• DB9_BINARY_OP_AND = 7

• DB9_BINARY_OP_OR = 8

Used in: Db9Expr

• optional Db9Expr expr = 1

• optional Db9Type target_type = 2

Used in: Db9TableInfo

• string name = 1

• optional Db9Type data_type = 2

• bool nullable = 3

Used in: Db9Expr

• uint32 column_index = 1

• string column_name = 2

Used in: Db9Expr

• optional Db9Value value = 1

• uint32 codec_version = 1

  DB9 local wire/codec contract version. Start from 1.

• uint64 db_id = 2

  Tenant / database identity for DB9 key prefixes (d_{db_id}_...).

• optional Db9TableInfo table = 3

  Minimal table metadata snapshot needed by the storage-side executor.

• optional Db9ScanSpec scan = 4

  Logical scan shape. Physical key spans still come from coprocessor.Request.ranges.

• optional Db9Expr selection = 5

  Storage-side filter. Absent means no pushed selection.

• repeated Db9NamedExpr projections = 6

  Storage-side projection list. Empty means identity/full-row output.

• optional Db9LimitSpec limit = 7

  Storage-side limit. Absent means no pushed limit.

• optional Db9AggregatePlan aggregate = 8

  Storage-side partial aggregate plan. Absent means no pushed aggregate work.

Used in: Db9SelectResponse

• uint64 scanned_keys = 1

• uint64 scanned_rows = 2

• uint64 decoded_rows = 3

• uint64 returned_rows = 4

Used in: Db9AggregatePlan, Db9AggregateSpec, Db9BinaryExpr, Db9CastExpr, Db9DagRequest, Db9FuncCallExpr, Db9IsNullExpr, Db9NamedExpr, Db9UnaryExpr

• optional Db9Type return_type = 1

• oneof expr

  • Db9ConstantExpr constant = 2

  • Db9ColumnRefExpr column_ref = 3

  • Db9BinaryExpr binary = 4

  • Db9UnaryExpr unary = 5

  • Db9CastExpr cast = 6

  • Db9FuncCallExpr func_call = 7

  • Db9IsNullExpr is_null = 8

Used in: Db9Expr

• string function_name = 1

• repeated Db9Expr args = 2

Used in: Db9TableInfo

• uint64 index_id = 1

• string index_name = 2

• repeated string columns = 3

• bool unique = 4

Used in: Db9Value

• int32 months = 1

• int64 millis = 2

Used in: Db9Expr

• optional Db9Expr expr = 1

• bool negated = 2

  false => IS NULL, true => IS NOT NULL

Used in: Db9DagRequest

• uint64 limit = 1

Used in: Db9DagRequest

• string output_name = 1

• optional Db9Expr expr = 2

Used in: Db9Value

(message has no fields)

Used in: Db9SelectResponse

• repeated Db9Value values = 1

Used in: Db9ScanSpec

• DB9_SCAN_KIND_UNSPECIFIED = 0

• DB9_SCAN_KIND_TABLE = 1

• DB9_SCAN_KIND_INDEX = 2

• DB9_SCAN_KIND_INDEX_RANGE = 3

• DB9_SCAN_KIND_INDEX_BOUNDED_RANGE = 4

• DB9_SCAN_KIND_IN_LIST = 5

Used in: Db9DagRequest

• Db9ScanKind kind = 1

• uint64 index_id = 2

• string index_name = 3

• bool desc = 4

• bool require_row_fetch = 5

  True for the MVP path: index scan yields PKs, then storage fetches base rows. Future covering-index optimization may set this to false.

• repeated Db9Row rows = 1

• optional Db9ExecStats stats = 2

• repeated string warnings = 3

Used in: Db9DagRequest

• string table_name = 1

• uint64 table_id = 2

• uint64 schema_version = 3

• repeated Db9ColumnInfo columns = 4

• repeated uint32 pk_indices = 5

• repeated Db9IndexInfo indexes = 6

Used in: Db9AggregateSpec, Db9CastExpr, Db9ColumnInfo, Db9Expr

• Db9TypeKind kind = 1

• optional Db9Type elem_type = 2

  ARRAY element type.

• uint64 varchar_len = 3

  VARCHAR(n).

• string user_defined_name = 4

  USER_DEFINED(name).

Used in: Db9Type

• DB9_TYPE_KIND_UNSPECIFIED = 0

• DB9_TYPE_KIND_BOOLEAN = 1

• DB9_TYPE_KIND_INT32 = 2

• DB9_TYPE_KIND_INT64 = 3

• DB9_TYPE_KIND_FLOAT64 = 4

• DB9_TYPE_KIND_TEXT = 5

• DB9_TYPE_KIND_BYTES = 6

• DB9_TYPE_KIND_TIMESTAMP = 7

• DB9_TYPE_KIND_INTERVAL = 8

• DB9_TYPE_KIND_UUID = 9

• DB9_TYPE_KIND_ARRAY = 10

• DB9_TYPE_KIND_JSON = 11

• DB9_TYPE_KIND_JSONB = 12

• DB9_TYPE_KIND_TIME = 13

• DB9_TYPE_KIND_DATE = 14

• DB9_TYPE_KIND_NUMERIC = 15

• DB9_TYPE_KIND_TIMESTAMPTZ = 16

• DB9_TYPE_KIND_TSVECTOR = 17

• DB9_TYPE_KIND_TSQUERY = 18

• DB9_TYPE_KIND_NAME = 19

• DB9_TYPE_KIND_VARCHAR = 20

• DB9_TYPE_KIND_USER_DEFINED = 21

Used in: Db9Expr

• Db9UnaryOp op = 1

• optional Db9Expr operand = 2

Used in: Db9UnaryExpr

• DB9_UNARY_OP_UNSPECIFIED = 0

• DB9_UNARY_OP_NOT = 1

• DB9_UNARY_OP_NEG = 2

• DB9_UNARY_OP_POS = 3

Used in: Db9ConstantExpr, Db9Row

• oneof kind

  • Db9Null null_value = 1

  • bool bool_value = 2

  • int32 int32_value = 3

  • int64 int64_value = 4

  • double float64_value = 5

  • string text_value = 6

  • bytes bytes_value = 7

  • int64 timestamp_value = 8

    Milliseconds since Unix epoch, interpreted as TIMESTAMP.

  • int64 timestamptz_value = 9

    Milliseconds since Unix epoch, interpreted as TIMESTAMPTZ.

  • Db9IntervalValue interval_value = 10