test_capi_appender

[ludnic]

• [x] duckdb_append_blob
• [x] duckdb_append_bool
• [x] duckdb_append_double
• [x] duckdb_append_float
• [x] duckdb_append_int16
• [x] duckdb_append_int32
• [x] duckdb_append_int64
• [x] duckdb_append_int8
• [x] duckdb_append_interval
• [x] duckdb_append_null
• [x] duckdb_append_timestamp
• [x] duckdb_append_uint16
• [x] duckdb_append_uint32
• [x] duckdb_append_uint64
• [x] duckdb_append_uint8
• [x] duckdb_append_varchar
• [x] duckdb_append_varchar_length
• [x] duckdb_appender_begin_row
• [x] duckdb_appender_close
• [x] duckdb_appender_create
• [x] duckdb_appender_destroy
• [x] duckdb_appender_end_row
• [x] duckdb_appender_error
• [x] duckdb_appender_flush
• [x] duckdb_double_to_hugeint
• [x] duckdb_free
• [x] duckdb_hugeint_to_double
• [x] duckdb_to_date
• [x] duckdb_to_time
• [x] duckdb_to_timestamp
• [x] duckdb_value_blob
• [x] duckdb_value_int32