def join(self, table1, table2, selection1, selection2, cond):
ctlg1 = catalogCore()
ctlg1.loadCatalog(table1)
ctlg2 = catalogCore()
ctlg2.loadCatalog(table2)
pgmg = pageManager()
io_s = general()
cond1pos = -1
cond2pos = -1
for x in range(len(ctlg1.catalog)):
if ctlg1.catalog[x][0] == cond:
cond1pos = x
for x in range(len(ctlg2.catalog)):
if ctlg2.catalog[x][0] == cond:
cond2pos = x
joinedVals = []
for x in selection1:
for y in selection2:
if x[1][cond1pos] == y[1][cond2pos]:
newv = []
newv.extend(x[1])
newv.extend(y[1])
joinedVals.append(newv)
print(newv)
return joinedVals
def join(self, table1, table2, selection1, selection2, cond):
ctlg1 = catalogCore()
ctlg1.loadCatalog(table1)
ctlg2 = catalogCore()
ctlg2.loadCatalog(table2)
pgmg = pageManager()
io_s = general()
cond1pos = -1
cond2pos = -1
for x in range(len(ctlg1.catalog)):
if ctlg1.catalog[x][0] == cond:
cond1pos = x
for x in range(len(ctlg2.catalog)):
if ctlg2.catalog[x][0] == cond:
cond2pos = x
joinedVals = []
for x in selection1:
for y in selection2:
if x[1][cond1pos] == y[1][cond2pos]:
newv = []
newv.extend(x[1])
newv.extend(y[1])
joinedVals.append(newv)
print(newv)
return joinedVals
def selection(self, table, values, function = None, newValues = None):
ctlg = catalogCore()
ctlg.loadCatalog(table)
pgmg = pageManager()
io_s = general()
print("Values not verified.")
vals = self.buildValues(ctlg)
newVals = None
if newValues is not None:
newVals = self.buildValues(ctlg)
for x in range(len(newValues)):
for y in range(len(ctlg.catalog)):
val1 = newValues[x][0]
val2 = ctlg.catalog[y][0]
if val1 == val2:
newVals[y] = newValues[x][1]
for x in range(len(values)):
for y in range(len(ctlg.catalog)):
print("VER: " + str(ctlg.catalog[y][0]))
val1 = str(values[x][0]).replace("'", "")
val2 = str(ctlg.catalog[y][0]).replace("'", "")
if values[x][1] == '=':
if val1 == val2:
vals[y] = values[x][2].replace("'", "")
else:
print ("NO OPERATOR #322")
print("VALS: " + str(vals))
x = pgmg.readValues(table, vals, function, newVals)
return x
print(len(x))
def selection(self, table, values, function=None, newValues=None):
ctlg = catalogCore()
ctlg.loadCatalog(table)
pgmg = pageManager()
io_s = general()
print("Values not verified.")
vals = self.buildValues(ctlg)
newVals = None
if newValues is not None:
newVals = self.buildValues(ctlg)
for x in range(len(newValues)):
for y in range(len(ctlg.catalog)):
val1 = newValues[x][0]
val2 = ctlg.catalog[y][0]
if val1 == val2:
newVals[y] = newValues[x][1]
for x in range(len(values)):
for y in range(len(ctlg.catalog)):
val1 = values[x][0]
val2 = ctlg.catalog[y][0]
if val1 == val2:
vals[y] = values[x][1]
x = pgmg.readValues(table, vals, function, newVals)
return x
print(len(x))
def selection(self, table, values, function = None, newValues = None):
ctlg = catalogCore()
ctlg.loadCatalog(table)
pgmg = pageManager()
io_s = general()
print("Values not verified.")
vals = self.buildValues(ctlg)
newVals = None
if newValues is not None:
newVals = self.buildValues(ctlg)
for x in range(len(newValues)):
for y in range(len(ctlg.catalog)):
val1 = newValues[x][0]
val2 = ctlg.catalog[y][0]
if val1 == val2:
newVals[y] = newValues[x][1]
for x in range(len(values)):
for y in range(len(ctlg.catalog)):
val1 = values[x][0]
val2 = ctlg.catalog[y][0]
if val1 == val2:
vals[y] = values[x][1]
x = pgmg.readValues(table, vals, function, newVals)
return x
print(len(x))
def selection(self, table, values):
ctlg = catalogCore()
ctlg.loadCatalog(table)
pgmg = pageManager()
io_s = general()
print("Values not verified.")
pgmg.readValues(table)
def main():
print ("dsad")
io = general()
#io.initPage(2)
io.write()
eval = evaluator()
eval.execute(
"""
create table table_name
(
column_name1 data_type(size),
column_name2 data_type(size),
column_name3 data_type(size),
);
"""
)
tblm = manager()
tblm.createTable("students2", [["id", "integer"], ["phone", "string"]])
ctlg2 = catalogCore()
ctlg2.loadCatalog("students2")
ctlg2.printCtlg()
ins = insert()
#ins.insertRecord("students2", ["26", "terce32441iro"])
#for x in range(25, 82):
# ins.insertRecord("students3", [str(x), "terce3PG32323o" + str(x)])
sel = select()
upd = update()
#sel.selection("students2", [])
upd.update("students2", [['phone', 'terceiro2221see']], [['phone', 'terceiro2221seesss']])
sel.selection("students2", [['phone', 'terce32441iro']])
print("321-----")
#sel.selection("students2", [])
#sel.selection("students3", [])
#sel.join("students2", "students3", sel.selection("students2", []), sel.selection("students3", []), "id")
main_pool.forceBuffer()
print(main_pool.pool)
from query.parser.sqlparse import parser
pt = parser()
#print(pt.parse("select * from x where x = 3 and y = 9"))
#eval.execQuery("insert into students2 values (\"83\", \"gravado\")")
print("select")
eval.execQuery("select * from students2 where phone = 'gravado'") #where phone = terce32441iro
def main():
print ("dsad")
io = general()
#io.initPage(2)
io.write()
eval = evaluator()
eval.execute(
"""
create table table_name
(
column_name1 data_type(size),
column_name2 data_type(size),
column_name3 data_type(size),
);
"""
)
tblm = manager()
tblm.createTable("students2", [["id", "integer"], ["phone", "string"]])
ctlg2 = catalogCore()
ctlg2.loadCatalog("students2")
ctlg2.printCtlg()
ins = insert()
#ins.insertRecord("students2", ["26", "terce32441iro"])
#for x in range(25, 82):
# ins.insertRecord("students3", [str(x), "terce3PG32323o" + str(x)])
sel = select()
upd = update()
#sel.selection("students2", [])
upd.update("students2", [['phone', 'terceiro2221see']], [['phone', 'terceiro2221seesss']])
sel.selection("students2", [['phone', 'terce32441iro']])
print("321-----")
#sel.selection("students2", [])
#sel.selection("students3", [])
#sel.join("students2", "students3", sel.selection("students2", []), sel.selection("students3", []), "id")
main_pool.forceBuffer()
print(main_pool.pool)
from query.parser.sqlparse import parser
pt = parser()
#print(pt.parse("select * from x where x = 3 and y = 9"))
#eval.execQuery("insert into students2 values (\"83\", \"gravado\")")
print("select")
eval.execQuery("select * from students2 where id = '26'") #where phone = terce32441iro
def insertRecord(self, table, values):
ctlg = catalogCore()
ctlg.loadCatalog(table)
io_s = general()
print("Values not verified.")
if len(ctlg.catalog) == len(values):
pgmg = pageManager()
pgmg.writeValue(table, values)
else:
print("Number of values does not match table columns")
def insertRecord(self, table, values):
ctlg = catalogCore()
ctlg.loadCatalog(table)
io_s = general()
print("Values not verified.")
if len(ctlg.catalog) == len(values):
pgmg = pageManager()
pgmg.writeValue(table, values)
else:
print("Number of values does not match table columns")
def execute(self, query):
if ("create table") in query:
createTbl = r"(?:\s*)create table(?:\s*)(.*?)(?:\s*)\((?:\s*)(.*?)\);"
groups = re.findall(createTbl, query, re.S)
print ("----->" + str(groups))
attribsre = r"((?:.*?) (?:.*?),(?:\s*))"
attribs = re.findall(attribsre, groups[0][1], re.S)
print ("----->" + str(attribs))
ctrl = catalogCore()
ctrl.newCatalog(groups[0][0])
for x in attribs:
attr = x.split(" ")
ctrl.insertAttr(attr[0], attr[1].replace(",", "").replace("\n", ""))
ctrl.commitCatalog()
def execute(self, query):
if ("create table") in query:
createTbl = r"(?:\s*)create table(?:\s*)(.*?)(?:\s*)\((?:\s*)(.*?)\);"
groups = re.findall(createTbl, query, re.S)
print("----->" + str(groups))
attribsre = r"((?:.*?) (?:.*?),(?:\s*))"
attribs = re.findall(attribsre, groups[0][1], re.S)
print("----->" + str(attribs))
ctrl = catalogCore()
ctrl.newCatalog(groups[0][0])
for x in attribs:
attr = x.split(" ")
ctrl.insertAttr(attr[0], attr[1].replace(",",
"").replace("\n", ""))
ctrl.commitCatalog()
io.write()
eval = evaluator()
eval.execute(
"""
create table table_name
(
column_name1 data_type(size),
column_name2 data_type(size),
column_name3 data_type(size),
);
"""
)
tblm = manager()
tblm.createTable("students2", [["id", "integer"], ["phone", "string"]])
ctlg2 = catalogCore()
ctlg2.loadCatalog("students2")
ctlg2.printCtlg()
from query.commands.insert import *
from query.commands.select import *
ins = insert()
#ins.insertRecord("students2", ["24", "terce321iro"])
sel = select()
sel.selection("students2", [])
def createTable(self, name, attrs):
ctlg = catalogCore()
ctlg.tableName = name
for x in attrs:
ctlg.insertAttr(x[0], x[1])
ctlg.commitCatalog()
io = general()
#io.initPage(2)
io.write()
eval = evaluator()
eval.execute("""
create table table_name
(
column_name1 data_type(size),
column_name2 data_type(size),
column_name3 data_type(size),
);
""")
tblm = manager()
tblm.createTable("students2", [["id", "integer"], ["phone", "string"]])
ctlg2 = catalogCore()
ctlg2.loadCatalog("students2")
ctlg2.printCtlg()
from query.commands.insert import *
from query.commands.select import *
ins = insert()
#ins.insertRecord("students2", ["24", "terce321iro"])
sel = select()
sel.selection("students2", [])
def createTable(self, name, attrs):
ctlg = catalogCore()
ctlg.tableName = name
for x in attrs:
ctlg.insertAttr(x[0], x[1])
ctlg.commitCatalog()