~drizzle-trunk/drizzle/development

1712.1.1 by Monty Taylor
Merged libdrizzle directly into tree.
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/*
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 * Drizzle Client & Protocol Library
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 *
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 * Copyright (C) 2008 Eric Day (eday@oddments.org)
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 * All rights reserved.
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 *
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 * Use and distribution licensed under the BSD license.  See
1799.2.3 by Monty Taylor
Reference root BSD copying file.
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 * the COPYING.BSD file in the root source directory for full text.
1712.1.1 by Monty Taylor
Merged libdrizzle directly into tree.
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 */
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/**
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 * @file
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 * @brief Row Declarations for Clients
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 */
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#ifndef __DRIZZLE_ROW_CLIENT_H
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#define __DRIZZLE_ROW_CLIENT_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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 * @addtogroup drizzle_row_client Row Declarations for Clients
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 * @ingroup drizzle_client_interface
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 *
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 * These functions allow you to access rows in a result set. If the result is
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 * unbuffered, you can read and buffer rows one at a time. If the rows are
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 * buffered in the result, the drizzle_row_next() and related functions can be
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 * used.
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 * @{
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 */
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/**
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 * Get next row number for unbuffered results. Use the drizzle_field* functions
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 * to read individual fields after this function succeeds.
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 */
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DRIZZLE_API
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uint64_t drizzle_row_read(drizzle_result_st *result, drizzle_return_t *ret_ptr);
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/**
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 * Read and buffer one row. The returned row must be freed by the caller with
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 * drizzle_row_free().
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 *
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 * @param[in,out] result pointer to the result structure to read from.
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 * @param[out] ret_pointer Standard drizzle return value.
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 * @return the row that was read, or NULL if there are no more rows.
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 */
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DRIZZLE_API
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drizzle_row_t drizzle_row_buffer(drizzle_result_st *result,
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                                 drizzle_return_t *ret_ptr);
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/**
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 * Free a row that was buffered with drizzle_row_buffer().
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 */
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DRIZZLE_API
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void drizzle_row_free(drizzle_result_st *result, drizzle_row_t row);
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/**
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 * Get an array of all field sizes for buffered rows.
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 */
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DRIZZLE_API
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size_t *drizzle_row_field_sizes(drizzle_result_st *result);
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/**
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 * Get next buffered row from a fully buffered result.
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 */
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DRIZZLE_API
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drizzle_row_t drizzle_row_next(drizzle_result_st *result);
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/**
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 * Get previous buffered row from a fully buffered result.
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 */
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DRIZZLE_API
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drizzle_row_t drizzle_row_prev(drizzle_result_st *result);
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/**
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 * Seek to the given buffered row in a fully buffered result.
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 */
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DRIZZLE_API
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void drizzle_row_seek(drizzle_result_st *result, uint64_t row);
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/**
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 * Get the given buffered row from a fully buffered result.
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 */
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DRIZZLE_API
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drizzle_row_t drizzle_row_index(drizzle_result_st *result, uint64_t row);
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/**
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 * Get current row number.
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 */
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DRIZZLE_API
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uint64_t drizzle_row_current(drizzle_result_st *result);
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/** @} */
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#ifdef __cplusplus
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}
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#endif
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#endif /* __DRIZZLE_ROW_CLIENT_H */