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add support for LIMIT clause in SQL engine

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This commit is contained in:
Brian Bruns
2016-08-30 08:43:34 -04:00
parent 2355aec912
commit 23bab7c2d6
5 changed files with 37 additions and 11 deletions
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12
src/util/mdb-sql.c
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@@ -253,7 +253,6 @@ dump_results(FILE *out, MdbSQL *sql, char *delimiter)
{
unsigned int j;
MdbSQLColumn *sqlcol;
unsigned long row_count = 0;
if (headers) {
for (j=0;j<sql->num_columns-1;j++) {
@@ -266,8 +265,7 @@ dump_results(FILE *out, MdbSQL *sql, char *delimiter)
fprintf(out,"\n");
fflush(out);
}
while(mdb_fetch_row(sql->cur_table)) {
row_count++;
while(mdb_sql_fetch_row(sql, sql->cur_table)) {
for (j=0;j<sql->num_columns-1;j++) {
sqlcol = g_ptr_array_index(sql->columns,j);
fprintf(out, "%s%s", (char*)(sql->bound_values[j]),
@@ -279,7 +277,7 @@ dump_results(FILE *out, MdbSQL *sql, char *delimiter)
fflush(out);
}
if (footers) {
print_rows_retrieved(out, row_count);
print_rows_retrieved(out, sql->row_count);
}
}
@@ -288,7 +286,6 @@ dump_results_pp(FILE *out, MdbSQL *sql)
{
unsigned int j;
MdbSQLColumn *sqlcol;
unsigned long row_count = 0;
/* print header */
if (headers) {
@@ -316,8 +313,7 @@ dump_results_pp(FILE *out, MdbSQL *sql)
fflush(out);
/* print each row */
while(mdb_fetch_row(sql->cur_table)) {
row_count++;
while(mdb_sql_fetch_row(sql, sql->cur_table)) {
for (j=0;j<sql->num_columns;j++) {
sqlcol = g_ptr_array_index(sql->columns,j);
print_value(out, sql->bound_values[j],sqlcol->disp_size,!j);
@@ -334,7 +330,7 @@ dump_results_pp(FILE *out, MdbSQL *sql)
fprintf(out,"\n");
fflush(out);
if (footers) {
print_rows_retrieved(out, row_count);
print_rows_retrieved(out, sql->row_count);
}
}