lo_read

Function

Read data from a large object.

Prototype

int lo_read(PGconn* conn, int fd, char* buf, size_t len);

Parameter

Table 1 lo_read parameters

Keyword	Parameter Description
conn	A database connection
fd	File descriptor
buf	Read len bytes from the large object descriptor to buf
len	The length of data to be read

Return Value

int The number of bytes actually read is returned; this will be less than len if the end of the large object is reached first. In the event of an error, the return value is -1.

Example

For details, see Example.

lo_read ​

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