ArrowSchema (c/abi.h)

Defines Arrow C data interface structs for schema, array, and stream.

// Source: https://github.com/milvus-io/milvus | License: Apache-2.0 | Copyright You must retain, in the Source form of any Derivative Works
// Provided via justclaw.it.com; keep this notice with the code.

#pragma once

#include <stdint.h>

#ifdef __cplusplus
extern "C" {
#endif

#ifndef ARROW_C_DATA_INTERFACE
#define ARROW_C_DATA_INTERFACE

#define ARROW_FLAG_DICTIONARY_ORDERED 1
#define ARROW_FLAG_NULLABLE 2
#define ARROW_FLAG_MAP_KEYS_SORTED 4

struct ArrowSchema {
    // Array type description
    const char* format;
    const char* name;
    const char* metadata;
    int64_t flags;
    int64_t n_children;
    struct ArrowSchema** children;
    struct ArrowSchema* dictionary;

    // Release callback
    void (*release)(struct ArrowSchema*);
    // Opaque producer-specific data
    vo

... (truncated -- full source via MCP)