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Adding tables

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Sam Stevens
2019-12-08 11:24:29 +00:00
parent 5430222e26
commit 0ea1bb2e3d
10 changed files with 299 additions and 32 deletions
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30
src/SQL.c
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@@ -5,12 +5,15 @@
#include <malloc.h>
#include <stdio.h>
#include <string.h>
#include <assert.h>
#include "SQL.h"
#include "MurmurHash3.h"
#include "random.h"
Value *new_value() {
Value *value = malloc(sizeof(Value));
value->type = VALUE_NONE;
value->number = 0;
value->integer = 0;
value->string = NULL;
return value;
}
@@ -32,7 +35,7 @@ Comparison *new_comparison() {
void free_comparison(Comparison *comparison) {
if (comparison->value != NULL) {
free(comparison->value);
free_value(comparison->value);
}
if (comparison->identifier != NULL) {
free(comparison->identifier);
@@ -50,7 +53,7 @@ ComparisonGroup *new_comparision_group() {
void free_comparison_group(ComparisonGroup *group) {
if (group->length > 0) {
for (size_t i = 0; i < group->length; i++) {
free(group->comparisons[i]);
free_comparison(group->comparisons[i]);
}
free(group->comparisons);
group->length = 0;
@@ -131,6 +134,8 @@ void append_field_list(FieldList *list, char *field) {
ColumnSpec *new_column_spec() {
ColumnSpec *spec = malloc(sizeof(ColumnSpec));
spec->id = 0;
spec->rowOffset = 0;
spec->identifier = NULL;
spec->option = COLOPT_NONE;
spec->size = 0;
@@ -145,6 +150,17 @@ void free_column_spec(ColumnSpec *spec) {
free(spec);
}
size_t column_spec_data_size(ColumnSpec *spec) {
switch (spec->type) {
case COLTYPE_CHAR:
return (sizeof(char) * spec->size) + 1;
case COLTYPE_INT:
return sizeof(uint64_t);
default:
return 0;
}
}
ColumnSpecList *new_column_spec_list() {
ColumnSpecList *list = malloc(sizeof(ColumnSpecList));
list->length = 0;
@@ -427,8 +443,8 @@ void print_comparison_group(ComparisonGroup *group) {
void print_column_spec_list(ColumnSpecList *list) {
for (size_t i = 0; i < list->length; i++) {
ColumnSpec *spec = list->columns[i];
if (spec->type == COLTYPE_STRING) {
printf("%s STRING(%ld)", spec->identifier, spec->size);
if (spec->type == COLTYPE_CHAR) {
printf("%s CHAR(%ld)", spec->identifier, spec->size);
} else if (spec->type == COLTYPE_INT) {
printf("%s INTEGER", spec->identifier);
}
@@ -469,7 +485,7 @@ void print_value(Value *value) {
}
}
printf("'");
} else if (value->type == VALUE_NUMBER) {
printf("%ld", value->number);
} else if (value->type == VALUE_INTEGER) {
printf("%ld", value->integer);
}
}