July 2005
Intermediate to advanced
1032 pages
27h 10m
English
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Client 4—An Interactive Query Processor
To wrap up this chapter, you'll convert the interactive query processor from the previous chapter into a libpgeasy client.
Most of the code remains the same, so I'll point out only the differences. The most important change is that you no longer have to pass the PGconn * (connection handle) to every function-libpgeasy is managing the connection handle for you.
1 /* 2 ** File: client4.c 3 */ 4 5 #include <stdlib.h> 6 #include <string.h> 7 #include <libpq-fe.h> 8 #include <libpgeasy.h> 9 #include <readline/readline.h> 10 #include <readline/history.h> 11 12 typedef enum { FALSE, TRUE } bool; 13 14 #define MAX_PRINT_LEN 40 15 16 static char separator[MAX_PRINT_LEN+1]; 17 18 void print_result_set( PGresult ...Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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