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sqlite.c
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sqlite.c
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//
// Created by Colin Peppler on 1/5/20.
//
#include "sqlite.h"
int main(int argc, char *argv[]) {
if (argc < NUM_ARGS) {
printf("Must supple a database filename,\n");
exit(EXIT_FAILURE);
}
char *filename = argv[1];
Table *table = db_open(filename);
InputBuffer *input_buffer = create_input_buffer();
while (1) {
print_prompt();
read_input(input_buffer);
if (input_buffer->buffer[0] == '.') {
switch (execute_meta_command(input_buffer, table)) {
case (META_COMMAND_SUCCESS):
continue;
case (META_COMMAND_UNRECOGNIZED_COMMAND):
printf("Unrecognized command '%s'\n", input_buffer->buffer);
continue;
}
}
Statement statement;
switch (prepare_statement(input_buffer, &statement)) {
case (PREPARED_STATEMENT_SUCCESS):
break;
case (PREPARED_STATEMENT_NEGATIVE_ID):
printf("ID must be positive.\n");
continue;
case (PREPARED_STATEMENT_STRING_TOO_LONG):
printf("String is too long.\n");
continue;
case (PREPARED_STATEMENT_SYNTAX_ERROR):
printf("Syntax error. Could not parse statement. (%s)\n", input_buffer->buffer);
continue;
case (PREPARED_STATEMENT_UNRECOGNIZED_STATEMENT):
printf("Unrecognized keyword at start of '%s'.\n", input_buffer->buffer);
continue;
}
switch (execute_statement(&statement, table)) {
case (EXECUTE_SUCCESS):
printf("Executed.\n");
break;
case (EXECUTE_DUPLICATE_KEY):
printf("Error: Duplicate key.\n");
break;
case (EXECUTE_TABLE_FULL):
printf("Error: Table full.\n");
break;
}
}
}