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/*
Message format for tables.
*/
package drizzled.message;
option optimize_for = SPEED;
option java_package = "org.drizzle.messages";
option java_outer_classname = "TableMessage";
import "engine.proto";
import "access.proto";
import "replication_options.proto";
message Table {
enum TableType {
STANDARD = 0;
TEMPORARY = 1;
INTERNAL = 2;
FUNCTION = 3;
}
message TableOptions {
optional bool has_user_set_auto_increment_value = 1;
optional string collation = 2;
optional uint32 collation_id = 3;
optional string data_file_name = 5;
optional string index_file_name = 6;
optional uint64 max_rows = 7;
optional uint64 min_rows = 8;
optional uint64 auto_increment_value = 9;
optional uint32 avg_row_length = 11;
optional uint32 block_size = 13;
optional string comment = 14;
optional bool pack_record = 16;
optional bool checksum = 17;
optional bool page_checksum = 18;
optional bool delay_key_write = 19;
optional bool unused = 20;
}
message ForeignKeyConstraint {
optional string name = 1;
repeated string column_names = 2;
required string references_table_name = 3;
repeated string references_columns = 4;
enum ForeignKeyMatchOption {
MATCH_UNDEFINED = 0;
MATCH_FULL = 1;
MATCH_PARTIAL = 2;
MATCH_SIMPLE = 3;
}
required ForeignKeyMatchOption match = 5;
enum ForeignKeyOption {
OPTION_UNDEF = 0;
OPTION_RESTRICT = 1;
OPTION_CASCADE = 2;
OPTION_SET_NULL = 3;
OPTION_NO_ACTION = 4;
OPTION_SET_DEFAULT = 5;
}
required ForeignKeyOption update_option = 6 [ default = OPTION_UNDEF ];
required ForeignKeyOption delete_option = 7 [ default = OPTION_UNDEF ];
}
message Field {
enum FieldType {
DOUBLE = 0;
VARCHAR = 1;
BLOB = 2;
ENUM = 3;
INTEGER = 4;
BIGINT = 5;
DECIMAL = 6;
DATE = 7;
EPOCH = 9;
DATETIME = 10;
UUID = 11;
TIME = 12;
BOOLEAN = 13;
IPV6 = 14;
}
message FieldOptions {
optional string default_value = 1;
optional string update_value = 2;
optional bool default_null = 3 [default = false];
optional bytes default_bin_value = 4;
optional string default_expression = 5;
optional string update_expression = 6;
}
message FieldConstraints {
optional bool is_nullable = 1 [default = true]; // Dead option, do not use
optional bool is_unsigned = 2 [default = false];
optional bool is_notnull = 3 [default = false];
optional bool is_unique = 4 [default = false];
repeated string expression = 16; /* Reserve 0-15 for frequenty accessed attributes */
}
message NumericFieldOptions {
optional bool is_autoincrement = 1 [default = false];
optional uint32 scale = 2;
optional uint32 precision = 3;
}
message StringFieldOptions {
optional bool is_fixed_width = 1 [default = false];
optional uint32 length = 2;
optional uint32 collation_id = 3;
optional string collation = 4;
}
message EnumerationValues {
optional uint32 collation_id = 2;
optional string collation = 3;
repeated string field_value = 4;
}
/*
Do we store microseconds or timezone.
*/
message TimeFieldOptions {
optional bool microseconds = 1;
}
required string name = 1;
required FieldType type = 2;
optional FieldOptions options = 4;
optional FieldConstraints constraints = 5;
optional NumericFieldOptions numeric_options = 6;
optional StringFieldOptions string_options = 7;
optional TimeFieldOptions time_options = 8;
optional string comment = 16; /* Reserve 0-15 for frequently accessed attributes */
optional EnumerationValues enumeration_values = 17;
}
message Index {
enum IndexType {
/* Kept in sync with enum ha_key_alg if only for stewart sanity. */
UNKNOWN_INDEX = 0;
BTREE = 1;
RTREE = 2;
HASH = 3;
FULLTEXT = 4;
}
message IndexPart {
required uint32 fieldnr = 1;
optional uint32 compare_length = 2;
optional bool in_reverse_order = 3 [default = false];
}
message Options {
optional bool pack_key = 1;
optional bool binary_pack_key = 2;
optional bool var_length_key = 3;
optional bool null_part_key = 4;
optional uint32 key_block_size = 5;
optional bool has_partial_segments =6;
optional bool auto_generated_key = 7;
}
required string name = 1;
required bool is_primary = 2;
required bool is_unique = 3;
required IndexType type = 4 [default = UNKNOWN_INDEX];
required uint32 key_length = 5;
repeated IndexPart index_part = 6;
optional Options options= 7;
optional string comment = 8;
}
required string name = 1;
required string schema = 6;
required TableType type = 5;
required Engine engine = 2;
repeated Field field = 3;
repeated Index indexes = 4;
repeated ForeignKeyConstraint fk_constraint = 8;
optional TableOptions options = 9;
required uint64 creation_timestamp= 11 [default = 0];
required uint64 update_timestamp= 12 [default = 0];
optional string catalog = 13;
optional string uuid = 14;
/*
A version value of 0, means that it was never set.
*/
optional uint64 version = 15;
optional ReplicationOptions replication_options= 16;
optional Access access= 17;
}
message AddedFields {
repeated Table.Field added_field = 1;
}
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